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Dissertations / Theses on the topic 'MRAS TECHNIQUE'

Author: Grafiati

Published: 11 September 2023

Last updated: 19 July 2025

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1

Rivera, Frances. "The Use of Proteomic Techniques to Study the Physiology and Virulence of Staphylococcus aureus." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3603.

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Staphylococcus aureus is a bacterial pathogen that is believed to be the most common agent of human infectious disease, causing conditions ranging from common skin lesions to life-threatening illnesses. S. aureus has also shown a remarkable ability to develop resistance to antimicrobial treatment, making infections difficult to treat. In the post-genomic era, proteomic studies analyzing the protein complement of a genome in a particular organism at any given time, have gained real significance. This result is largely due to dynamic changes in protein expression profiles which can lead wide al

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2

Akin, Bilal. "State Estimation Techniques For Speed Sensorless Field Oriented Control Of Induction Motors." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1055953/index.pdf.

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This thesis presents different state estimation techniques for speed sensorlees field oriented control of induction motors. The theoretical basis of each algorithm is explained in detail and its performance is tested with simulations and experiments individually. First, a stochastical nonlinear state estimator, Extended Kalman Filter (EKF) is presented. The motor model designed for EKF application involves rotor speed, dq-axis rotor fluxes and dq-axis stator currents. Thus, using this observer the rotor speed and rotor fluxes are estimated simultaneously. Different from the widely accepted use

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3

Besbes, Ahmed. "Image segmentation using MRFs and statistical shape modeling." Phd thesis, Ecole Centrale Paris, 2010. http://tel.archives-ouvertes.fr/tel-00594246.

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Nous présentons dans cette thèse un nouveau modèle statistique de forme et l'utilisons pour la segmentation d'images avec a priori. Ce modèle est représenté par un champ de Markov. Les noeuds du graphe correspondent aux points de contrôle situés sur le contour de la forme géométrique, et les arêtes du graphe représentent les dépendances entre les points de contrôle. La structure du champ de Markov est déterminée à partir d'un ensemble de formes, en utilisant des techniques d'apprentissage de variétés et de groupement non-supervisé. Les contraintes entre les points sont assurées par l'estimatio

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4

Lim, Tien Tze. "Molecular characterization of Malaysian methicillin-resistant Staphylococcus aureus." Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/2635.

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Seventy-four methicillin-resistant Staphylococcus aureus (MRSA) from two Malaysian hospitals were characterised by both phenotypic and genotypic techniques. These isolates were collected over an 18 year time period in the years, 1982, 1989, 1994 and 2000. All of the Malaysian MRSA isolates were found to be multiresistant and resistant to at least five different antimicrobial agents. Over 30% of them were non-typable by the International Basic Set of bacteriophages. The majority of the typable isolates were susceptible to the group III phages, especially phage 85. The majority of the isolates c

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5

Lim, Tien Tze. "Molecular characterization of Malaysian methicillin-resistant Staphylococcus aureus." Curtin University of Technology, School of Biomedical Sciences, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=17817.

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Seventy-four methicillin-resistant Staphylococcus aureus (MRSA) from two Malaysian hospitals were characterised by both phenotypic and genotypic techniques. These isolates were collected over an 18 year time period in the years, 1982, 1989, 1994 and 2000. All of the Malaysian MRSA isolates were found to be multiresistant and resistant to at least five different antimicrobial agents. Over 30% of them were non-typable by the International Basic Set of bacteriophages. The majority of the typable isolates were susceptible to the group III phages, especially phage 85. The majority of the isolates c

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6

Susic, Semir. "Beyond Good and Evil : An essay on the combination of ideas and aesthetics in George Bernard Shaw's Mrs Warren’s Profession." Thesis, Stockholm University, Department of History of Literature and History of Ideas, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-8314.

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<p>The objective of this essay is to approach a larger comprehension of the drama of George Bernard Shaw. The essay studies the combination of ideas and aesthetics in the play Mrs Warren’s Profession; how theatrical and mainly literary aesthetics interplay with political ideas and what the consequence of this combination is. The study illustrates that the dramatic method consists of using ideas as effective theatrical tools to move the reader/viewer by thought and not by sentiment. The study also illustrates that a key to understanding Shaw’s drama can be found in the construction of operas an

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7

Rao, Anita. "High resolution magnetic resonance angiography (mra) of the renal vasculature : development of improved acquisition and post- processing techniques /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487940308432037.

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8

Ortega-Martorell, Sandra. "On the use of advanced pattern recognition techniques for the analysis of MRS and MRSI data in neuro-oncology." Doctoral thesis, Universitat Autònoma de Barcelona, 2012. http://hdl.handle.net/10803/284491.

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El cáncer es una de las principales causas de muerte en el mundo. Los tumores cerebrales tienen una incidencia relativamente baja en comparación con otras patologías cancerígenas más generalizadas, pero la prognosis de algunos es muy pobre, contribuyendo significativamente a su morbilidad. La gestión clínica de una masa anormal en el cerebro es materia delicada y difícil, por lo que los expertos han de basarse en mediciones indirectas no invasivas de las características del tumor y de su crecimiento. En la práctica radiológica actual, estas mediciones se realizan a menudo mediante técnicas de

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9

Xiang, Bo. "Knowledge-based image segmentation using sparse shape priors and high-order MRFs." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2013. http://www.theses.fr/2013ECAP0066/document.

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Nous présentons dans cette thèse une approche nouvelle de la segmentation d’images, avec des descripteurs a priori utilisant des champs de Markov d’ordre supérieur. Nous représentons le modèle de forme par un graphe de distribution de points qui décrit les informations a priori des invariants de pose grâce à des cliques L1 discrètes d’ordre supérieur. Chaque clique de triplet décrit les variations statistiques locales de forme par des mesures d’angle,ce qui assure l’invariance aux transformations globales (translation, rotation et échelle). L’apprentissage d’une structure de graphe discret d’o

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10

Chakraa, Hamza. "Οptimisatiοn techniques fοr mοnitοring a high-risk industrial area by a team οf autοnοmοus mοbile rοbοts". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMLH29.

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Cette thèse explore le développement et la mise en œuvre d’algorithmes d’optimisation pour la surveillance de zones industrielles à l’aide d’une équipe de robots mobiles autonomes. Le travail de recherche se concentre sur l’allocation de tâches multi-robots (MRTA), où un plan de mission quasi-optimal doit être généré. Un nouveau modèle prenant en compte des robots et des tâches hétérogènes est proposé, utilisant des algorithmes génétiques (GA) et une méthode de recherche locale 2-Opt pour résoudre le problème. La thèse intègre également des stratégies d’évitement des collisions, qui deviennent

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11

Geremia, Ezequiel. "Spatial random forests for brain lesions segmentation in MRIs and model-based tumor cell extrapolation." Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00838795.

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The large size of the datasets produced by medical imaging protocols contributes to the success of supervised discriminative methods for semantic labelling of images. Our study makes use of a general and efficient emerging framework, discriminative random forests, for the detection of brain lesions in multi-modal magnetic resonance images (MRIs). The contribution is three-fold. First, we focus on segmentation of brain lesions which is an essential task to diagnosis, prognosis and therapy planning. A context-aware random forest is designed for the automatic multi-class segmentation of MS lesion

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12

Merveille, Odyssée. "RORPO : A morphological framework for curvilinear structure analysis; Application to the filtering and segmentation of blood vessels." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1056/document.

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L'analyse des structures curvilignes en 3 dimensions est un problème difficile en analyse d'images. En effet, ces structures sont fines, facilement corrompues par le bruit et présentent une géométrie complexe. Depuis plusieurs années, de nombreuses méthodes spécialement dédiées au traitement d'images contenant des structures curvilignes ont vu le jour. Ces méthodes concernent diverses applications en science des matériaux, télédétection ou encore en imagerie médicale. Malgré cela, l'analyse des structures curvilignes demeure une tâche complexe.Dans cette présentation nous parlerons de la carac

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13

Hakala, Tim. "Settling-Time Improvements in Positioning Machines Subject to Nonlinear Friction Using Adaptive Impulse Control." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/1061.

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A new method of adaptive impulse control is developed to precisely and quickly control the position of machine components subject to friction. Friction dominates the forces affecting fine positioning dynamics. Friction can depend on payload, velocity, step size, path, initial position, temperature, and other variables. Control problems such as steady-state error and limit cycles often arise when applying conventional control techniques to the position control problem. Studies in the last few decades have shown that impulsive control can produce repeatable displacements as small as ten nanomete

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14

SONKAR, AVINASH. "ROTOR RESISTANCE ESTIMATION USING REACTIVE POWER BASED MRAS TECHNIQUE OF VECTOR CONTROL OF INDUCTION MOTOR." Thesis, 2015. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16297.

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The induction motors are the most famous and widely used machines in most of the industrial as well as in domestic applications due to its simplicity and low cost. When the variable speed applications are required the induction machines are used. For induction machines, variable speed drives requires both fast torque response as well as wide operating range of speed. Indirect vector control of induction motor is somewhat predictive method, where the speed of the rotor flux is predicted from slip speed and rotor speed. The rotor speed may be obtained either from the estimation method or from sp

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15

Shao, Yueh-Po, and 邵約伯. "STDMA Timing Estimation Using MRA Technique and Its Application to AIS." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/78430941587411017656.

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碩士<br>國立海洋大學<br>導航與通訊系碩士班<br>91<br>In the VHF Digital Link, STDMA (Self-Organized Time Division Multiple Access) employs the GNSS (Global Navigation Satellite System) to fix the position and obtain the precision time simultaneously, and then utilizes the self-organization algorithm to allocate the time slot for data transmission. Without reliance on a master station, the mobile stations can communicate with each other more easily. Estimation of synchronization and STDMA Algorithm are the key issues for the STDMA based AIS (Automatic Identification System). In case of losing the prim

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16

Cronin, Allison Elaine. "Collections documentation : The art of Mrs. Gertie Tom." Thesis, 1995. http://hdl.handle.net/2429/3565.

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This thesis examines the documentation process of a collection of contemporary objects made by a Northern Tutchone artist, Mrs. Gertie Tom, from Whitehorse, Yukon Territory. The beaded moosehide objects were purchased by the University of British Columbia Museum of Anthropology between 1992 and 1994, and include a vest, a 'shell' belt, gloves, moccasins, mittens, and a hat. The documentation process included Mrs. Tom documenting her objects in her own words. This thesis investigates the steps, cost, and time involved in documenting the six objects. It also explores how object documenta

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17

Al-iedani, Oun. "Advanced magnetic resonance spectroscopic techniques for neurometabolic profiling of multiple sclerosis." Thesis, 2020. http://hdl.handle.net/1959.13/1414080.

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Professional Doctorate - Doctor of Philosophy (PhD)<br>Multiple sclerosis (MS) is an immune-mediated neuronal disorder in which inflammatory cells attack the myelin of the central nervous system, leading to varying extents of neuroaxonal injury, demyelination and gliosis by affecting both the brain and spinal cord. In the last few decades, conventional MRI techniques, sensitive at detecting MS plaques in the brain and spinal cord, have been the main imaging tool for diagnosis and on-going monitoring for MS pathology, reflecting inflammatory activity via T2 lesions and brain damage via atrophy

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18

Lin, I.-hsuan, and 林怡萱. "Use of data mining techniques in clinical care and management of patients with Methicillin-Resistant Staphylococcus aureus (MRSA) infections." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/80865587739232043697.

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碩士<br>國立高雄師範大學<br>人力與知識管理研究所<br>103<br>Methicillin-resistant Staphylococcus aureus (MRSA) is a multi-drug-resistant pathogenic bacteria that receive the most attention. Different strains of S. aureus can produce toxins and cause skin, wounds, osteomyelitis, pneumonia, bacteremia, and other infections. Infection is mainly spread through direct physical contact, skin wounds, crowded environment, and poor personal hygiene may also cause infection. Patients infected with MRSA bacteremia within 30 days mortality was 34%. Selection of antibiotics mainly depends on microbial culture and antibiotic se

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19

Pereira, Joana Rita Alves. "Investigation of the Excitatory / Inhibitory balance in neurodegenerative movement disorders: a 1H-MRS study." Master's thesis, 2021. http://hdl.handle.net/10316/98005.

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Dissertação de Mestrado Integrado em Engenharia Biomédica apresentada à Faculdade de Ciências e Tecnologia<br>As doenças neurodegenerativas incluem várias condições caracterizadas por uma degeneração contínua e acentuada dos neurónios no cérebro. A prevalência dessas doenças tem aumentado em todo o mundo e os tratamentos disponíveis são, na sua maioria, sintomáticos. Portanto, a carga física, emocional e económica para esses doentes e cuidadores é devastadora, enquanto a degeneração vai progredindo nos indivíduos afetados. As doenças neurodegenerativas do movimento, como a Doença de Parkinson

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20

Piedade, Cátia Marina Rodrigues da. "Avaliação do impacto económico da introdução de uma técnica rápida de biologia molecular para rastreio de MRSA." Master's thesis, 2020. http://hdl.handle.net/10362/119830.

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RESUMO - As infeções por MRSA estão associadas a altas taxas de mortalidade, doença prolongada e internamento hospitalar prolongado. Para diminuir as infeções por MRSA, a maioria das instituições realizam o rastreio de pacientes na admissão. O rastreio laboratorial de MRSA pode ser realizado através de diferentes metodologias, sendo as mais utilizadas a cultura em meios cromogénicos e as técnicas rápidas de biologia molecular. As primeiras apresentam um custo mais baixo, mas podem demorar até 48 horas a produzir resultados e as segundas são mais rápidas (2 horas) mas apresentam u

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