Tesis sobre el tema "Descriptor models"
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Ozcaldiran, Kadri. "Control of descriptor systems". Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/13531.
Texto completoAubry, Mathieu. "Representing 3D models for alignment and recognition". Thesis, Paris, Ecole normale supérieure, 2015. http://www.theses.fr/2015ENSU0006/document.
Texto completoThanks to the success of 3D reconstruction algorithms and the development of online tools for computer-aided design (CAD) the number of publicly available 3D models has grown significantly in recent years, and will continue to do so. This thesis investigates representations of 3D models for 3D shape matching, instance-level 2D-3D alignment, and category-level 2D-3D recognition. The geometry of a 3D shape can be represented almost completely by the eigen-functions and eigen-values of the Laplace-Beltrami operator on the shape. We use this mathematically elegant representation to characterize points on the shape, with a new notion of scale. This 3D point signature can be interpreted in the framework of quantum mechanics and we call it the Wave Kernel Signature (WKS). We show that it has advantages with respect to the previous state-of-the-art shape descriptors, and can be used for 3D shape matching, segmentation and recognition. A key element for understanding images is the ability to align an object depicted in an image to its given 3D model. We tackle this instance level 2D-3D alignment problem for arbitrary 2D depictions including drawings, paintings, and historical photographs. This is a tremendously diffcult task as the appearance and scene structure in the 2D depictions can be very different from the appearance and geometry of the 3D model, e.g., due to the specific rendering style, drawing error, age, lighting or change of seasons. We represent the 3D model of an entire architectural site by a set of visual parts learned from rendered views of the site. We then develop a procedure to match those scene parts that we call 3D discriminative visual elements to the 2D depiction of the architectural site. We validate our method on a newly collected dataset of non-photographic and historical depictions of three architectural sites. We extend this approach to describe not only a single architectural site but an entire object category, represented by a large collection of 3D CAD models. We develop a category-level 2D-3D alignment method that not only detects objects in cluttered images but also identifies their approximate style and viewpoint. We evaluate our approach both qualitatively and quantitatively on a subset of the challenging Pascal VOC 2012 images of the \chair" category using a reference library of 1394 CAD models downloaded from the Internet
Aasaraai, A. "Geometric models in linear control theory : On disturbance decoupling in descriptor systems". Thesis, University of Salford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234563.
Texto completoHobocienski, Bryan Christopher. "Locality-Dependent Training and Descriptor Sets for QSAR Modeling". The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1577716259011585.
Texto completoWang, Siwen. "Orbital Level Understanding of Adsorbate-Surface Interactions in Metal Nanocatalysis". Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/98923.
Texto completoDoctor of Philosophy
The interactions between reaction intermediates and catalysts should be neither too strong nor too weak for catalytic optimization. This Sabatiers principle arising from the scaling relations among the energetics of reacting species at geometrically similar sites, provides the conceptual basis for designing improved catalysts, but imposes volcano-type limitations on the attainable catalytic activity and selectivity. One of the greatest challenges faced by the catalysis community today is how to develop design strategies and ultimately predictive models of catalytic systems that could circumvent energy scaling relations. This work brings the quantum-chemical modeling and machine learning technique together and develops a novel stochastic modeling approach to rationally design the catalysts with desired properties and bridges our knowledge gap between the empirical kinetics and atomistic mechanisms of catalytic reactions.
Gerdin, Markus. "Identification and Estimation for Models Described by Differential-Algebraic Equations". Doctoral thesis, Linköping : Department of Electrical Engineering, Linköpings universitet, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7600.
Texto completoMARCUCCIO, GABRIELE. "Applications of meta-models, shape descriptor theory and image decomposition to automotive components design and manufacturing variability control". Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2574339.
Texto completoCamp, John L. "3-D Model Characterization and Identification from Intrinsic Landmarks". Wright State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1323135521.
Texto completoEstrada, Manzo Víctor. "Estimation et commande des systèmes descripteurs". Thesis, Valenciennes, 2015. http://www.theses.fr/2015VALE0032/document.
Texto completoThis thesis addresses the estimation and control for nonlinear descriptor systems. The developments are focused on a family of nonlinear descriptor models with a full-rank descriptor matrix. The proposed approaches are based on a Takagi-Sugeno (TS) descriptor representation of a given nonlinear descriptor model. This type of TS models is a generalization of the standard TS ones. One of the mains goals is to obtain conditions in terms of linear matrix inequalities (LMIs). In the existing literature, the observer design for TS descriptor models has led to bilinear matrix inequality (BMI) conditions. In addition, to the best of our knowledge, there are no results in the literature on controller/observer design for discrete-time TS descriptor models (with a non-constant and invertible descriptor matrix).Three problems have been addressed: state feedback controller design, observer design, and static output feedback controller design. LMI conditions have been obtained for both continuous and discrete-time TS descriptor models. In the continuous-time case, relaxed LMI conditions for the state feedback controller design have been achieved via parameterdependent LMI conditions. For the observer design, pure LMI conditions have been developed by using a different extended estimation error. For the static output feedback controller, LMI constraints can be obtained once an auxiliary matrix is fixed. In the discretetime case, results in the LMI form are provided for state/output feedback controller design and observer design; thus filling the gap in the literature. Several examples have been included to illustrate the applicability of the obtained results and the importance of keeping the original descriptor structure instead of computing a standard state-space
Milborrow, Stephen. "Multiview active shape models with SIFT descriptors". Doctoral thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/22867.
Texto completoFröhlich, Kristina, Alexander Pogoreltsev y Christoph Jacobi. "The 48 Layer COMMA-LIM Model: model description, new aspects, and climatology". Wissenschaftliche Mitteilungen des Leipziger Instituts für Meteorologie ; 30 = Meteorologische Arbeiten aus Leipzig ; 8 (2003), S. 157-185, 2003. https://ul.qucosa.de/id/qucosa%3A15247.
Texto completoCOMMA-LIM (Cologne Model of the Middle Atmosphere - Leipzig Institute for Meteorology) is a 3D-mechanistic gridpoint model extending up from 0 to 135 km with a logharithmic vertical coordinate z = -H ln(p=p0), where H=7 km and p0 is the reference pressure at lower boundary. The resolution of the 24 layer version has been increased to 48 layers and several improvements are made in the parameterisation of radiative processes, heating/cooling due to atmospheric waves and turbulence, as well as in the numerical realization of the horizontal diffusion and filtering. This description is divided into the section describing the changes in the dynamical part and the modifications in radiation routines. After all, the seasonal climatologies will be shown and discussed to demonstrate what the COMMA-LIM is capable of reproducing.
Preacher, Kristopher J. "The Role of Model Complexity in the Evaluation of Structural Equation Models". The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1054130634.
Texto completoWright, Philip A. "Rapid development of VHDL behavioral models". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-11102009-020056/.
Texto completoIlg, Patrick Ilg Patrick Ilg Patrick Ilg Patrick. "Reduced description of kinetic models of polymer dynamics /". [S.l.] : [s.n.], 2001. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=14256.
Texto completoPooley, R. J. "Formalising the description of process based simulation models". Thesis, University of Edinburgh, 1995. http://hdl.handle.net/1842/11271.
Texto completoSchmitt, Miriam. "Microscopic description of magnetic model compounds". Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-110282.
Texto completoAbdurahiman, Vakulathil. "Towards inducing a simulation model description". Thesis, Brunel University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239138.
Texto completoPiro, Robert. "Model-theoretic characterisations of description logics". Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/9317/.
Texto completoHossain, Mohammad Sahadet. "Numerical Methods for Model Reduction of Time-Varying Descriptor Systems". Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-74776.
Texto completoBenn, David E. "Model-based feature extraction and classification for automatic face recognition". Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324811.
Texto completoKiernan, Patrick James. "Models of conversation and narrative : towards a pedagogical description". Thesis, University of Birmingham, 2008. http://etheses.bham.ac.uk//id/eprint/170/.
Texto completoArdeishar, Raghu. "Automatic verification of VHDL models". Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03032009-040338/.
Texto completoChadha, Vikrampal. "Simulation of large-scale system-level models". Thesis, This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-12162009-020334/.
Texto completoScheithauer, Gregor [Verfasser] [Akademischer Betreuer]. "A Service Description Method for Service Ecosystems - Meta Models, Modeling Notations, and Model Transformations / Gregor Scheithauer. Betreuer: Gregor Scheithauer". Bamberg : Universitätsbibliothek der Universität Bamberg, 2011. http://d-nb.info/1014896738/34.
Texto completoKöhler, Marcus. "Linklets - Formal Function Description and Permission Model". Master's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-83380.
Texto completoBjörkholm, Patrik. "Method for recognizing local descriptors of protein structures using Hidden Markov Models". Thesis, Linköping University, The Department of Physics, Chemistry and Biology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11408.
Texto completoBeing able to predict the sequence-structure relationship in proteins will extend the scope of many bioinformatics tools relying on structure information. Here we use Hidden Markov models (HMM) to recognize and pinpoint the location in target sequences of local structural motifs (local descriptors of protein structure, LDPS) These substructures are composed of three or more segments of amino acid backbone structures that are in proximity with each other in space but not necessarily along the amino acid sequence. We were able to align descriptors to their proper locations in 41.1% of the cases when using models solely built from amino acid information. Using models that also incorporated secondary structure information, we were able to assign 57.8% of the local descriptors to their proper location. Further enhancements in performance was yielded when threading a profile through the Hidden Markov models together with the secondary structure, with this material we were able assign 58,5% of the descriptors to their proper locations. Hidden Markov models were shown to be able to locate LDPS in target sequences, the performance accuracy increases when secondary structure and the profile for the target sequence were used in the models.
MOREIRA, ANDRE DE SOUZA. "REVERSE ENGINEERING FOR CAD MODELS USING SHAPE DESCRIPTORS AND SUPPORT VECTOR MACHINE". PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=25821@1.
Texto completoCONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO
Modelos CAD 3D têm desempenhado um importante papel no gerenciamento de projetos de engenharia. Em vários desses modelos é perceptível a presença de diversos objetos com representações implícitas sendo representados por malhas triangulares. Ainda que apropriada para o rendering, a utilização de malhas triangulares traz consigo algumas desvantagens, como a ambiguidade em objetos pouco discretizados. A engenharia reversa visa a reconstrução dessa representação discreta em sua representação contínua original. Neste trabalho, propomos uma metodologia para a reconstrução de geometrias em modelos CAD utilizando Support Vector Machines e Descritores de Forma.
3D CAD Models have played an important role in engineering projects management. It is noticeable in many of these files the presence of several objects with implicit representation that end up being represented as triangular meshes. Although suitable for rendering, the triangular mesh representation brings some drawbacks, such as the ambiguity in objects with low discretization rate. The reverse engineering aims to reconstruct this discrete representation to its original continuous representation. In this work, we propose a novel methodology for geometry reconstruction in CAD models using Support Vector Machines and Shape Descriptors.
Fard, Ali Ataei. "Room Function Program and Technical Description : Interaction with BIM Models". Thesis, Mittuniversitetet, Avdelningen för informations- och kommunikationssystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-29969.
Texto completoThadani, Sunil. "Constructing functional models of a device from its structural description /". The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487854314873138.
Texto completoCalhoun, Karen. "Redesign of Library Workflows: Experimental Models for Electronic Resource Description". the Library of Congress, 2000. http://hdl.handle.net/10150/105094.
Texto completoRao, Sanat R. "A hierarchical approach to effective test generation for VHDL behavioral models". Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-08042009-040513/.
Texto completoSrihi, Hajer. "Stratégies de stabilité en position assise chez les personnes vivant avec une lésion de la moelle épinière : de l’estimation utilisant des modèles descripteurs quasi-LPV à la validation expérimentale". Electronic Thesis or Diss., Valenciennes, Université Polytechnique Hauts-de-France, 2023. http://www.theses.fr/2023UPHF0041.
Texto completoSpinal cord injury leads to a partial or complete loss of muscular activity and sensory functions below the level of injury, this damage to the spinal cord leads to a drastic reduction in postural stability in a sitting position and consequently a high risk of falling (Boswell-Ruys et al., 2010; Nelson et al., 2010).The consequences of the injury are significant and are sensorimotor, cardiovascular, respiratory and digestive. The impact of the injury on the vertebral stabilizing system leads to new stabilization strategies, in case of disturbance, which are different from the strategies implemented by asymptomatic subjects. These strategies, which compensate for the lack of sublesionel control, are essentially based on the movements of the upper limbs.Understanding these strategies as well as quantifying the resulting joint forces are necessary in order to assess the impact of the injury and propose news methods facilitating the control of seated stability.One of the challenges is knowing how to ‘’return’’ to the variables that generate these efforts, the joint torques, data which are not measured and cannot be measured. A way of doing that, an alternative to the ‘’classic’’ inverse dynamics, has been exploited in previous work (Blandeau, 2018). It consists, from a biomechnical model, of using observation techniques to reconstruct these unknown inputs. The formalism used is a so-called Takagi-Sugeno formalism in order to describe nonlinear systems in a polytopic manner. The description used is of descriptor type, because it lends itself well to mechanical models by reducing the complexity of the conditions obtained (Estrada-Manzo, 2015).A test compaign carried out at the CRIR in Montreal (Blandeau, 2018) made it possible to collect numerous data on the sitting posture of people with spinal cord injuries. Only part of these tests could be analyzed because the ‘’Seated-3-Segments’’ (S3S) model used is not able to describe all the situations encountered, for example asymmetry in arm movements.There are several challenges:Enriching existing models, in particular the S3S model (Blandeau, 2018), knowing that the ‘’direct’’ resolution with an observer from this type of model is already close to the limitations of current solvers.Arrive at solutions which are relevant (at a minimum which use biomechanical models without simplification), compatible with the possibilities of the solvers and sufficiently generic so are not to require redoing a complete study if additional degrees of freedom are added. To fulfil these challenges, proposals for cascaded nonlinear observers are made. To show the merits of the approach, the results are first compared to the existing one (S3S) before being extended to models using additional degrees of freedom including ‘’Trunk-2-Arms’’ (T2A) for which the previous methodology cannot provide solutions. T2A make it possible in particular to exploit tests involving asymmetry in upper limbs movements. In the following stages, it remains to introduce rotations, particularly at the level of the shoulders to approximate the real movements carried out by the subject. The methodology used seems perfectly suited to carry out this extension.Finally, a mannequin equipped with all the necessary actuators and sensors to reproduce the movements of a person in seated position will be used, this time with the possibility of validating the reconstructed joint torques, by directly comparing them to those produced
Blanckenberg, Jacobus Petrus. "Skyrme model description of heavy baryons with strangeness". Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/96953.
Texto completoShamardin, A. V. "Exchange anisotropy: phenomenological description and a simple model". Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/40676.
Texto completoLoizillon, Guillaume. "Modes de description des sons et synthese sonore". Paris 8, 1996. http://www.theses.fr/1996PA081164.
Texto completoSOUND IS DEFINED AS THE JUNCTION BETWEEN A PHYSICAL PHENOMENON AND PHYSIOLOGICAL A PSYCHOLOGICAL REALITY. MEANWHILE, ONLY THE AUDITIVE PERCEPTION - ESTABLISHES ACOUSTIC PHENOMENON ITS SOUNDING SPECIFICITY. LINKING PHYSICAL DIMENSIONS WITH ELEMENTS OF HEARING IS A RESTRICTED IDEA. LEADING WORKS IN PSYCHOACOUSTIC SHOW THAT AUDITION CANNOT BE REDUCED TO THIS CONCEPT. SOUNDS HAVE TO BE CONSIDERED AS THE ELEMENTS OF AN AUDITION SCENE OF WHICH MUSIC IS A SPECIFIC CASE. THUS, IT IS NECESSARY TO ANALYSE SPECIFICITIES OF MUSICAL SOUND, FOLLOWING THE HISTORICAL WAY THAT LEAD TO A DEFINITION ARTICULATED AROUND PARAMETERS OF PITCH, DURATION, INTENSITY AND TIMBRE. THIS LAST DIMENSION APPEARS AS A CENTRAL VALUE IN CONTEMPORARY MUSIC. THIS TRANSITION FROM A MUSIC OF PITCH TO A MUSIC OF TIMBRE, TAKES A DECISIVE DIMENSION with THE BIRTH OF ELECTRICAL SOUND TECHNICS. IN THE TIME OF ONE CENTURY THOSE TECHNICS BROUGHT MUSICIANS A COLLECTION OF TOOLS THAT USES THE CAPACITIES OF SOUND TRANSFORMED IN ELECTRICITY THEN IN DIGITAL INFORMATION. AMONG THOSE RESSOURCES, THE SECOND PART OF THIS WORK TAKES SOUND SYNTHESIS AS SUBJECT. WE DISCUSS IN THIS PART OF DIFFERENT SYNTHESIS METHODS AND WE SHOW DIFFERENT PROGRAMMING EXAMPLES, SEPARATED IN TWO CATEGORIES. METHODS OF SIGNAL SYNTHESIS IN WHICH ALL THE PARAMETERS OF ACOUSTIC WAVES MUST BE SPECIFIED. PHYSICAL MODELING WHERE THE INTERACTION BETWEEN OBJECTS LIKE STRING, PLATE, TUBE, MASS, IS DESCRIBED BEYOND A TECHNICAL PROCESS, THE GOAL OF THIS WORK IS TO DEMONSTRATE THAT SOUND SYNTHESIS IS A GENUINE PART OF MUSICAL COMPOSITION TERRITORY. IT WOULD BE A MISTAKE TO REGARD ONLY AS A TECHNOLOGICAL PRODUCT
Gunderson, Steinar Heimdal. "Musical descriptors : An assessment of psychoacoustical models in the presence of lossy compression". Thesis, Norwegian University of Science and Technology, Department of Electronics and Telecommunications, 2007. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9524.
Texto completoA simple system for recognizing music is presented, based on various musical descriptors, numbers that describe some aspect of the music. Various descriptors are discussed; in particular, a novel descriptor, the floor-1 cepstral coefficient (F1CC) measure, a refinement of MFCCs based on the Vorbis psychoacoustical model is presented and evaluated. Also, various forms of statistical dimensionality reduction, among them PCA and LDA, are considered in the present context. Finally, a few directions for future work are discussed.
Gadagkar, Ashish. "Timing distribution in VHDL behavioral models". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10102009-020318/.
Texto completoPan, Bi-Yu. "Hierarchical test generation for VHDL behavioral models". Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09052009-040449/.
Texto completoZamora, Ramírez William J. "Toward Refined Theoretical Models for the Description of Lipophilicity in Biomolecules". Doctoral thesis, Universitat de Barcelona, 2019. http://hdl.handle.net/10803/666014.
Texto completoLa lipofilicidad es un descriptor fisicoquímico clave utilizado para comprender el perfil biológico de los compuestos (bio)orgánicos, xenobióticos y una amplia variedad de procesos bioquímicos, farmacológicos y toxicológicos. Esta propiedad se estima a partir del coeficiente de reparto entre ambientes acuosos y no acuosos para compuestos neutros (PN) y corregido para la dependencia del pH de los compuestos ionizables como el coeficiente de distribución (D). En este contexto, en esta tesis doctoral se usó el modelo de solvatación continua de Miertus-Scrocco-Tomasi para verificar la idoneidad de algunos formalismos reportados y propuestos para estimar el coeficiente de distribución para un conjunto de pequeños compuestos ácidos y básicos. Los resultados indican que, en general, el modelo simple de dependencia del pH del compuesto ionizable en agua es suficiente para predecir la partición en o alrededor del pH fisiológico. Sin embargo, a valores extremos de pH, donde predominan las especies iónicas, los modelos más elaborados proporcionan una mejor predicción de las curvas de distribución dependientes del pH del log D, tanto para compuestos ácidos como básicos, así como para análogos de aminoácidos. Se propusieron nuevos tratamientos teóricos para el perfil de lipofilicidad de compuestos ionizables para explicar la electroneutralidad en las fases del sistema n-octanol/agua. En este contexto, se utilizó la teoría de la transferencia de iones a través de la interfase entre dos disoluciones de electrólitos inmiscibles (ITIES por sus siglas en inglés). Se están llevando a cabo investigaciones experimentales para ver el alcance de los formalismos desarrollados en esta tesis. Aprovechando los resultados exitosos en pequeños compuestos, se construyó una escala de lipofilicidad adaptada a diferentes condiciones de pH para los 20 aminoácidos naturales. La dependencia del entorno se introdujo a partir de la biblioteca conformacional dependiente del “backbone” de Dunbrack utilizando dos esquemas de ponderación para los rotámeros: el esquema lipofílico tipo solvente (SolvL) y tipo proteíco (ProtL). La veracidad de nuestra escala se corroboró con correlaciones exitosas con otras escalas experimentales ya consolidadas. La caracterización de péptidos cortos desordenados (valores de tiempos de retención en “RP-HPLC”, log PN y log D7.4) fue mejor descrita utilizando el primer esquema, y las propiedades biológicas de los péptidos con estructura tridimensional disponible (lipofilicidad dependiente del contexto local y energías libres de unión) con la segunda. Nuestra escala teórica de lipofilicidad se caracterizó por su versatilidad y adaptabilidad, lo que le confiere un carácter unificador. Los estudios futuros abordarán la aplicación de esta metodología al cálculo de parámetros lipofilicos para aminoácidos no proteogénicos, otras conformaciones de los residuos actuales (prolina cis) y otros fragmentos relevantes para las proteínas. Por otro lado, la aplicabilidad de la escala versátil actual es amplia y prometedora, incluyendo, por ejemplo, el uso como ponderantes para protocolos de acoplamiento de proteína-proteína, entre otros.
Sitepu, Husinsyah. "March-type models for the description of texture in granular materials". Thesis, Curtin University, 1998. http://hdl.handle.net/20.500.11937/2314.
Texto completoSitepu, Husinsyah. "March-type models for the description of texture in granular materials". Curtin University of Technology, School of Physical Sciences, 1998. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=10543.
Texto completopromising in terms of deducing the powder bulk modulus from the March r-parameter.An additional test of the March model was made with NPD data for specimens mounted, first, parallel to the instrument rotation axis and, then, normal to the axis. The results have provided some further indication that the March model is deficient for the materials considered in the study.During the course of the study, it was found that there are distinct differences between the direction of the near-surface texture in calcite, as measured by XRPD, and bulk texture characterised by NPD. The NPD-derived textures appear to be correct descriptions for the bulk material in uniaxially-pressed powders, whereas the XRPD textures are heavily influenced by the pressing procedure.An additional outcome of the NPD work has been the discovery, made jointly with Dr Brett Hunter of ANSTO, that the popular LHPM Rietveld code did not allow for inclusion of PO contributions from symmetry-equivalent reflections. Revision of the code by Dr Hunter showed that there is substantial bias in Rietveld-March r-parameters if these reflections are not factored correctly into the calculations.Finally, examination of pole-figure data has underlined the extent to which the March model oversimplifies the true distributions. It is concluded that spherical harmonics modelling should be used rather than the March model as a general PO modelling tool.
Giannopoulos, Vassilis. "Efficient VHDL models for various PLD architectures /". Online version of thesis, 1995. http://hdl.handle.net/1850/12238.
Texto completoVoukelatos, Dimitrios. "Mathematical description of in-vivo muscle function". Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/21772.
Texto completoReddy, Badinehal Asrith. "COMMERCIALIZATION OF A QUANTITATIVE STRUCTURE ACTIVITY RELATIONSHIP TOOL - SARCHITECT". Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1295637833.
Texto completoSu, Yong. "Mathematical modeling with applications in high-performance coding". Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1127139848.
Texto completoTitle from first page of PDF file. Document formatted into pages; contains xiv, 130 p.; also includes graphics (some col.). Includes bibliographical references (p. 125-130). Available online via OhioLINK's ETD Center
Aherfi, Sarah. "Famille des Marseilleviridae : étude de la pathogénicité potentielle et description du pan-génome". Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM5024.
Texto completoMarseilleviridae is a new family of giant viruses primarily isolated from environmental samples and whose Marseillevirus is the founding member. The presence of marseilleviruses in humans has been demonstrated in few studies. The aims are to better document the presence of marseilleviruses in humans, to develop a model of infection of mice with Marseillevirus, and to describe the genomes of marseilleviruses. We report a first caes of infection by Marseillevirus in apatient with a lymph nodes cancer, raising the question of a potential link between Marseillevirus and cancer, as the well established association between some viruses and cancers. The infection of miceshows that Marseillevirus persist one month in the “tonsils”, confirming the chronic pharyngeal carriage reported in a second patient. Finally, we identify two new subgroups in the family, highlighting the considerable genetic diversity of the family
Arica, Nafiz. "Shape: Representation, Description, Similarity And Recognition". Phd thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/3/1068873/index.pdf.
Texto completoDias, Moreira De Souza Fillipe. "Semantic Description of Activities in Videos". Scholar Commons, 2017. http://scholarcommons.usf.edu/etd/6649.
Texto completoSaudagar, Abdullah Naseer Ahmed. "Automatic Extraction of Highlights from a Baseball Video Using HMM and MPEG-7 Descriptors". Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc103388/.
Texto completoSokolov, Andrei P., C. Adam Schlosser, Stephanie Dutkiewicz, Sergey Paltsev, David W. Kicklighter, Henry D. Jacoby, Ronald G. Prinn et al. "MIT Integrated Global System Model (IGSM) Version 2: Model Description and Baseline Evaluation". MIT Joint Program on the Science and Policy of Global Change, 2005. http://hdl.handle.net/1721.1/29789.
Texto completoAbstract in HTML and technical report in PDF available on the Massachusetts Institute of Technology Joint Program on the Science and Policy of Global Change website (http://mit.edu/globalchange/www/).
This research was supported by the U.S Department of Energy, U.S. Environmental Protection Agency, U.S. National Science Foundation, U.S. National Aeronautics and Space Administration, U.S. National Oceanographic and Atmospheric Administration; and the Industry and Foundation Sponsors of the MIT Joint Program on the Science and Policy of Global Change: Alstom Power (France), American Electric Power (USA), BP p.l.c. (UK/USA), Chevron Corporation (USA), CONCAWE (Belgium), DaimlerChrysler AG (Germany), Duke Energy (USA), J-Power (Japan), Electric Power Research Institute (USA), Electricité de France, ExxonMobil Corporation (USA), Ford Motor Company (USA), General Motors (USA), Murphy Oil Corporation (USA), Oglethorpe Power Corporation (USA), RWE Power (Germany), Shell Petroleum (Netherlands/UK), Southern Company (USA), Statoil ASA (Norway), Tennessee Valley Authority (USA), Tokyo Electric Power Company (Japan), Total (France), G. Unger Vetlesen Foundation (USA).