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Published: 10 December 2022
Last updated: 28 January 2023

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1

Gallagher, Daniel. "ULTRA-WIDEBAND ORTHOGONAL FREQUENCY CODED SAW CORRELATORS." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3950.

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Ultra–wideband (UWB) communication new technology with ability to share the FCC allocated frequency spectrum, large channel capacity and data rate, simple transceiver architecture and high performance in noisy environments. Such communication advantages have paved the way for emerging wireless technologies such as wireless high definition video streaming, wireless sensor networks and more. This thesis examines orthogonal frequency coded surface acoustic wave (SAW) correlators for use in advanced UWB communication systems. Orthogonal frequency coding (OFC) and pseudo-noise (PN) coding provides a means for UWB spreading of data. The use of OFC spectrally spreads a PN sequence beyond that of CDMA because of the increased bandwidth; allowing for improved correlation gain. The transceiver approach is still very similar to that of the CDMA approach but provides greater code diversity. Use of SAW correlators eliminates many of the costly components that are needed in the IF block in the transmitter and receiver, and reduces much of the signal processing requirements. The OFC SAW correlator device consists of a dispersive OFC transducer and a wideband output transducer. The dispersive filter was designed using seven contiguous chip frequencies within the transducer. Each chip is weighted in the transducer to account for the varying conductance of the chips and to compensate for the output transducer apodization. Experimental correlator results of an OFC SAW correlation filter are presented. The dispersive filter is designed using seven contiguous chip frequencies within the transducer. SAW correlators with fractional bandwidth of approximately 29% were fabricated on lithium niobate (LiNbO3) having a center frequency of 250 MHz and the filter has a processing gain of 49. A coupling of modes (COM) model is used to predict the experimental SAW filter response. Discussion of the filter design, analysis and measurements are presented. Results are shown for operation in a matched filter correlator for use in an UWB communication system and compared to predictions.
M.S.E.E.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Electrical Engineering MSEE
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2

Chinoy, Hector. "A correlation of genotype and phenotype in myositis." Thesis, University of Manchester, 2007. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:141949.

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Aims: To elucidate the aetiopathological mechanisms underlying the IIMs, through a combination of genotyping, serotyping and clinical phenotyping in a large cohort of Caucasian idiopathic inflammatory myopathy (IIM) patients. Methods: A cross-sectional study of prevalent IIM cases, ascertained through the Adult Onset Myositis Immunogenetic Collaboration, was performed. Cases were confirmed as possessing myositis according to Bohan and Peter (Bohan and Peter 1975a; Bohan and Peter 1975b). IIM clinical subtypes studied included polymyositis (PM), dermatomyositis (DM) and myositis associated with other connective tissue disease (myositis/CTD-overlap). Genotyping of major histocompatibility complex genes, including HLA-B, -DR, -DQ, tumour necrosis factor alpha (TNF-α), was performed using commercial kits. Serotyping of a comprehensive range of myositis specific/associated antibodies (MSA/MAAs) was undertaken. Results: Clinical subsets are described within the serological groupings, suggesting that the classification of the IIMs appears to be better served by the serotype than by the clinical subgrouping of disease. The IIMs possess HLA class I and II haplotype associations and genetic differences observed between PM and DM are accounted for by serological differences. The TNF-308A association is not independent of HLA class I, due to the strong LD within the MHC, but does form part of a haplotype with these factors. An absence of routinely tested for MSA/MAAs makes cancer associated myositis (CAM) more likely, especially in the DM subgroup. An antibody against a 155 and 140kDa doublet is associated with the development of CAM. Outcome measures in the IIMs show construct validity. HLA-DRB1*07 appears to predict a milder clinical phenotype with less disability. No convincing gene-environmental interaction was found capable of altering disease susceptibility or clinical phenotype. Conclusions: Myositis disease subtypes therefore appear to be defined by specific haplotypes acting as risk factors for the development of various MSAs and MAAs.
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3

Auch, Patricia Marie. "Physiological correlates in happy and sad emotional states." Scholarly Commons, 1995. https://scholarlycommons.pacific.edu/uop_etds/2759.

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The physiological differences in happy and sad emotional reactions were measured by taking blood pressure, EMG, heart-rate, and skin-temperature while each emotion was evoked in participants. The study used films shown to participants to provoke happy and sad responses. Self-evaluation questionnaires were used to determine how aware the participants were of their physiological changes in both emotional conditions. Results indicated a decrease in systolic blood pressure, heart rate, and EMG responses, but, an increase in skin temperature while participants watched the sad film manipulation. Physiological readings taken during the happy film sequence contradicted the hypotheses of this study. Participants blood pressure, heart rate, and skin temperature readings were lower in the happy condition than in the sad. Electromyography during the happy film manipulation was the only measure to increase as predicted. Attention was paid to the differences in men and women in their physiological responses.
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4

Fenner, Sherrie. "A study of the correlation between Pennsylvania system of school assessment and scholastic aptitude test scores in mathematics." Instructions for remote access. Click here to access this electronic resource. Access available to Kutztown University faculty, staff, and students only, 2001. http://www.kutztown.edu/library/services/remote_access.asp.

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Thesis (M. Ed.)--Kutztown University of Pennsylvania, 2001.
Source: Masters Abstracts International, Volume: 45-06, page: 2797. Typescript. Abstract precedes thesis as preliminary leaves. Includes bibliographical references (leaves 41-43).
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5

Martinez, Suzanna Marie. "Individual, social and environmental correlates of physical activity among Latinos in San Diego County." Diss., [La Jolla] : [San Diego] : University of California, San Diego, ; San Diego State University, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3372449.

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Thesis (Ph. D.)--University of California, San Diego and San Diego State University, 2009.
Title from first page of PDF file (viewed October 20, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 110-126).
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6

Pontes, Mariana Chiste. "Correlato hormonal do comportamento reprodutivo de machos de sag?i comum (Callithrix jacchus) em ambiente natural." Universidade Federal do Rio Grande do Norte, 2006. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17367.

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Made available in DSpace on 2014-12-17T15:37:20Z (GMT). No. of bitstreams: 1 MarianaCP.pdf: 340646 bytes, checksum: 7b38e8b3f11facf027891302ba389354 (MD5) Previous issue date: 2006-10-23
Contrary to what is recorded for Callithrix jacchus females, the social interactions and hormonal profiles of males are less studied, and mainly in wild groups. The goal of this study was to investigate the behavioral and endocrine profiles of reproductive (RMs) and non-reproductive (NRs) common marmoset adult free-ranging males living in two natural groups (GC1 and GR2). The groups inhabited the area of the Escola Agr?cola de Jundia?/UFRN, located in Maca?ba, Brazil. Fecal collection for cortisol and androgen measurement and behavioral monitoring was carried out during the active phase from April to September, 2005. For behavioral data collection the focal instantaneous method was used every 5 min, for a total of 11.563 records. Statistical analysis was performed using non parametric tests and p < 0.05. Besides showing diurnal variation, the frequency of affiliative behaviors was significantly higher for RMs toward reproductive females than for NRs. Affiliative interactions of RMs with both reproductive females and NRs were similar, probably related to pair bond formation and helper recruitment, respectively. Parental care was also similar for both RMs and NRs. Both androgen and cortisol levels increased after the birth of the infants, mainly in RMs. The longitudinal profile of androgens fluctuates more in response to agonistic encounters and sexual behavior than that of cortisol. The mean basal excretion of both hormones was significantly higher in RMs and seems to reflect their higher participation in territorial vigilance and mate guarding behaviors. Significant positive correlations were found between agonism and cortisol and androgen hormones. These results describe, for the first time, the behavioral and hormonal profiles of common marmosets living in free-ranging groups and suggest that reproductive males are more responsive both behaviorally and hormonally to social group dynamics
Ao contr?rio do que ocorre para as f?meas da esp?cie Callithrix jacchus, as intera??es sociais e perfis hormonais de machos s?o pouco estudados, principalmente em grupos naturais. O objetivo desse estudo foi estabelecer os perfis comportamental e end?crino de machos adultos reprodutores (MRs) e n?o reprodutores (MnRs) vivendo em ambiente natural em dois grupos silvestres (GC1 e GR2). Os grupos habitavam a ?rea da Escola Agr?cola de Jundia?/UFRN, localizada no munic?pio de Maca?ba. A coleta de fezes para dosagem de cortisol e andr?genos e o monitoramento comportamental foram feitas uma vez por semana durante a fase de atividade no per?odo de abril a setembro de 2005. A coleta de dados comportamentais foi feita usando o m?todo focal instant?neo a cada 5 minutos para cada animal, em um total de observa??o de 11.563 registros. Para a an?lise estat?stica, foram utilizados testes n?o param?tricos e p < 0,05. Al?m de apresentarem varia??o diurna significativa, a freq??ncia de comportamentos afiliativos foi maior entre os pares reprodutores, comparado aos registros entre os MnRs e as f?meas reprodutoras. As intera??es afiliativas dos MRs com as f?meas reprodutoras foram semelhantes a freq??ncia de intera??es entre os focais (MRs e MnRs), possivelmente em fun??o da liga??o do par e recrutamento de ajudantes, respectivamente. O comportamento de cuidado com o infante tamb?m foi semelhante entre os MRs e MnRs e os n?veis de cortisol e andr?genos se elevaram ap?s o nascimento dos filhotes, principalmente nos MRs. O perfil longitudinal dos andr?genos flutuou mais em resposta aos encontros agonistas e contextos de c?pulas do que o cortisol. A excre??o basal m?dia de cortisol e andr?genos foi significativamente maior nos MRs e parecem refletir o maior envolvimento destes em contextos de territorialidade, vigil?ncia e guarda da parceira no grupo social. Correla??es positivas significativas foram detectadas entre a freq??ncia de comportamentos agon?sticos e os horm?nios cortisol e andr?genos. Estes resultados descrevem pela primeira vez o perfil comportamental associado ao perfil hormonal de machos de C. jacchus vivendo em grupos silvestres e sugerem que o macho reprodutor ? mais responsivo tanto comportamental como hormonalmente a din?mica do grupo social
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7

Mendonça, Luís Felipe Ferreira de. "Estimativa das variações sazonais no fluxo da Geleira Grey, Patagônia, por imagens SAR." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2013. http://hdl.handle.net/10183/78960.

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Este trabalho estima a velocidade de fluxo da geleira Grey, localizada no Campo de Gelo Patagônico Sul, nos meses de outubro de 2011 e janeiro a abril de 2012. Os valores de velocidade foram obtidos por um algoritmo, baseado no cálculo de correlação cruzada, entre pares de imagens SAR COSMO-SkyMed e, posteriormente interpolados, para a geração de uma superfície contínua, que ilustre os valores de direção e intensidade de fluxo para toda a geleira. Os resultados foram comparados com dados meteorológicos, disponibilizados pelo Serviço Meteorológico Argentino, para interpretar o padrão sazonal na velocidade de deslocamento. Os meses de Outubro e abril registraram valores médios de velocidade de fluxo de 1,2 ± 0,6 md-1 e 1,1 ± 0,7 md-1, respectivamente. Durante o período de verão, os meses de janeiro, fevereiro e março apresentaram valores de velocidade de fluxo de 1,5 ± 0,6 md-1; 1,3 ± 0,7 md-1 e 1,4 ± 0,5 md-1 variando, diretamente, com a temperatura média mensal. Os valores mensais de fluxo da geleira Grey apresentaram uma correlação linear de 0,96 com a temperatura do ar, medida por uma estação meteorológica automática, localizada a cerca de 80 km da geleira. Os resultados indicam que os valores mensais do fluxo da geleira Grey possuem uma relação positiva com a variação sazonal da temperatura.
This study aims to estimate the flow velocities of Grey Glacier, located in Southern Patagonian Ice Field, between October 2011 and May 2012. The velocity vectors of Grey Glacier were obtained by means of an algorithm based on cross-correlation between pairs of COSMO-SkyMed images and subsequently interpolated, for generate a continuous surface that illustrates the values of intensity and direction of glacier flow. The results were compared with meteorological data, provided by the Meteorological Service of Argentina, to interpret the seasonal pattern in velocity. October-April registered values of flow velocity of 1,2 ± 0,6 md-1 and 1,1 ± 0,7 md-1; respectively. During the summer, the months of January, February and March had values of flow velocity of 1,5 ± 0,6 md-1; 1,3 ± 0,7 md-1 and 1,4 ± 0,5 md-1 varying directly with the monthly average temperature. The monthly values flow of Glacier Grey presented a linear correlation of 0.96 with the air temperature measured by an automatic weather station, located about 80 km from the glacier. The results indicate that the monthly values of the Grey glacier flow are positively related to seasonal variation in temperature.
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8

Bračevac, Oliver [Verfasser], Mira [Akademischer Betreuer] Mezini, and Sam [Akademischer Betreuer] Lindley. "Event Correlation with Algebraic Effects - Theory, Design and Implementation / Oliver Bračevac ; Mira Mezini, Sam Lindley." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2019. http://d-nb.info/1202976905/34.

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9

Hai, Phi Hong. "Genetic improvement of plantation-grown Acacia auriculiformis for sawn timber production." Uppsala : Dept. of Plant Biology and Forest Genetics, Swedish University of Agricultural Sciences, 2009. http://epsilon.slu.se/200956.pdf.

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10

Emanuelsson, Patrik. "Study of a new method to measure the stresses in rock by image technology : Use of sawn slots and DIgital Image Correlation." Thesis, Luleå tekniska universitet, Geoteknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-68646.

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In rock constructions and mining it is important to know the current stress situation in the rock due to safety and construction reasons. Two of the widely used stress measurement methods are overcoring and hydraulic fracturing. Both methods are expensive, need new boreholes, and are complex and time consuming. The methods are also limited by the number of successfully achieved measurements series. An alternative method is therefore investigated by locally relieving stresses around the borehole wall using sawn slots. To determine the stresses in the rock, strain measurements will be done using optics and image processing of images taken before and after cutting of the slots. The images will be processed by a technique called Digital Image Correlation (DIC), a method where the pixels are fitted between the images by the greyscale. The thesis is roughly divided into three parts. The first part explains the basics of rock stresses and current stress measurement methods. The second part is a literature study of the theory behind optics and DIC. There is also a study about if it is possible to use optics from a smartphone and how it differs from a reference commonly used camera in DIC application. Last part consists of numerical calculations in 2D to investigate if there is a possibility to relieve the stress around the borehole walls by cutting slots. With the optics from a smartphone the borehole wall can be in focus on just a few millimeters distance. DIC is a well-developed method which has a good precision when being conducted right and with a good image quality. The combination of using a smartphone and DIC is, however, not fully investigated yet. Only one comparable study was found. It used a Sony tablet and measured the deformations instead of strains. However, that study showed that the measurement error was around 1% compared to the reference camera. When translating deformations into strains, it is most likely that the error will increase, because the error will also be affected from the difference in deformation before and after cutting the slots. The numerical part showed that it’s possible to relieve the stress at parts of the borehole walls for the investigated conditions. To fully relieve the stresses around the borehole wall, it is necessary to have two slots with a short c-c distance and relatively deep slots. In this case a c-c distance of 15 mm and slot depth of at least 25 mm are recommended.
Vid projekt inom berganläggningar och gruvor är det viktigt att känna till de rådande spänningar i berget i ett säkerhets- och konstruktionsperspektiv. I Sverige används framförallt två undersökningsmetoder - överborrning eller hydraulisk spräckning. Två metoder som dock är dyra och relativt få mätserier kan genomföras. En alternativ metod har därför undersökts där borrhålsväggen lokalt avlastas genom sågade slitsar. Töjningsmätning sker genom att fotografera borrhålsväggen innan och efter sågning av slitsarna. Därefter sker bildbehandling via Digital Image Correlation (DIC). En metod som jämför en pixels placerings förändring genom att matcha pixeln via gråskalan. Examensarbetet kan man säga är grovt indelat i tre delar. Den första delen innefattar teorin som handlar om bergspänningar samt nuvarande mätmetoder för att mäta bergsspänningar. Andra delen är en litteraturstudie som behandlar den bakomliggande teorin för optik och bildbehandling med DIC samt en kort undersökning om det är möjligt att använda den optiska tekniken som finns i en smartphone. Sista delen utgörs av numeriska modelleringar i 2D för att verifiera om det går att fullständigt avlasta ett borrhål genom sågade slitsar. Med optik som finns i en smartphone kan bergväggen vara i fokus på bara ett par millimeters avstånd. DIC i sig är en teknik som är så pass utvecklad att precisionen i mätningarna är väldigt god. Förutsatt att bildbehandling görs korrekt och bildkvalitén är god. Kombinationen med optik liknande den från smartphone och bildbehandling med DIC är dock inte fullständigt undersökt. Enbart en jämförbar studie har hittats där deformationsmätningar har gjort med hjälp av en Surfplatta från Sony. Denna undersökning visade att mätfelet mot en referenskamera är cirka 1%. Dock förstärks mätfelet vid töjningsmätningar. Förstärkningen beror dock även av deformationsskillnaden mellan innan och efter avlastning. Den numeriska delen har visat att det går att lokalt avlasta bergväggen fullständigt för det undersökta spänningsförhållandet. Dock krävs det att två slitsar sitter på ett litet c-c avstånd samt är relativt djupa. Två undersökta slitsuppsättningar har visat på fullständigt avlastning, samt ytterligare ett fall som skulle kunna vara användbart.
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11

Reid, Zachary A. "Leveraging 3D Models for SAR-based Navigation in GPS-denied Environments." Wright State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=wright1540419210051179.

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12

Nodelman-Niedringhaus, Marjorie. "Correlation study of methamphetamine abuse and resultant levels of child neglect." CSUSB ScholarWorks, 1996. https://scholarworks.lib.csusb.edu/etd-project/1238.

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This positivist research project will attempt to show a correlation between levels of child neglect and proportionate levels of methamphetamine abuse. The term abuse will be used to refer to the chronic, compulsive use of methamphetamine in such a manner, that it will assume a central and negative role in the individual's life style and will result in impaired functioning and parenting.
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13

Edblom, Sara. "A Comparison of Two Immunoturbidimetric Assay Methods for Serum Amyloid A in Cats." Thesis, Uppsala universitet, Institutionen för medicinsk biokemi och mikrobiologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-154803.

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The analysis of acute phase protein serum amyloid A (SAA) has recently been brought into clinical use in veterinary medicine. Some of the difficulties with incorporating the SAA method in clinical practice have been the expensive and rather large equipment required for the method. Due to these difficulties only larger clinics can afford to use the SAA analysis. The company Equinostic has recently developed a smaller instrument that costs one-tenth of a larger instrument. The instrument is named EVA1 and has so far only been used to analyze SAA in horses. The aim of this study was to investigate if the EVA1 instrument could be used to analyze SAA in cats. This study included 24 serum samples from cat, which were first analyzed twice on the EVA1 instrument and then sent to the Strömsholm Referral Animal Hospital in Sweden where they reanalyzed the samples using a validated reference method. Both instruments are based on an immunoturbidimetric assay. The correlation between the two instruments was good (r=0.97) but the EVA1 instrument showed constantly lower results than the reference method. The difference between the duplicates when analyzed on the EVA1 instrument was larger than expected. The conclusion is that EVA1 could be used to analyze SAA in cats. However, before it could be used clinically in veterinary practice an extended study is recommended.
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14

Ledolter, Johannes. "Multi-Unit Longitudinal Models with Random Coefficients and Patterned Correlation Structure: Modelling Issues." Department of Statistics and Mathematics, WU Vienna University of Economics and Business, 1999. http://epub.wu.ac.at/432/1/document.pdf.

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The class of models which is studied in this paper, multi-unit longitudinal models, combines both the cross-sectional and the longitudinal aspects of observations. Many empirical investigations involve the analysis of data structures that are both cross-sectional (observations are taken on several units at a specific time period or at a specific location) and longitudinal (observations on the same unit are taken over time or space). Multi-unit longitudinal data structures arise in economics and business where panels of subjects are studied over time, biostatistics where groups of patients on different treatments are observed over time, and in situations where data are taken over time and space. Modelling issues in multi-unit longitudinal models with random coefficients and patterned correlation structure are illustrated in the context of two data sets. The first data set deals with short time series data on annual death rates and alcohol consumption for twenty-five European countries. The second data set deals with glaceologic time series data on snow temperature at 14 different locations within a small glacier in the Austrian Alps. A practical model building approach, consisting of model specification, estimation, and diagnostic checking, is outlined. (author's abstract)
Series: Forschungsberichte / Institut für Statistik
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15

Jones, Lloyd Gregory, and Cynthia Ann Plampin. "Correlation of stress and predisposition in onset of illness in Masters of Social Work students." CSUSB ScholarWorks, 2002. https://scholarworks.lib.csusb.edu/etd-project/2093.

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This study addressed the specific problem of whether there is a significant correlation between stress and the onset of predisposed disease. Because most graduate programs are stressful and it is known that several social work graduate students in one cohort at CSUSB were diagnosed with diabetes as well as migraines and depression, the population for this study was Master's of Social Work (MSW) students at California State University, San Bernardino, (CSUSB).
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Mageed, Mahmoud. "MORPHOMETRIC ANALYSIS OF THE SHEEP THORACOLUMBAR SPINE USING COMPUTED TOMOGRAPHY AND A COMPARISON WITH THE HUMAN CORRELATE." Doctoral thesis, Universitätsbibliothek Leipzig, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-155677.

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Sheep are commonly used as animal model for in vivo testing of new spinal implants as well as surgical procedures. Therefore, extensive knowledge of the precise morphometry and biomechanics features of sheep spine is crucial for experimental design and interpretation of results obtained in these trials. Little is known about the sheep spine. Therefore, the current study, which comprises of two parts, aimed to gain more knowledge concerning the morphometry of sheep thoracolumbar spine. The first part aimed to document the morphometry of the sheep thoracolumbar vertebrae and to assess the feasibility of using sheep lumbar vertebrae as a model for human spine researches based on morphometric comparison. For this reason, computed tomographic (CT) scanning was carried out in five clinically healthy female Merino sheep (2 years, 62 ± 5.3 kg) under general anaesthesia. CT images were reformatted with 1-mm slice thickness from T2 through L6. The CT images were reformatted in transverse and sagittal planes using multiplaner reconstruction algorithm. Subsequently, CT images were transferred to a workstation and reviewed with dedicated software for measuring the dimensions of the vertebral bodies, spinal canal, intervertebral disc, and pedicles. Based on the generated morphometric data of the sheep lumbar vertebrae, four spinal indices and Pavlov’s ratio were calculated as well as the volume of the vertebral bodies. The spinal indices were concavity index, endplate index, spinal canal index and pedicle index. For measuring vertebral body volume, the transverse CT data were reformatted in 5-mm slice thickness and imported in dedicated software. Thereafter, the four spinal indices and the volume were compared to human published data. The parameter was defined comparable if the ratio sheep/human of each individual vertebra showed variation less than 20%. The second part of the current work aimed to provide quantitative morphometric data of the thoracolumbar dural sac and describe the anatomical relationship between the dural sac and its surrounding osseous structures of the spine. To achieve these aims, computed assisted myelography was carried out in five adult female blackhead sheep (2.0 ± 0.4 years, 80.6 ± 28.7 kg) under general anaesthesia. Transverse images were acquired with 2-mm slice thickness from T1 to L6. Sagittal and transverse diameters and cross-sectional area of the dural sac and the spinal canal were measured on CT images. To determine the anatomical relationship between the dural sac and osseous structures of spinal canal, the pedicle-dural sac distance and available space for dural sac were calculated. The morphometric data showed that the sheep thoracolumbar vertebral bodies and the spinal canal were wider than they were deep, most obviously in the lumbar vertebrae. The intervertebral discs were as much as 57.4% thicker in the lumbar than in the thoracic spine. The pedicles were higher and longer than they were wide over the entire thoracolumbar spine. Compared to humans, sheep lumbar vertebral body volumes were 48.6% smaller. The comparison of absolute values between both species revealed that sheep had smaller, longer and narrower vertebral bodies, thinner intervertebral discs, narrower spinal canal and narrower, higher pedicles. The comparison of the spinal indices showed a good comparability to human in terms of the vertebral endplate and spinal canal. The results of the second parts showed that the dural sac area covered 45.9% and 49.0% of the thoracic and lumbar vertebral canal area, respectively, and it is significantly (positive) correlated with the transverse diameter as well as area of the vertebral canal. The pedicledural sac distance in the lumbar vertebrae was up to 15.8% larger than in the thoracic ones. The clinical relevance of the current study, the sheep lumbar spine has good comparability to that of humans in terms of the vertebral endplate regions and spinal canal, suggesting that a sheep spinal model would be appropriate for studying artificial intervertebral discs, implantation of intervertebral fusion, etc. With regard to sheep pedicles, can be used as a model for spinal implant conditioned by adaptation of implant size to sheep pedicel dimensions. The lumbar vertebral canal shows more space for the dural sac, which seems to be safer for testing fixation spinal implants
Schafe werden häufig als Tiermodell für In-vivo-Versuche verwendet, um neue Wirbelsäulenimplantate sowie chirurgische Prozeduren zu testen. Daher ist die umfassende Kenntnis der präzisen Morphometrie und der biomechanischen Merkmale der Schafwirbelsäule entscheidend für das experimentelle Design und die Interpretation der Ergebnisse in den Studien. Es sind wenige Daten über die Schafwirbelsäule bekannt. Auf Grund dessen zielt die aktuelle Studie darauf ab, mehr Wissen über die Morphometrie der thorakolumbalen Wirbelsäule von Schafen zu gewinnen. Der erste Teil dieser Studie soll die Morphometrie der Brust- und Lendenwirbelsäule dokumentieren. Das Ziel besteht darin, die Verwendung von Schaflendenwirbeln als Modell für die menschliche Wirbelsäule im morphometrischen Vergleich beurteilen zu können. Aus diesem Grund wurden Computertomographische Untersuchungen (CT) von fünf klinisch gesunden weiblichen Merino-Schafen (2 Jahre, 62 kg ± 5,3 kg) unter Allgemeinanästhesie durchgeführt. Die CT-Bilder wurden mit einer Schichtdicken von 1 mm aus T2 bis L6 gewonnen. Anschließend wurden die CT-Bilder in der transversalen und sagittalen Ebene multiplanar reformatiert. Danach wurden Messungen und Bewertungen mit einer geeigneten Software an den Wirbelkörpern, Wirbelkanälen, Bandscheiben und Pedikeln durchgeführt. Basierend auf den erzeugten morphometrischen Daten der Schaflendenwirbel wurden vier Wirbelsäulen-Indizes und Pavlov’s-ratio sowie das Volumen der Wirbelkörper berechnet. Die Wirbelsäulen-Indizes stellten den Konkavitäts-, Endplatten-, Spinalkanal- und Pedikel-Index dar. Für die Messung des Volumens von Wirbelkörpern wurden die transversalen CT-Daten in 5 mm Schichtdicke formatiert und in geeignete Software eingefügt. Danach wurden die vier Indizes-Wirbelsäulen und das Volumen der Lendenwirbelkörper mit den veröffentlichten Daten von menschlichen Wirbeln verglichen. Sie wurden als „vergleichbar“ definiert, wenn das Verhältnis Schaf-Mensch jedes einzelnen Wirbels Variationen von weniger als 20 % aufwies. Der zweite Teil der vorliegenden Arbeit hat zum Ziel, quantitative morphometrische Daten des thorakolumbalen Duralsacks zu ermitteln. Weiterhin sollen die anatomischen Beziehungen zwischen dem Duralsack und seinen umliegenden knöchernen Strukturen der Wirbelsäule beschrieben werden. Dazu wurden CT-Myelographien an fünf erwachsenen weiblichen Schwarzkopfschafen (2 Jahre ± 0,4 Jahre, 80,6 kg ± 28,7 kg) unter Allgemeinanästhesie durchgeführt. Transversale CT-Bilder wurden mit 2 mm Schichtdicke von T1 bis L6 gemessen. Sagittal- und Transversal-Durchmesser sowie die Querschnittsfläche von Duralsack und Wirbelkanal wurden auf CT-Bildern gemessen. Um die anatomische Beziehung zwischen dem Duralsack und den knöchernen Strukturen des Wirbelkanals zu ermitteln, wurden der Pedikel-Duralsack-Abstand und das Platzangebot für den Duralsack berechnet. Die Wirbelkörper und der Wirbelkanal der ovinen thorakolumbalen Wirbelsäule sind breiter als tief, vor allem im Bereich der Lendenwirbel. Die Bandscheiben sind in der Lendenwirbelsäule 57,4 % dicker als in der Brustwirbelsäule. Die Pedikel der Brust- und Lendenwirbelsäule waren höher und länger als breit. Im Vergleich zum Menschen ist das Volumen von Schaflendenwirbelkörpern 48,6 % kleiner. Der Vergleich der absoluten Werte zwischen den beiden Spezies ergab, dass Schafe kleinere, längere und schmalere Wirbelkörper, dünnere Bandscheiben, einen schmaleren Spinalkanal und schmalere, höhere Pedikel besitzen. Der Vergleich der Wirbelsäulen-Indizes zeigte eine gute Vergleichbarkeit mit menschlichen Wirbelendplatten und Wirbelkanälen. Im zweiten Teil der Studie konnte festgestellt werden, dass die Duralsackfläche 45,9 % des Brustwirbelkanals und 49,0 % des Lendenwirbelkanals einnimmt. Die Duralsackfläche korreliert deutlich positiv mit dem Querdurchmesser und der Fläche des Wirbelkanals. Der Pedikel-Duralsack-Abstand in der Lendenwirbelsäule war bis zu 15,8 % größer als in der Brustwirbelsäule
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17

Amarin, Nancy Lillian, and Norina Reis. "A correlation analysis of parental expectations, mentoring, and gender socialization on women's self-efficacy." CSUSB ScholarWorks, 2003. https://scholarworks.lib.csusb.edu/etd-project/2389.

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This study investigated social influences believed to have an impact on the development of women's self-efficacy. The independent variables examined included parental expectations, gender role socialization, and mentoring. A questionnaire with both ordinal and nominal questions was administered to 196 female undergraduates attending California State University, San Bernardino and California State Polytechnic University, Pomona. The sample was predominantly Caucasian (35,2 percent) and Hispanic (33.7 percent), with a median age of 20. Participants answered 57 questions, consisting of demographic questions, measures of self-efficacy and three independent variables. Pearson r analysis found positive significant correlations between self-efficacy and all three variables. The implications for social work and recommendations for social work policy, practice, and research are discussed.
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18

Semmler, Ulrich, Vladimir Vasilyev, and Ralf Neumann. "Berührungslose Drahtvorschubgeschwindigkeitsmessung und Einsatz einer robusten digitalen Regelung beim Schweißen mit abschmelzender Endloselektrode." Universitätsbibliothek Chemnitz, 2007. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200700234.

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Im Bericht werden die Ergebnisse des DFG-Forschungsprojektes unter den DFG-Geschäftszeichen MA1391/17-3 und NE615/1-1 ergänzend zum Abschlussbericht des Projektes ausführlich dargestellt. Inhalt der Forschung war die Weiterentwicklung eines optischen Messverfahrens zur Bestimmung der Drahtvorschubgeschwindigkeit beim MSG-Schweißen mit Integration eines PI-Reglers zur Steuerung der Drahtvorschubeinrichtung. Die in dem Vorgängerprojekt (DFG-Gz. MA1391/17-1) entwickelten schnellen Wavelet-Algorithmen, die eine Auswertung der Videoaufzeichnung in Echtzeit erlauben, wurden weiterentwickelt. Es erfolgte eine große Zahl von Versuchen mit Drähten aus vier Werkstoffgruppen (Aluminium, Kupfer, Stahl und Nickel), unterschiedlichen Geschwindigkeiten und Formen der Störung des Drahtlaufes. Simuliert wurden weiterhin unterschiedlichen Formen der Verschmutzungen des Videosignals. Die Einsatzfähigkeit und Robustheit des Mess- und Regelalgorithmus unter diesen industrienahen Bedingungen konnte nachgewiesen werden
In this report the results of the DFG project MA1391/17-3 and NE615/1-1 are summarized and explained in details. The research topic is the further development of an optical method of measuring the speed of welding wire feed for MIG welding. A common PI-Controller was used for regulating the wire feed speed. The fast wavelet algorithms developed in the preceding DFG-Project MA1391/17-1, which allow the analysis of the video camera signal in the real time, have been perfected. The report includes the description and summary of a lot of practical tests with different wire materials (aluminium, steel, cupper and nickel), different feed speeds and different kinds of free wire run perturbations. Several filters simulating the lens pollutions have been tested. The applicability and robustness of measuring and controlling under near to industry conditions have been proved
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19

Ware, Jennifer Y. "An investigation of the correlation between total SAT test scores and baccalaureate grade point averages of students for the 1995-1997 academic years." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 1998. http://digitalcommons.auctr.edu/dissertations/896.

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The purpose of this study was to examine the correlation between three groups of students' total SAT Test scores and their baccalaureate grade-point averages. The population consisted of baccalaureate African-American students for the academic years of 1995-1998. Their chronological ages ranged from 18-22. A fairly representative sample was drawn from each ofthese classes. The sizes ofthe sample were 10, 16,24, respectively. The research method was historical utilizating the Spearman Rank-Difference method of correlation, because it seemed to be appropriate for the study. Correlation coefficients were derived, between the total SAT Test scores submitted with applications for admission and the baccalaureate grade-point averages, for the 1995, 1996, and 1997 classes. The coefficients were .1182, .6614, and .5773. The latter two coefficients were statistically significant at the .01 and .05 levels of confidence. Because of the interest in using these results for predictive purposes, the coefficients of alienation were found to be .9866, .5625, and .6667, respectively.
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20

Mitterschiffthaler, Martina Theresia. "The sound of music, the appeal of pictures and the colour of words : neural correlates of happy and sad affect processing in healthy and depressed individuals." Thesis, King's College London (University of London), 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428083.

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21

Corvetto, Castro Giovanni Jeffrey. "La corporeidad y la motricidad en su expresión de actividad física- deportiva en los estudiantes de la Universidad Nacional Mayor de San Marcos, análisis de los correlatos biológicos, demográficos, sociales, psicológicos y cognitivos." Doctoral thesis, Universidad Nacional Mayor de San Marcos, 2020. https://hdl.handle.net/20.500.12672/15068.

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Busca conocer sobre la corporeidad en su expresión relacionada con la actividad física-deportiva. El ser humano realiza actividad física por diversos factores, no solo están direccionadas al gasto energético para alejar o prevenir enfermedades de tipo no transmisible, como la diabetes, hipertensión u obesidad, sino también existen factores en nuestro ser corpóreo que no solo son funcionales y mecánicos; algunos tienen que ver con la motivación, las emociones y las características sociales culturales y económicas por las cuales se desenvuelven los estudiantes. Los aportes de la presente tesis pueden contribuir a mejorar o diseñar programas de promoción de hábitos de vida saludable donde la práctica de actividad física-deportiva estructurada y el desarrollo de una conciencia socio crítica hacia la salud sean considerados primordiales en los planes de estudios de la Universidad Nacional Mayor de San Marcos, así como de manera extracurricular a través de los programas de promoción de actividad física deportiva, que mencionamos antes con el propósito altruista de mejorar la calidad de vida de nuestros estudiantes. La investigación dio inicio en octubre del 2017, es a lo largo de estos casi tres años que se elaboró el texto y se presentaron las conclusiones y los resultados. Estos conocimientos permitirán un mayor acercamiento a la situación real de los jóvenes sobre la práctica de actividad física-deportiva en la Universidad Nacional Mayor de San Marcos, así también sobre las asociaciones con las variables y dimensiones presentadas.
Tesis
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22

Robles, Sáenz Randolp Julián, and Medina Juan Carlos Sánchez. "Evaluación de pavimentos rígidos mediante la determinación de correlaciones entre el módulo de rotura a la flexión y la resistencia a la compresión para el Centro Poblado San Cristóbal de Chupán – Huaraz." Bachelor's thesis, Universidad Ricardo Palma, 2015. http://cybertesis.urp.edu.pe/handle/urp/1350.

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La resistencia a flexión y la resistencia a la compresión representan parámetros fundamentales en el correcto desarrollo de los pavimentos rígidos, porque definen la calidad del concreto, principal componente de los pavimentos rígidos, después de cumplir satisfactoriamente su ciclo de fraguado y curado. En nuestro enfoque cuantitativo, el problema principal radica en intentar efectuar ensayos de rotura a la flexión en zonas alejadas, como en el centro poblado San Cristóbal de Chupán, reconociendo que sólo es posible realizarlo en pocos laboratorios a nivel nacional. Por esta razón se determinó, en base a ensayos realizados en laboratorio, un factor de correlación que vincula el Módulo de Rotura a la flexión y la Resistencia a la Compresión, siendo el resultado experimental el factor (k) expresado por la ecuación Mr = (k)*√f’c, que identifica rápidamente resultados del Módulo de Rotura a la flexión, aplicable a proyectos de condiciones similares, ante las altas exigencias del control de calidad en los proyectos de construcción. The flexural strength and the compressive strength are fundamental parameters in the correct development of rigid pavements, because they define the quality of concrete, principal component of rigid pavements, after performing successfully their setting and curing cycle. In our quantitative approach, the principal problem has roots in realizing flexural strength tests in remote rural areas such as San Cristobal de Chupán populated, recognizing could only do it in a few laboratories nationwide. Therefore written, it is determined a correlation factor, based on laboratory tests, what can relating Flexural strength and compressive strength. The experimental result express a factor (k), what is on the equation Mr = (k)*√f'c, which quickly identifies results of Flexural Strength, applicable to projects of similar conditions, to the demands of quality control in construction projects.
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23

Garboan, Adriana. "Traçage de contenu vidéo : une méthode robuste à l’enregistrement en salle de cinéma." Thesis, Paris, ENMP, 2012. http://www.theses.fr/2012ENMP0097/document.

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Composantes sine qua non des contenus multimédias distribués et/ou partagés via un réseau, les techniques de fingerprinting permettent d'identifier tout contenu numérique à l'aide d'une signature (empreinte) de taille réduite, calculée à partir des données d'origine. Cette signature doit être invariante aux transformations du contenu. Pour des vidéos, cela renvoie aussi bien à du filtrage, de la compression, des opérations géométriques (rotation, sélection de sous-région… ) qu'à du sous-échantillonnage spatio-temporel. Dans la pratique, c'est l'enregistrement par caméscope directement dans une salle de projection qui combine de façon non linéaire toutes les transformations pré-citées.Par rapport à l'état de l'art, sous contrainte de robustesse à l'enregistrement en salle de cinéma, trois verrous scientifiques restent à lever : (1) unicité des signatures, (2) appariement mathématique des signatures, (3) scalabilité de la recherche au regard de la dimension de la base de données.La principale contribution de cette thèse est de spécifier, concevoir, implanter et valider TrackART, une nouvelle méthode de traçage des contenus vidéo relevant ces trois défis dans un contexte de traçage de contenus cinématographiques.L'unicité de la signature est obtenue par sélection d'un sous-ensemble de coefficients d'ondelettes, selon un critère statistique de leurs propriétés. La robustesse des signatures aux distorsions lors de l'appariement est garantie par l'introduction d'un test statistique Rho de corrélation. Enfin, la méthode développée est scalable : l'algorithme de localisation met en œuvre une représentation auto-adaptative par sac de mots visuels. TrackART comporte également un mécanisme de synchronisation supplémentaire, capable de corriger automatiquement le jitter introduit par les attaques de désynchronisation variables en temps.La méthode TrackART a été validée dans le cadre d'un partenariat industriel, avec les principaux professionnels de l'industrie cinématographique et avec le concours de la Commission Technique Supérieure de l'Image et du Son. La base de données de référence est constituée de 14 heures de contenu vidéo. La base de données requête correspond à 25 heures de contenu vidéo attaqué, obtenues en appliquant neuf types de distorsion sur le tiers des vidéo de la base de référence.Les performances de la méthode TrackART ont été mesurées objectivement dans un contexte d'enregistrement en salle : la probabilité de fausse alarme est inférieure à 16*10^-6, la probabilité de perte inférieure à 0,041, la précision et le rappel sont égal à 93%. Ces valeurs représentent une avancée par rapport à l'état de l'art qui n'exhibe aucune méthode de traçage robuste à l'enregistrement en salle et valident une première preuve de concept de la méthodologie statistique développée
Sine qua non component of multimedia content distribution on the Internet, video fingerprinting techniques allow the identification of content based on digital signatures(fingerprints) computed from the content itself. The signatures have to be invariant to content transformations like filtering, compression, geometric modifications, and spatial-temporal sub-sampling/cropping. In practice, all these transformations are non-linearly combined by the live camcorder recording use case.The state-of-the-art limitations for video fingerprinting can be identified at three levels: (1) the uniqueness of the fingerprint is solely dealt with by heuristic procedures; (2) the fingerprinting matching is not constructed on a mathematical ground, thus resulting in lack of robustness to live camcorder recording distortions; (3) very few, if any, full scalable mono-modal methods exist.The main contribution of the present thesis is to specify, design, implement and validate a new video fingerprinting method, TrackART, able to overcome these limitations. In order to ensure a unique and mathematical representation of the video content, the fingerprint is represented by a set of wavelet coefficients. In order to grant the fingerprints robustness to the mundane or malicious distortions which appear practical use-cases, the fingerprint matching is based on a repeated Rho test on correlation. In order to make the method efficient in the case of large scale databases, a localization algorithm based on a bag of visual words representation (Sivic and Zisserman, 2003) is employed. An additional synchronization mechanism able to address the time-variants distortions induced by live camcorder recording was also designed.The TrackART method was validated in industrial partnership with professional players in cinematography special effects (Mikros Image) and with the French Cinematography Authority (CST - Commision Supérieure Technique de l'Image et du Son). The reference video database consists of 14 hours of video content. The query dataset consists in 25 hours of replica content obtained by applying nine types of distortions on a third of the reference video content. The performances of the TrackART method have been objectively assessed in the context of live camcorder recording: the probability of false alarm lower than 16 10-6, the probability of missed detection lower than 0.041, precision and recall equal to 0.93. These results represent an advancement compared to the state of the art which does not exhibit any video fingerprinting method robust to live camcorder recording and validate a first proof of concept for the developed statistical methodology
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24

Garboan, Adriana. "Traçage de contenu vidéo : une méthode robuste à l'enregistrement en salle de cinéma." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00871762.

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Composantes sine qua non des contenus multimédias distribués et/ou partagés via un réseau, les techniques de fingerprinting permettent d'identifier tout contenu numérique à l'aide d'une signature (empreinte) de taille réduite, calculée à partir des données d'origine. Cette signature doit être invariante aux transformations du contenu. Pour des vidéos, cela renvoie aussi bien à du filtrage, de la compression, des opérations géométriques (rotation, sélection de sous-région... ) qu'à du sous-échantillonnage spatio-temporel. Dans la pratique, c'est l'enregistrement par caméscope directement dans une salle de projection qui combine de façon non linéaire toutes les transformations pré-citées.Par rapport à l'état de l'art, sous contrainte de robustesse à l'enregistrement en salle de cinéma, trois verrous scientifiques restent à lever : (1) unicité des signatures, (2) appariement mathématique des signatures, (3) scalabilité de la recherche au regard de la dimension de la base de données.La principale contribution de cette thèse est de spécifier, concevoir, implanter et valider TrackART, une nouvelle méthode de traçage des contenus vidéo relevant ces trois défis dans un contexte de traçage de contenus cinématographiques.L'unicité de la signature est obtenue par sélection d'un sous-ensemble de coefficients d'ondelettes, selon un critère statistique de leurs propriétés. La robustesse des signatures aux distorsions lors de l'appariement est garantie par l'introduction d'un test statistique Rho de corrélation. Enfin, la méthode développée est scalable : l'algorithme de localisation met en œuvre une représentation auto-adaptative par sac de mots visuels. TrackART comporte également un mécanisme de synchronisation supplémentaire, capable de corriger automatiquement le jitter introduit par les attaques de désynchronisation variables en temps.La méthode TrackART a été validée dans le cadre d'un partenariat industriel, avec les principaux professionnels de l'industrie cinématographique et avec le concours de la Commission Technique Supérieure de l'Image et du Son. La base de données de référence est constituée de 14 heures de contenu vidéo. La base de données requête correspond à 25 heures de contenu vidéo attaqué, obtenues en appliquant neuf types de distorsion sur le tiers des vidéo de la base de référence.Les performances de la méthode TrackART ont été mesurées objectivement dans un contexte d'enregistrement en salle : la probabilité de fausse alarme est inférieure à 16*10^-6, la probabilité de perte inférieure à 0,041, la précision et le rappel sont égal à 93%. Ces valeurs représentent une avancée par rapport à l'état de l'art qui n'exhibe aucune méthode de traçage robuste à l'enregistrement en salle et valident une première preuve de concept de la méthodologie statistique développée.
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25

Favero, Luiz Paulo Lopes. "O mercado imobiliário residencial da região metropolitana de São Paulo: uma aplicação de modelos de comercialização hedônica de regressão e correlação canônica." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/12/12139/tde-05122005-151150/.

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Este trabalho destina-se a realizar um estudo sobre o mercado imobiliário de lançamentos residenciais da Região Metropolitana de São Paulo, tendo como base a utilização de modelos de comercialização hedônica. Para tanto, utiliza-se da Teoria dos Atributos proposta por Lancaster e dos modelos hedônicos e de equilíbrio de sub-mercados propostos por Rosen e Palmquist, a partir dos quais é possível analisar a importância relativa de “pacotes” de atributos, em função dos diferentes perfis sócio-demográficos determinados previamente por meio de análise fatorial elaborada com um grupo de 11 variáveis sócio-demográficas de cada Município da Região Metropolitana e de cada distrito do Município de São Paulo. Por meio de um levantamento realizado com especialistas, com compradores de imóveis residenciais e por meio de anúncios específicos, definiram-se as variáveis hedônicas explicativas e dependentes a serem incluídas nos modelos de regressão múltipla de Box-Cox e de correlação canônica, sob a ótica da demanda e da oferta, para cada perfil sócio-demográfico definido. O método proposto permite a determinação e a avaliação dos “pacotes” representativos de atributos para a composição das condições comerciais dos imóveis residenciais em lançamento na Região Metropolitana de São Paulo, propiciando a verificação da existência de eventuais descolamentos entre o comportamento da demanda e da oferta e possibilitando a comparação da importância relativa de cada variável entre os perfis sócio-demográficos. Portanto, a aplicação do método proposto neste trabalho pode propiciar a implementação de iniciativas privadas e políticas públicas voltadas ao estabelecimento de novas estratégias de lançamento imobiliário, designadas para cada tipo específico de empreendimento e de acordo com as preferências dos consumidores e das características de cada localidade.
This work intends to research about the residential launchings of the real estate market in the Metropolitan Region of Sao Paulo, using hedonic models. It’s based on the approach to Theory of Attributes, proposed by Lancaster, and on the hedonic models and the sub-markets equilibrium approach proposed by Rosen and Palmquist, that make possible the analysis of the relative importance of the attributes “bundles” for each different social and demographic group previously defined by the factorial analysis statistical technique, that used 11 social and demographic variables related to each Municipality of the Metropolitan Region of Sao Paulo and each district of the City of Sao Paulo. Using a survey realized with specialists, residential launchings buyers and through specific advertisements, many explicative and dependent hedonic variables were defined and are to be included in the models of Box-Cox multiple regression and canonical correlation, under the perspective of demand and supply, for each social and demographic defined group. The proposed method allows the determination and the evaluation of the representative “bundles” of attributes to the composition of the residential launchings commercial conditions of the Metropolitan Region of Sao Paulo real estate market, making possible to verify the existence of eventual gaps between the demand and supply behaviors and allowing the comparison of the relative importance of each variable among the social and demographic groups. Thus, the method application can facilitate private and public implementations, allowing the establishment of new strategies designated to each specific kind of real estate, according to the consumers’ preferences and local characteristics.
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26

Boisot, Olivier. "Étude de la rétrodiffusion des surfaces d'eau en bande Ka à faible incidence." Thesis, Toulon, 2015. http://www.theses.fr/2015TOUL0008/document.

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L’évolution des techniques altimétriques de la bande Ku Nadir vers la bande Ka et l’interféro-métrie large fauchée proche Nadir dans le contexte de la mission SWOT (« Surface Water Ocean Topography », CNES/NASA) soulève de nouvelles questions scientifiques quant à la validité des modèles de rétrodiffusion des surfaces d’eau dans cette bande de fréquence et les erreurs sur les estimations de hauteurs d’eau dues aux mouvements de ces surfaces au cours du temps. Un modèle de rétrodiffusion (GO4) adapté à la configuration SWOT est présenté. Il conserve la précision du modèle de référence de l’Optique Physique tout en gardant la simplicité du modèle plus couramment employé de l’Optique Géométrique. En plus du paramètre classique de pente, il introduit un paramètre supplémentaire, dit de « courbure effective » (msc). Le modèle permet l’inversion des paramètres de pente et de courbure de la surface sous certaines conditions déve-loppées dans ce manuscrit. La validité des modèles conjoints de rétrodiffusion en bande Ka et de surface d’eau a été vérifiée sur des mesures radar effectuées en soufflerie dans un environnement contrôlé. Dans une dernière partie, les propriétés temporelles du signal rétrodiffusé ont été étudiées, en particulier le temps de corrélation et le décalage Doppler induit par le mouvement des vagues. Nous étudions l’influence de ces quantités sur les performances de la synthèse SAR non focalisée du système SWOT
The evolution of the altimetric techniques from Ku-band to Ka-band and the wide swath al-timetry in the context of the SWOT mission (« Surface Water Ocean Topography », CNES/NASA) raises new scientific questions about the validity of the backscattering models from water sur-faces in such a frequency band and errors in estimating water heights from time-evolving water surfaces. A backscattering model (GO4) adapted to the SWOT configuration is introduced. It preserves the accuracy of the referencial Physical Optics model while maintaining the simplicity of the clas-sical Optical Geometrics model. In addition to the classical slope parameter, it introduces another parameter called as « effective curvature » (msc). This model allows the inverson of the surface slope and curvature parameters under certain conditions which are developped in this manus-cript. The joint validity of the backscattering models in Ka-band and from water surfaces is che-cked from controlled wind-wave tank radar measurements . In a last part, the temporal properties of the backscattered signal is studied, in particular the correlation time and the Doppler shift induced by waves motion. Influence of the latters on the non focused SAR synthesis is studied in the context of the SWOT system
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Tikka, Ajay Chandra. "Design, characterisation and optimisation of a SAW correlator driven, wireless, passive microvalve for biomedical applications." Thesis, 2010. http://hdl.handle.net/2440/63167.

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The culmination of rapid advances made in the areas of microelectromechanical systems (MEMS), nonregenerative power sources, nanotechnology, and biomedical engineering have resulted in the expansion of their horizons in modern medicine for the deployment of a wide array of implantable devices. However, the lifetime and remote interrogability of implants, specifically used for drug delivery applications, has been an issue of contention, as their deployment period is limited by the battery life and the device size. Furthermore, not much research effort is directed towards remotely controlled flow manipulation using passive components. These shortcomings are addressed in this thesis by employing surface acoustic wave (SAW) technology to design a novel RF powered, secure coded, active microvalve with fully passive components. By combining the complex signal processing capabilities of the acoustic wave correlator with the electrostatic actuation of the microchannel, the advantages of both the mechanisms are incorporated into a novel microvalve design. Fluid pumping can be achieved at ultrasonic frequencies by electrostatically actuating the edge clamped microchannel, placed in between the compressor interdigital transducer’s (IDT’s) of two identical SAW correlators. The ability to wirelessly administer doses of drug accurately, for an extended period of time, at an inaccessible target location, through an implanted microvalve has the potential to revolutionise health care for long-term, controlled drug release applications. Three specific and diverse areas within MEMS, the new device builds on, are investigated by taking a comprehensive design, modelling, optimisation and experimental validation approach for majority of the research endeavors in the thesis. The first area corresponds to SAW technology followed by microfluidics, and body-centric communications; driven by the ultimate goal to demonstrate the operational feasibility of a human implanted, wirelessly controlled microvalve. The proposed specialised design necessitated a thorough understanding of the multiple coupled physics phenomena at the process level, before fabrication, for the critical investigation and refinement of the individual microvalve components. A comprehensive finite element modelling technique, where the complete set of partial differential equations are solved, was used to design these microvalve components with low level of abstraction to enable an automatic inclusion of the majority of the second order effects. As a starting point for the FEM modelling of SAW devices, an infinite periodic grating was modelled to analyse the freely propagating eigenmodes and eigenvalues with modal analysis; and electrically active waves and electrical admittance with harmonic analysis. A curve fitting technique was employed to extract the COM/P-matrix model parameters from these FEM results. Furthermore, an experimental validation of the parameters extracted using this novel combination of FEM and fitting techniques was carried out by fabricating a number of delaylines and comparing the physical structure response with the formulated P-matrix model. On the other hand, the modelling of a 2 and 3-dimensional, 5×2-bit Barker sequence encoded acoustic wave correlator was demonstrated using FEM. The correlator’s response was quantified in terms of harmonic analysis, to obtain the electrical admittance and output voltage profile, and transient analysis, to study the acoustic wave propagating characteristics and correlation pulses. The validation of these simulation results was carried out by fabricating the SAW correlators using optical lithographic techniques. A good agreement between the numerical and experimental results highlighted the feasibility and potential of using FEM for application specific modelling of SAW correlators. The complexity involved in combining the electroacoustic correlation and electrostatic actuation mechanisms, necessitated a systematic design and optimization of the novel microvalve which is best possible with FEM. In this thesis, the emphasiswas on the design and optimisation of a novel microfluidic structure through the deflection analysis, both, to verify the functionality of the concept and to investigate the working range of the structure. Secure interrogability of the microvalve was demonstrated by utilising finite element modelling of the complete structure and the quantitative deduction of the code dependent, harmonic and dynamic transient microchannel actuation. A numerical and experimental analysis of the biotelemetry link for the microvalve was undertaken in the vicinity of numerical and physical human body phantoms, respectively. To accurately account for the path losses and to address the design optimisation, the receiver coil/antenna was solved simultaneouslywith the transmitter coil/antenna in the presence of a human body simulant using 3-dimensional, high frequency electromagnetic, FEM modelling. The received relative signal strength was numerically and experimentally derived for a miniature (6×6×0.5 mm), square spiral antenna/coil when interrogated by a hand-held 8×5×0.2 cm square spiral antenna/coil in the near field. Finally, the experimental results confirmed well with the FEM analysis predictions and hence ascertained the applicability of the developed system for secure interrogation and remote powering of the newly proposed microvalve.
Thesis (Ph.D.) -- University of Adelaide, School of Electrical and Electronic Engineering, 2010
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28

Menschel, Melissa. "Correlation between saw blade width and kerf width." Thesis, 2020. https://hdl.handle.net/2144/41307.

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Previous studies of saw marks have primarily focused on morphological characteristics and their utility in identifying saws suspected to have been utilized in cases of criminal dismemberment. The present study examined the extent to which metric analysis may be used to correlate saw blades measurements of kerf width. A sample of 56 partially defleshed white-tailed deer (Odocoileus virginianus) limbs were utilized as a proxy for human remains. The partial limbs were cut using a variety of commercially available saws, including 11 manual-powered saws and 5 mechanical-powered saws. A total of 500 false start kerfs (FSKs) were measured using digital calipers. Two experiments were performed, with the first test examining the kerf widths of false starts produced on specimens that were restrained using clamps, while the second test analyzed the kerf widths of false starts produced on minimally restrained specimens. Statistical analysis using Hierarchical Linear Modeling indicated a positive relationship between saw blade width (mm) and minimum kerf width (MKW), with the model estimating that MKWs would increase by 1.61 mm for every millimeter increase in blade width. Results from the models indicated that blade width (p<0.001) and the difference between mechanical- and manual-powered saws (p=0.029) were considered statistically significant. A comparison of MKWs produced using manual-powered saws on unrestrained and restrained bones suggests that restraint condition (p=0.009) is statistically significant. In comparisons of MKWs to blade widths, the average ratio for used saws was 2.7% greater than the average ratio for new saws. The mode of the ratios was approximately 1.4, supporting the general rule that MKW does not exceed 1.5 times saw blade width.
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Liu, Yun-Hua. "The dna saw puzzle??ructure model: the case studies of the rice and yeast genomes." 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3228.

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How does DNA make the abundant and diverged life world? To address this question, a DNA “Jigsaw Puzzle” structure model was proposed and first tested by comprehensively analyzing the genome of the model dicot plant, Arabidopsis thaliana. However, it is unknown whether this model is held in other species. Here we report the studies of the DNA structure model using the monocot plant model species, rice (Oryza sativa), and the single-celled model species, yeast (Saccharomyces cerevisiae). Analyses of the genomes sequenced so far revealed that the genome of an organism consists of a limited number of sequence-specialized, so-called fundamental function elements. For a higher organism, these elements often include genes (GEN), retro-transposable elements (RTE), DNA transposable elements (DTE), simple sequence repeats (SSR) and low complex repeats (LCR). Datasets were developed for RTE, DTE, SSR, LCR and GEN as well as genes categorized into different function categories from the sequences of the rice and yeast genomes using appropriate window sizes. The datasets were subjected to statistical analyses to test the DNA “Jigsaw Puzzle” structure model in terms of the unambiguousness, correlation, uniqueness and selection of their genome-constituting element arrays. The analyses were conducted with a series of window sizes of the sequences at both the whole genome and individual chromosome levels, both including and excluding the centromeric regions. The results showed that all fundamental function elements of the genomes as well as the genes categorized into different function categories were arrayed in the genomes in an unambiguous manner resembling linear “Jigsaw Puzzles” at the whole genome and/or individual chromosome levels, no matter whether the centromeric regions were included or excluded. The analyses revealed that arraying of the genomic elements was correlated significantly and uniquely for each chromosome and each species. This further confirmed the non-random arraying characteristic of the genomic elements for the DNA “Jigsaw Puzzle” structure model and suggested that the DNA “Jigsaw Puzzle” structure is unique for an organism, which has probably resulted from natural selection. These results unambiguously support the hypothesis of the DNA “Jigsaw Puzzle” structure model. Since the content, arraying and interaction pattern of the fundamental function elements were shown to be unique for each organism, variations of an organism in its DNA “Jigsaw Puzzle” array would lead to phenotypic variations, thus resulting in different organisms. Moreover, the fundamental function elements constituting a genome, as the four nucleotides (A, T, G and C) of DNA, could be arrayed into an infinite number of DNA molecules, thus giving different forms of organisms. Therefore, the DNA “Jigsaw Puzzle” structure model would provide a novel, but convincing explanation for the abundance, diversity and complexity of living organisms in the world.
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30

CHIU-FEN, YU, and 余秋芬. "The Correlation between Scholastic Achievement Tests (SAT) and Actual Scholastic Achievements (ASA)." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/95151338440248704879.

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碩士
中國文化大學
國際企業管理研究所
92
This thesis research area is an analysis on Taiwan’s undergraduate multiple en-trance examination methodologies based on the current three entrance scholastic achievement tests. (SAT) The focus of this research is based on the statistical-analyses methodology, ana-lyzing students in the freshman of academic year 2002, doing a canonical correlation analyses on the three different types of SAT held in comparison with their ASA after entrance into their respective programs/colleges, based on the student sampling and data of the Chinese Culture University, in Taiwan. This research was done in the hopes of recommending to universities and colleges considering the pros and cons of rec-ommending better directions towards SAT held as freshman entrance examinations held in the future. The results of this research are: I 、The correlations of the high school SAT and the ASA in college. a. There is a close correlation between the English scores in scholastic achieve-ment tests and actual scholastic achievements in college. b. There is no correlation between the Chinese, Mathematics, Sociology, and Science scores in SAT and the ASA in college. c. There is little correlation between the admission via recommendation and the ASA in college. d. There is a high correlation between the ASA in language subjects and overall subjects, no matter what forms of entrance tests they took. e. Among all different forms of the entrance tests, the admission via recommen-dation in art colleges has a close correlation with the ASA in college. On the other hand, the ASA in college has little correlation with the self-application based test scores. II. The ASA in college via these three current entrances SAT in eight colleges correlated with different subjects in SAT in different colleges. a. Admission via recommendation based tests: There is no obvious correlation between the ASA in college and the scores of admission via recommenda-tion. b. Self-Application based tests: Students in business college who were admit-ted via these tests showed better ASA in foreign language subjects in college compared to other students who were admitted to the colleges via other forms of entrance tests. However, these students showed no better perform-ance on other subjects except language field. c. Examination re-shuffling based tests: The students in engineering college who were admitted via these tests showed better ASA in Chinese, Computer, Foreign Languages and compulsory subjects in comparison with the students who were admitted via other forms entrance tests. The students in science colleges showed better ASA in Computer and compulsory subjects in com-parison with the students who were admitted via other form of entrance tests. The students in art colleges showed better ASA in compulsory subjects in comparison with the students who were admitted via other forms of entrance tests.
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Frerichs, Lynae Johnsen. "Sad and alone social and psychological correlates of relational victimization in preadolescence /." 2009. http://proquest.umi.com/pqdweb?did=1816798981&sid=14&Fmt=2&clientId=14215&RQT=309&VName=PQD.

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Thesis (Ph.D.)--University of Nebraska-Lincoln, 2009.
Title from title screen (site viewed January 5, 2010). PDF text: xi, 176 p. : ill. ; 1 Mb. UMI publication number: AAT 3360042. Includes bibliographical references. Also available in microfilm and microfiche formats.
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Lai, Yen-jung, and 賴彥融. "Study of Determining Wave Velocities of Airfield Rigid Pavements by Using Cross-Correlation Function Method and SASW Method." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/01453121553822401031.

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碩士
逢甲大學
土木工程所
97
In civil engineering, many geotechnical structures can be considered as a layered structure system. It is important to be in control of information such as the thickness and material properties in design stage, construction stage, and maintenance & management stage. Therefore, establishment of a comprehensive testing system will help to effectively construct and facilitate a geotechnical layered stratum so that not only the engineering costs as well as construction period can be cut down but also disaster loss can be effectively reduced. The purpose of this thesis was to explore the advantages and disadvantages of the Cross-Correlation Function Method (CCF) and the Spectral Analysis of Surface Waves method (SASW) through a seires of in-situ tests, to combine the advantages of these two methods, and to develop an integrated testing system in order to determine both the P-wave and R-wave velocities. Due to its simple geometry, rigid pavement was selected as the subject of this study. There are three reseach stages of this study: the first equipment development, the second equipment calibration, the third in-situ experiments which include a concrete experiment, a floor experiment, an airfield rigid pavement experiment. The research results showed that: the first arrivals of horizontally polarized receiver signals can not be easily identified, vertically polarized receiver setup will be beneficiall; vaseline can be applied to the surface of rigid pavement to improve the signal quality; filtering can enhance the quality of R-wave velocity for both the CCF and SASW methods; both CCF method and SASW method can be integrated together to determine the wave velocities of the concrete sample; surface wave velocity can be obtained by setting the lowest cutting frequency as 20kHz in the floor experiment; in airport rigid pavement experiment, weak signals were resulted from surface roughness of the pavement, signal improvement can be achieved by ground flushing; the energy of Impact Eech hammer as source is ineligible, 7.2mm steel ball can be used instead; P-wave signals of CCF are not readily measured; R-wave velocity of CCF did not significantly improved after filtering when tested on the crack in the concrete slab,; R-wave velocity of CCF can be improved after filtering for tests near the lateral boundary of the plate; difficulty exists in the SASW method to determine of R-wave velocity even after filtering; the R-wave velocity from the SASW method will not be affected by the lateral boundaries when the measurement be conducted at a distance of more than 3cm.
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Fonseca, João Miguel Lucas da. "Covid-19 versus H1N1: a comparative study of the impact of viruses on small and large economies on the Stock Market: The special study of Portugal." Master's thesis, 2022. http://hdl.handle.net/10362/134920.

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Dissertation presented as the partial requirement for obtaining a Master's degree in Statistics and Information Management, specialization in Risk Analysis and Management.
Esta dissertação descreve e detalha, o impacto que as crises pandémicas têm na volatilidade dos mercados da bolsa de pequenas e grandes economias. Relativamente aos países estudados, escolhemos como casos de estudo os Estados Unidos da América (grande economia), a Grécia (pequena economia), e Portugal, como comparação aos dois países mencionados anteriormente, mas apenas no que se refere à consequência da pandemia provocada pela Covid-19. Em termos de metodologia, a volatilidade financeira diária é tradicional para modelar um processo GARCH (1,1). Este modelo foi utilizado no programa SAS para provar se a volatilidade podia ser ou não correlacionada. Adicionalmente, os coeficientes de correlação linear de Pearson foram realizados e analisados em várias variáveis, tais como o valor no fecho, casos e mortes confirmados com a volatilidade diária entre cada país e a volatilidade histórica diária. Finalmente, o estudo mostra como as pandemias do século XXI tiveram impacto tanto na bolsa de valores (financeiramente), como no produto interno bruto (economicamente). Esta dissertação comprova que existe, de facto, uma enorme volatilidade no mercado de bolsa no início de um fenómeno atípico. Contudo, após um determinado período de tempo, o mercado de bolsa corrige-se. Saliento, que na pandemia de Covid-19, apesar dos Estados Unidos da América terem sofrido uma repercussão no seu Produto Interno Bruto, Portugal teve implicações ainda mais fortes na economia, tal como a Grécia (países de economia pequena). Referente à parte financeira, Portugal compara-se igualmente à Grécia aquando se realizou as correlações entre as volatilidades históricas diárias. No entanto aproxima se dos Estados Unidos da América nas correlações das várias variáveis, transcritas anteriormente, tais como o valor no fecho e os casos e mortes confirmados com a volatilidade diária entre cada país. Conclui-se que as pandemias causaram impacto nos mercados de bolsa nos países estudados e mencionados supra.
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Wu, Meichih, and 吳美枝. "A study of correlation between Language Use and Hakka Identity-A case of Li Yu Tan Village in San Yi Town." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/80797622538706000276.

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碩士
國立聯合大學
客家語言與傳播研究所
99
This research focuses on the area of Li Yu Tan Village in San Yi Town. Due to its unique geographic location, this area appears to have more diversified ethnic groups compared with other areas in the San Yi Town, notwithstanding the majority Hakka population. The prevalence of Hakka language has gradually declined as the Hakka people started to come into contact with other ethnic groups in San Yi Town, leading towards bilingualism. This phenomenon is particularly conspicuous in Li Yu Tan Village. The aim of this research, hence, is to understand the influence of the bilingual phenomenon on the language use of the local Hakka People, including Hakka language proficiency, language choice and language attitude. The research also explores the impact of this phenomenon on the ethnic identity of the local Hakka people (including ethnic self-identification, ethnic attitude, ethnic awareness and ethnic involvement). A further analysis is made on the correlation between language use and Hakka identity. Equal emphasis is placed on the qualitative and quantitative approaches for this study. Various methodologies are adopted to achieve the objectives of the research, including literature review, questionnaire survey and in-depth interview. The research reveals that the Hakka people in the Li Yu Tan Village are mostly bilingual, with the younger generations being more inclined to communicate in Mandarin or Fukienese, as they are less familiar with the Hakka language. This results in speech accommodation, i.e., the shift of language use from Hakka to Mandarin and Fukienese. In terms of Hakka identity, the Hakka residents of Li Yu Tan Village, in general, identify themselves as part of the Hakka group and the younger the residents are, the lower the Hakka identity is while the older Hakka people, conversely, share a higher ethnic identity. However, the older Hakka generations are concerned that, with time and environment changes, their descendents may even forget their mother tongue and lose their Hakka identity altogether. Moreover, with regard to the correlation between language use and Hakka identity, the questionnaire results show that there is a significant positive correlation. In other words, higher frequency Hakka language use leads to higher Hakka identity. Conversely, lower level use of the Hakka language results in lower Hakka identity. The results of the in-depth interview, however, suggest that, while some of the interviewees do not speak Hakka, the next-generation will still maintain their Hakka identity, due to blood ties. This phenomenon seems to suggest that there is no direct relationship between the use of the Hakka language and ethnic identity among the Hakka people. Some of the interviewees also address the issue of alteration of generations. From a diachronic perspective, therefore, the Hakka group in Li Yu Tan Village will have the risk of gradual diminishing of their ethnic identity as a result of reduced use of the Hakka language.
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平尾, 公彦, and 博. 中辻. "クラスター展開法を利用した新しい波動関数理論の開発とその応用." 1991. http://hdl.handle.net/2237/12960.

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Heim, Detlef Peter. "Prophetisches Reden und Evangelisation : Eine missiologische Untersuchung der uber Berlin ausgesprochenen Prophetien (1980-2000)." 2002. http://hdl.handle.net/10500/16930.

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Prophetie und Evangelisation sind zentrale Themen der Bibel und wichtige Instrumente Gottes. Bib'lische Berichte zeigen, dass Mission und Evangelisation oft erst durch ein prophetisches Wort miiglich wurde. Das erste Kapitel widmet sich diesen Themen. Es ist das Anliegen dieser Studie, die in den Jahren 1980-2000 iiber Berlin ausgesprochenen Prophetien zu analysieren. Die Prophetien werden mit biblischen Aussagen verglichen, gegeneinander ins Verhliltnis gesetzt und auf ihre missionstheologische Relevanz hin untersucht. Eine Befragung einiger Berliner Leiter charismatisch-geprligter Gemeinden liefert den praktischen Anteil dieser Studie. Die theoretischen Grundlagen werden im zweiten und die Ergebnisse im dritten Kapitel behandelt. Es ist zu betonen, Prophecy and evangelisation are central topics of the Bible and instruments of God. Biblical reports show, that mission and evangelisation were mostly possible by a prophetic word (Chapter one). The concern of this study is to analyse the prophecies spoken out for Berlin between the years 1980 to 2000. The prophecies were compared with biblical statements, were proportionate to one another and were analysed regarding their mission-theological relevance. A questioning of few leaders of charismatic-embossed churches of Berlin gives the practical part of the study (the theoretical part see chapter two, the results see chapter three). It has to be articulated, that there is no objective judgement for the analysed prophecies. All indications are not bound by time and were given in general sense. All prophecies deal with a spiritual quantum leap, who speaks of an out-pouring of the Spirit of God over Berlin covering the whole area (Chapter four).
Text in German
Titles in German and English
Keywords in German and English
M. Th. (Missiology)
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Heim, Detlef Peter. "Prophetisches Reden und Evangelisation: eine missiologische Untersuchung der über Berlin ausgesprochenen Prophetien (1980-2000)." Diss., 2002. http://hdl.handle.net/10500/1099.

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Text in German
Prophetie und Evangelisation sind zentrale Themen der Bibel und wichtige Instrumente Gottes. Biblische Berichte zeigen, dass Mission und Evangelisation oft erst durch ein prophetisches Wort moglich wurde. Das erste Kapitel widmet sich diesen Themen. Es ist das Anliegen dieser Studie, die in den Jahren 1980-2000 uber Berlin ausgesprochenen Prophetien zu analysieren. Die Prophetien werden mit biblischen Aussagen verglichen, gegeneinander ins Verhaltnis gesetzt und auf ihre missionstheoiogische Relevanz hin untersucht. Eine Befragung einiger Berliner Leber chainsmatisch-gepragter Gemeinden liefert den praktischen Anteil dieser Studie. Die theoretischen Grundlagen werden im zweiten und die Ergebnisse im dritten Kapitel behandelt. Es ist zu betonen, dass sich die untersuchten Prophetien jeglicher objektiver Beurteilung entziehen. Alle Angaben sind zeitlich nicht gebunden und sehr allgemein gehalten. Allen gemeinsam ist jedoch ein geistlicher Quantensprang, der von einer flachendeckenden Ausgiessung des Geistes Gottes uber Berlin handelt. Dieser Sachverhalt wird im vierten Kapitel dargestellt und diskutiert.
Prophecy and evangelisation are central topics of the Bible and instruments of God, Biblical reports show, that mission and evangelisation were mostly possible by a prophetic word (Chapter one). The concern of this study is to analyse the prophecies spoken out for Berlin between the years 1980 to 2000. The prophecies were compared with biblical statements, were proportionate to one another and were analysed regarding their mission-theologicai relevance. A questioning of few leaders of charismatic-embossed churches of Berlin gives the practical part of the study (the theoretical part see chapter two, the results see chapter three). It has to be articulated, that there is no objective judgement for the analysed prophecies. All indications are not bound by time and were given in general sense. All prophecies deal with a spiritual quantum leap, who speaks of an out-pouring of the Spirit of God over Berlin covering the whole area (Chapter four).
Christian Spirituality, Church History and Missiology
M.Th. (Missiology)
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