Rozprawy doktorskie na temat „Sign selector”
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Muhammad, Nuraddeen Ado. "Analysis and design of an innovative 19.5 GHz active phase-shifter architecture, implemented in a 0.13 μm BiCMOS SiGe process, for beamforming in 5G applications". Electronic Thesis or Diss., Poitiers, 2024. http://www.theses.fr/2024POIT2257.
Pełny tekst źródłaFor good reasons, 5G dominates technological news. The high-bandwidth and real-time capabilities of 5G have huge societal potential by enabling a plethora of new and unanticipated application cases. Indeed, the millimeter-wave frequency band is characterized by an available bandwidth that can support high-speed wireless systems for future radio communications systems, including 5th Generation cellular systems and beyond. The frequencies of operation at mm-wave generally requires larger antenna aperture to improve the channel budget at useful distances. These antennas are usually in the form of phased arrays, allowing beamforming to be performed. This work presents the design and implementation of a 19.5 GHz active phase shifter for beamforming in 5G applications. The proposed circuit is based on an original architecture using an injection-locked voltage-controlled oscillator (ILVCO) associated with a polyphase filter followed by a phase selection circuit and its sign. The desired phase in the range of ± 45° is synthesised with the proposed circuit by altering the control voltage Vcntr of an ILVCO for fine-tuning and modifying the two control signals of phase and sign selectors (S0, S2) for coarse tuning, resulting in a 360° linear phase variation. According to the post-layout simulation results, the frequency tuning range of the VCO varies from 17.89 GHz to 20.16 GHz in free-running mode. In addition, with an injected power of -8.5 dBm and a frequency of 19.5 GHz, the proposed phase shifter draws 20.47 mA from a 1.3 V supply voltage. Furthermore, the mean output power on 50 Ω load is found to be -15.58 dBm. The whole circuit has a chip size of 1.58 mm2 including the pads and it is integrated in a BiCMOS SiGe:C 0.13 μm process. Finally, the obtained results justify that the proposed active phase shifter is a relevant design for phased-array systems used for beamforming in 5G applications
Yin, Pei. "Segmental discriminative analysis for American Sign Language recognition and verification". Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/33939.
Pełny tekst źródłaViera, Juan Carlos. "Strategy for traffic-signal-systems selection in Venezuela". Diss., Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/19267.
Pełny tekst źródłaSmith, Aletta Elizabeth. "The reinforcement of the nature of selected South African newspapers through the application of language as a sign system / A.E. Smith". Thesis, North-West University, 2007. http://hdl.handle.net/10394/1328.
Pełny tekst źródłaMarkgraaff, Christine. "A programme to improve gross motor and selected visual perception skills of children who show signs of developmental coordination disorder". Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4246.
Pełny tekst źródłaENGLISH ABSTRACT: The purpose of this study was to determine the impact of participation in a small group-based perceptual-motor training programme on the gross motor and visual-motor integration skills of children who show signs of Developmental Coordination Disorder (DCD). Two physical education teachers selected 22 children for assessment as potential participants for this study. The Movement ABC (M-ABC) was then administered to this group and the eight children who scored the lowest were invited to volunteer for this study. These children all volunteered and then completed the assessment of their visual-motor integration skills as measured by the Developmental Test of Visual Perception (DTVP-2). The study followed an evaluative case study design in which changes in the gross motor and visual-motor integration skills of each participant were reported and interpreted individually. The six-week intervention programme was focused on developing the perceptual-motor link between throwing, catching and balancing skills with challenges to visual skills development, especially eye-hand coordination. A comparison of pre-test, post-test and retention test scores in the M-ABC revealed that the programme had a positive effect on six of the children. The results for the seventh child were inconsistent on each test occasion, leading to the conclusion that he may have a co-morbid disorder related to attention. Improvements in static balance were noted and some children also experienced improvements in their ball skills (aiming and coincident timing) which brings the researcher to the conclusion that the programme was effective for gross motor development. DTVP-2 results showed improvements in eye-hand coordination in five of the seven children. According to the VMI quotient score, only one child improved, one deteriorated and the rest showed no change which brings the researcher to the conclusion that the intervention programme was not effective for visual-motor integration.
AFRIKAANSE OPSOMMING: Die doel van die studie was om die impak te bepaal van deelname in „n klein-groep gebaseerde perseptueel-motoriese oefenprogram op die groot motoriese en visueel-motoriese integrasievaardighede van kinders met tekens van die Ontwikkelingskoördinasie-afwyking (DCD). Twee Lewensoriëntering-onderwysers het 22 kinders geïdentifiseer vir assessering as potensiële deelnemers aan die studie. Hierdie groep het die Beweging-ABC toets (M-ABC) ondergaan en die agt deelnemers met die laagste uitslae is uitgenooi om aan die studie deel te neem. Hierdie agt kinders het ingestem en daarna is die assessering voltooi deur hulle visueel-motoriese integrasievaardighede te meet deur middel van die Ontwikkelingstoets vir Visuele Persepsie (DTVP-2). Die studie het „n evaluerende gevallestudie-ontwerp gevolg waarin die veranderings tussen die groot motoriese en visueel-motoriese integrasievaardighede van elke deelnemer individueel geïnterpreteer en gerapporteer is. Die ses week-intervensieprogram het gefokus op die ontwikkeling van die perseptueel-motoriese skakel tussen gooi-, vang- en balans-vaardighede met uitdagings vir die ontwikkeling van visuele vaardighede, veral oog-hand koördinasie. „n Vergelyking tussen die voor-, na- en opvolgtoetse van die M-ABC se toetstellings het getoon dat die program „n positiewe effek op ses van die kinders se groot motoriese vaardighede gehad het. Die uitslag van die sewende kind was teenstrydig tydens elke toetsgeleentheid en dit het gelei tot die gevolgtrekking dat hy moontlik aan „n addisionele afwyking mag ly wat verband hou met „n aandagprobleem. Verbeterings in statiese balans is waargeneem en sommige kinders het ook „n verbetering in balvaardighede getoon (akkuraatheid en reaksietyd). Volgens die DTVP-2 resultate was daar verbeterings in oog-hand koördinasie by vyf van die sewe kinders. Volgens die VMI-kwosiënttelling het slegs een kind verbeter, een het versleg en die ander vyf het geen verandering getoon nie. Die navorser kom dus tot die gevolgtrekking dat die intervensieprogram nie effektief is vir visueel-motoriese integrasie nie.
Basson, Hester Magdalena. "The iconicity and learnability of selected picture communication symbols a study on Afrikaans-speaking children /". Diss., Pretoria : [s.n.], 2004. http://upetd.up.ac.za/thesis/available/etd-10042005-155306.
Pełny tekst źródłaBuchholz, Timothy C. "Analysis and Categorization of Selected Musical Elements within Forty-three Solo Jazz Vocal "Standards" with Pedagogical Application to Repertoire Selection and the Teaching of Jazz Concepts in the Jazz Voice Lesson". Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/386.
Pełny tekst źródłaSpigolon, Luciana Maria Gasparelo. "A otimização da rede de transporte de RSU baseada no uso do SIG e análise de decisão multicritério para a localização de aterros sanitários". Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18144/tde-02032016-142111/.
Pełny tekst źródłaThe National Policy of Solid Waste (NPSW) established in 2010 provided for the environmentally suitable final destination of waste, however, the deadline expired in 2014 and the goal was not achieved. The landfill, in the hierarchy of the integrated management of Municipal Solid Waste (MSW), is the last option, but not the least important one amongst the possibilities for environmentally suitable final destination, because it is the infrastructure of treatment and final destination which can receive a varied range of MSW in an environmentally safe way. The Public Consortium is an instrument provided for in the NPSW so that the cities can join in, achieving scale economy allowing the shared landfill operation. However, with the share of landfills comes the problem of MSW transportation costs, since the cities will deposit their waste outside their territories. Thus, this study aimed to identify appropriate areas for the setting of landfills, considering the landfills already existing in the Water Resources Management Units (WRMU) 5, and use mathematical models that minimize the MSW transportation costs and landfill operation. To achieve the proposed goals it was used the selection method of suitable areas for landfill setting, developed in GIS environment and consisting of the establishment of environmental, social and economic criteria which were classified according to the adequacy levels and considered by the Multi Criteria Decision Analysis (MCDA), resulting in an adequacy map, which was cross-checked with the restriction area map generated at different scale scenarios, thereby obtaining the final adequacy map - scenarios 1 and 2. On these scenarios, the existing landfills were overlapped. The MSW transportation network optimization consisted of a mathematical model of Mixed Integer Quadratic Programming structure (MIQP). In the objective function the distances were incorporated to obtain the optimal location of the existing landfills in appropriate areas, which are subject to restrictions of physical and behavioral order. In scenario 1, it was identified that 62% of the WRMU 5 area is classified as adequate for the setting of landfills, 15% as average adequate and 23% restricted, and from the 18 existing landfills, 14 are located in suitable areas. In scenario 2, it was identified that 30% of the area is considered adequate, 5% average adequate and 65 % restricted, and only 7 landfills are located in suitable areas. The application of the optimization model for scenario 1 resulted in 5 landfills as an optimal solution, yet, in scenario 2 the optimal solution is of 4 landfills. Considering that scenario 2 has more restrictive characteristics than scenario 1; the total daily cost increase of scenario 1 compared with 2 is only 7.56% and that the total current capacity of the landfills would suffer a reduction of only 1.5%, it can be concluded that scenario 2 is the more suitable for the formation of public consortium in WRMU 5.
Svoboda, Tomáš. "Detekce, lokalizace a rozpoznání dopravních značek". Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-236958.
Pełny tekst źródłaHeimbigner, Kent A. "The relation of the celebration of the Lord's Supper to the office of the holy ministry [an examination of the scriptural doctrine, selected liturgical writings of the church in the first four centuries, and the primary liturgies of each major liturgical family] /". Theological Research Exchange Network (TREN), 1991. http://www.tren.com.
Pełny tekst źródłaSigl, Tanja [Verfasser], Michael W. [Akademischer Betreuer] Pfaffl i Steffi [Akademischer Betreuer] Wiedemann. "Transcript regulation in primary bovine mammary epithelial cells purified from milk and effects of restricted feeding on mammary protein biosynthesis pathways, hepatic regulation, milk yield and composition in dairy cows selected for different milk protein content / Tanja Sigl. Gutachter: Michael W. Pfaffl ; Steffi Wiedemann. Betreuer: Michael W. Pfaffl". München : Universitätsbibliothek der TU München, 2013. http://d-nb.info/1033640301/34.
Pełny tekst źródłaAlkurdi, Nadeem. "Aide à la décision multicritère pour l’optimisation de scénarios de production énergétique via l’utilisation de données spatiales Towards robust scenarios of spatio-temporal renewable energy planning : A GIS-RO approach An integrated GIS and robust optimization framework for solar PV plant planning scenarios at utility scale A systemic decision support approach for biomass energy assessment, storage and delivery SONET analogy for solar PV site selection at utility scale". Thesis, Guyane, 2020. http://www.theses.fr/2020YANE0006.
Pełny tekst źródłaCurrently, lack of electricity is a major global issue around the world due to the increase in power demand, that’s why implementation of renewable energy(RE) is an important alternative solution to feed our electricity needs, reducing Green House Gases (GHG) emissions to fight climate change and to mitigate the dependency on fossil fuels resources. So, (RE) transition planning is an essential ongoing strategy to feed our demand needs whether the network is grid-connected or off-grid in rural areas. Most countries have already begun to reinforce its energy infrastructure to be fed from sustainable (RE) resources but the limited potential resources could halt such deployment. So, integration of different renewable energy resources to the power network is a major challenge to secure the stability of the grid and the implementation of efficient (RE) systems requires strong decision making support to encourage investments. Thus, (RE) planning should be evaluated from the techno-economic-socio-environmental criteria. This thesis highlights the main concept of 100 % renewable energy transition by the end of 2030 in French Guiana where there is a challenge in the development of the energetic scenario by 2030 and the current energy production facilities cannot feed the increase in power demand within limited resources. As a summary, this thesis handles this research question: how to optimize different energy production scenarios combining different RE resources of maximum production at minimal costs in order to satisfy the energy needs taking into account the spatio-temporal dimensions of the problem and data?
Nuhbalaoglu, Derya. "Comprehension and production of referential expressions in German Sign Language and Turkish Sign Language: An empirical approach". Doctoral thesis, 2018. http://hdl.handle.net/21.11130/00-1735-0000-0003-C152-6.
Pełny tekst źródłaMnyandu, Nontobeko Lynette. "The provision of interpreting services in isiZulu and South African Sign Language in selected courts in KwaZulu-Natal". Thesis, 2016. http://hdl.handle.net/10321/1550.
Pełny tekst źródłaIsiZulu is a previously marginalized language and is spoken by 78% of people in KwaZulu-Natal (South Africa.info 2012). Signed language on the other hand, is not an official language in South Africa, although it is recognised despite the profession having undergone major transformation since democracy. This study hypothesizes that isiZulu and South African Sign Language interpreters both face challenges when given interpreting assignments. This study aims to create an awareness of the needs of the isiZulu speakers and deaf people when seeking judicial assistance and also to contribute towards the provision of quality interpreting services in some of the courts in KwaZulu-Natal. With this study it is hoped to assist the Department of Justice and Constitutional Development to be able to see where they can still improve on their system. This study was conducted only in four courts, therefore, the findings cannot be generalized to be the same in all the courts in South Africa. IsiZulu kusewulimi obelucindezelwe, kanti lusetshenziswa abantu abangamaphesenti angama-78 KwaZulu-Natali (SouthAfrica.info 2012). Ulimi lwezandla ngakolunye uhlangothi, akulona ulimi olusemthethweni eNingizimu Afrika nangale koshintsho oluningi olwenziwe kusukela kwaqala intando yabantu. Lolu cwaningo lucabangela ukuthi otolika besiZulu kanye naboLimi Lwezandla babhekana nezingqinamba uma benikwe umsebenzi wokutolika. Lolu cwaningo Iuhlose ukwazisa ngezidingo zabantu abakhuluma isiZulu kanye nabangezwa uma bedinga usizo lwezomthetho kanye nokuxhasa ekunikezeleni ukutolika okusezingeni elifanele kwezinye zezinkantolo KwaZulu-Natali. Ngalolu cwaningo kuthenjwa ukuthi luzosiza uMnyango Wobulungiswa kanye nokuThuthukiswa koMthethosisekelo ukuba ubone ukuthi yikuphi la okungalungiswa khona inqubo yokwenza yawo. Lolu cwaningo lwenziwe ezinkantolo ezine kuphela, ngakho-ke okutholakele ngeke kuze kuthathwe ngokuthi kuyafana ezinkantolo zonke zaseNingizimu Afrika.
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Paulus, Susan C. "A Retroreflective Sheeting Selection Technique for Nighttime Drivers' Needs". 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-05-7859.
Pełny tekst źródłaSilva, Bárbara Guimarães da. "Selection Criteria in Clinical Trials in Healthy Subjects: Vital Signs and Electrocardiogram Parameters". Master's thesis, 2021. http://hdl.handle.net/10316/98962.
Pełny tekst źródłaEnsaios de fase I são os primeiros estudos farmacológicos em humanos, sem objetivos terapêuticos e frequentemente incluem indivíduos saudáveis administrados com um medicamento experimental ou um placebo. A minimização do risco ao nível mais baixo possível implica a implementação de medidas de segurança, particularmente em estudos pioneiros em humanos com um novo composto sob investigação. O estado de saúde dos participantes e o cumprimento dos critérios de elegibilidade deve ser avaliado no início do estudo, durante o período de triagem, para garantir e proteger o bem-estar de todos os indivíduos. As avaliações de triagem incluem, em geral, a história médica, exame físico, sinais vitais, exames laboratoriais e eletrocardiograma. Em todas as circunstâncias, o investigador é responsável pela vigilância clínica e cuidados médicos. Atualmente, nenhuma diretriz define os intervalos aceitáveis para os principais parâmetros de segurança que permitem a participação de um sujeito saudável em ensaios clínicos de fase I. Pequenos desvios dos intervalos de referência podem ser aceites no contexto de elegibilidade para um ensaio, por não serem necessariamente patológicos. Os parâmetros de segurança escolhidos para elegibilidade e os valores definidos como aceitáveis dependerão sempre do risco do medicamento, considerando os órgãos alvo de toxicidade. Ao longo deste trabalho, será discutido um intervalo de aceitabilidade para sinais vitais e parâmetros do eletrocardiograma de um centro de fase I. Os dados recolhidos de 16 estudos serão utilizados para analisar anormalidades morfológicas do eletrocardiograma no mesmo coorte saudável, fornecendo informações fidedignas acerca da segurança dos participantes.
Phase I trials are the first pharmacological studies in humans, without therapeutic objectives and often include healthy subjects administered either an active investigational drug or a placebo. Risk minimization to the lowest possible level implies the implementation of safety measures, particularly in first-in-human studies with a new compound under investigation. The health status of participants and the compliance with the eligibility criteria must be assessed at the beginning of the trial, during the screening period, to ensure and protect the well-being of all subjects. Screening assessments include, in general, medical history, physical examination, vital signs, laboratory tests and electrocardiogram. At all times, the investigator is responsible for the clinical surveillance and medical care. Currently, no guidelines define the acceptable ranges for the main safety parameters used for the participation of a healthy subject in a phase I clinical trial. Minor deviations from the reference ranges may be accepted in the context of eligibility for a trial as they are not necessarily pathological. The safety parameters chosen for eligibility and the values defined as acceptable will always depend on the risk of the drug, considering the target organs of toxicity. Throughout this work, an acceptability range for vital signs and electrocardiogram parameters in one phase I center will be discussed. Data collected from 16 studies will be used to analyze electrocardiogram morphological abnormalities in the same healthy cohort, providing reliable information on subjects’ safety.
Walters, SF. "Editing and performance of selected works for bassoon from the Sing-Akademie zu Berlin archive". Thesis, 2020. https://eprints.utas.edu.au/35857/1/Walters_whole_thesis.pdf.
Pełny tekst źródłaPekárková, Schneiderová Eliška. "Genderová analýza vnímání prvotního hříchu, z pohledu vybraného vzorku věřících, české komunity z Rumunska". Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-342491.
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