Dissertations / Theses on the topic 'Adaptive filtering'
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Haglund, Leif. "Adaptive Multidimensional Filtering." Doctoral thesis, Linköpings universitet, Bildbehandling, 1991. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-54339.
Full textAdriannse, Robert. "Adaptive local statistics filtering." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq21530.pdf.
Full textChambers, Brian D. "Adaptive Bayesian information filtering." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0007/MQ45945.pdf.
Full textRangarao, Kaluri Venkata. "Adaptive digital notch filtering." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/26345.
Full textXie, Bei. "Partial Update Adaptive Filtering." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/26670.
Full textPh. D.
Kshonze, Kristopher. "Adaptive filtering with systolic arrays." Thesis, University of Ottawa (Canada), 1988. http://hdl.handle.net/10393/5456.
Full textFertig, Louis B. "Dual forms for constrained adaptive filtering." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/15642.
Full textBaykal, Buyurman. "Underdetermined recursive least-squares adaptive filtering." Thesis, Imperial College London, 1995. http://hdl.handle.net/10044/1/7790.
Full textFaghih, Farshad. "Adaptive wavelet-based noise filtering techniques." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ38627.pdf.
Full textWilstrup, Steven L. "Adaptive algorithms for two dimensional filtering." Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/22855.
Full textHawes, Anthony H. "Least squares and adaptive multirate filtering." Thesis, Monterey, California. Naval Postgraduate School, 2012.
Find full textThis thesis addresses the problem of estimating a random process from two observed signals sampled at different rates. The case where the low-rate observation has a higher signal-to- noise ratio than the high-rate observation is addressed. Both adaptive and non-adaptive filtering techniques are explored. For the non-adaptive case, a multirate version of the Wiener-Hopf optimal filter is used for estimation. Three forms of the filter are described. It is shown that using both observations with this filter achieves a lower mean-squared error than using either sequence alone. Furthermore, the amount of training data to solve for the filter weights is comparable to that needed when using either sequence alone. For the adaptive case, a multirate version of the LMS adaptive algorithm is developed. Both narrowband and broadband interference are removed using the algorithm in an adaptive noise cancellation scheme. The ability to remove interference at the high rate using observations taken at the low rate without the high-rate observations is demonstrated.
Nambiar, Raghu. "Learning algorithms for adaptive digital filtering." Thesis, Durham University, 1993. http://etheses.dur.ac.uk/5544/.
Full textPasquato, Lorenzo. "Adaptive filtering with balanced model truncation." Thesis, University of Westminster, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251702.
Full textZhahir, Md Amzari. "Adaptive filtering applications to satellite navigation." Thesis, Queen Mary, University of London, 2010. http://qmro.qmul.ac.uk/xmlui/handle/123456789/364.
Full textWeiss, S. "On adaptive filtering in oversampled subbands." Thesis, University of Strathclyde, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.561417.
Full textJelfs, Beth. "Collaborative adaptive filtering for machine learning." Thesis, Imperial College London, 2009. http://hdl.handle.net/10044/1/5598.
Full textHawes, Anthony H. "Least squares and adaptive multirate filtering /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03sep%5FHawes.pdf.
Full textThesis advisor(s): Charles W. Therrien, Roberto Cristi. Includes bibliographical references (p. 45). Also available online.
Sridharan, M. K. "Subband Adaptive Filtering Algorithms And Applications." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/266.
Full textSridharan, M. K. "Subband Adaptive Filtering Algorithms And Applications." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/266.
Full textHutchinson, James H. "Reduced-order adaptive control." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-05022009-040532/.
Full textZhang, Jie. "Blind adaptive cyclic filtering and beamforming algorithms /." *McMaster only, 2001.
Find full textTorgrimsson, Jan. "Adaptive filtering of VLF data from space." Thesis, KTH, Rymd- och plasmafysik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91544.
Full textMayyass, Khaled A. "Gradient adaptive digital filtering: Problems and solutions." Thesis, University of Ottawa (Canada), 1995. http://hdl.handle.net/10393/9498.
Full textKhan, Imran. "Personal adaptive web agent for information filtering." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq23361.pdf.
Full textMarath, Ajitha T. "Adaptive user modeling for filtering electronic news." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0015/MQ57309.pdf.
Full textPapoulis, Eftychios. "Structures and algorithms for subband adaptive filtering." Thesis, Imperial College London, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.429497.
Full textFee, D. T. "Dereverberation of acoustic signals via adaptive filtering." Thesis, Queen's University Belfast, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438629.
Full textTalebi, Sayedpouria. "Adaptive filtering algorithms for quaternion-valued signals." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/44568.
Full textMaloney, Thomas C. "Adaptive Array-Gain Spatial Filtering in Magnetoencephalography." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1273001694.
Full textSathe, Vinay Padmakar Vaidyanathan P. P. Vaidyanathan P. P. "Multirate adaptive filtering algorithms : analysis and applications /." Diss., Pasadena, Calif. : California Institute of Technology, 1991. http://resolver.caltech.edu/CaltechETD:etd-07122007-103754.
Full textYang, Jia-Horng. "Robust adaptive control using a filtering action." Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/dissert/2009/Sep/09Sep_Yang_PhD.pdf.
Full textDissertation Advisor(s): Cristi, Roberto. "September 2009." Description based on title screen as viewed on November 6, 2009. Author(s) subject terms: low pass filter, L1 adaptive controller, unmodeled dynamics, non-minimum phase, PID feedback, flexible problems. Includes bibliographical references (p. 95-102). Also available in print.
Oddiraju, Swetha. "Improving performance for adaptive filtering with voice applications." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/6271.
Full textThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 29, 2008) Includes bibliographical references.
Almosallam, Ibrahim Ahmad Shang Yi. "A new adaptive framework for collaborative filtering prediction." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5630.
Full textThe entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on August 22, 2008) Includes bibliographical references.
Andersson, Mats, and Hans Knutsson. "Adaptive Spatio-temporal Filtering of 4D CT-Heart." Linköpings universitet, Medicinsk informatik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92725.
Full textRamachandran, Ravi P. "Pitch filtering in adaptive predictive coding of speech." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65345.
Full textBoudreau, Daniel. "Joint time delay estimation and adaptive filtering techniques." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70177.
Full textOakman, Amere. "Dynamic non-uniform filterbanks for subband adaptive filtering." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406180.
Full textKim, Dai Il. "Transform layered stochastic gradient-type adaptive filtering structures." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394382.
Full textJaffer, Sadiq. "Noise adaptive particle filtering for mobile robot applications." Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/34557/.
Full textKabbara, Jad. "Kernel adaptive filtering algorithms with improved tracking ability." Thesis, McGill University, 2014. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123272.
Full textAu cours des dernières années, il y a eu un intérêt accru pour les méthodes à noyau dans des domaines tels que l'apprentissage automatique et le traitement du signal, puisque ces méthodes démontrent une performance supérieure dans la résolution des problèmes de classification et de régression. D'intéressantes extensions à noyau de plusieurs algorithmes connus en intelligence artificielle et en traitement du signal ont été introduites, particulièrement, les versions à noyau du fameux algorithme d'apprentissage incrémental des moindres carrés récursifs (en anglais, Recursive Least Squares (RLS)), nommées KRLS. Ces algorithmes ont reçu une attention considérable durant la dernière décennie dans les problèmes d'estimation statistique, particulièrement ceux de suivi des systèmes variant dans le temps. Les algorithmes KRLS forment le régresseur aux moindres carrés non-linéaires en utilisant une combinaison linéaire de noyaux évalués aux membres d'un sous-ensemble, appelé dictionnaire, des données d'entrée. Le nombre des coefficients dans la combinaison linéaire, c'est à dire les poids, est égal à la taille du dictionnaire. Ce couplage entre le nombre de poids et la taille du dictionnaire introduit un compromis. D'une part, un dictionnaire de grande taille reflète avec précision la dynamique de la relation entre les données d'entrée et les sorties à travers le temps. De l'autre part, un tel dictionnaire diminue la capacité de l'algorithme à suivre les variations dans cette relation, car ajuster un grand nombre de poids ralentit considérablement l'adaptation de l'algorithme aux variations du système. Dans cette thèse, nous présentons un nouvel algorithme KRLS conçu précisément pour suivre les systèmes variant dans le temps. L'idée principale de l'algorithme est d'enlever la dépendance du nombre de poids sur la taille du dictionnaire. Ainsi, nous proposons de fixer le nombre de poids indépendamment de la taille du dictionnaire.Particulièrement, nous présentons une nouvelle approche hybride pour la construction du dictionnaire qui emploie le test de la surprise pour l'admission des données d'entrées avec une méthode simple d'élagage (l'élimination du membre le plus ancien du dictionnaire) qui impose une limite stricte sur la taille du dictionnaire. Nous proposons ainsi de construire un régresseur "K-creux" (en anglais, K-sparse) aux moindres carrés qui suit la relation des paires de données d'entrées et sorties les plus récentes en utilisant les K membres du dictionnaire qui approximent le mieux possible les sorties. L'identification de ces membres est un problème d'optimisation combinatoire ayant une complexité prohibitive. Pour surmonter cet obstacle, nous étendons l'algorithme Subspace Pursuit (SP), qui est une méthode à complexité réduite pour le calcul des solutions aux moindres carrés ayant un niveau préfixé de parcimonie, aux problèmes de régression non-linéaire. Ainsi, nous introduisons une version à noyau de SP qu'on appelle Kernel Subspace Pursuit (KSP). L'algorithme standard KRLS est utilisé pour l'ajustement récursif des poids jusqu'à ce qu'un nouveau vecteur de donnée soit admis au dictionnaire. Les simulations démontrent que la performance de notre algorithme dans le cadre du suivi des systèmes variant dans le temps surpasse celle d'autres algorithmes KRLS.
Tam, Pik Shan. "Constrained adaptive filtering and application to sound equalisation." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.398604.
Full textLudwig, Jeffrey Thomas 1968. "Low power digital filtering using adaptive approximate processing." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/42766.
Full textIncludes bibliographical references (p. 167-173).
by Jeffrey Thomas Ludwig.
Ph.D.
Lampl, Tanja. "Implementation of adaptive filtering algorithms for noise cancellation." Thesis, Högskolan i Gävle, Avdelningen för elektroteknik, matematik och naturvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-33277.
Full textBurns, Clinton Wyatt. "Development Towards the use of Beamforming and Adaptive Line Enhancers for Audio Detection of Quadcopters." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/84522.
Full textMaster of Science
Birkett, A. Neil. "Nonlinear adaptive filtering with application to acoustic echo cancellation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ26845.pdf.
Full textAdamo, Ronald C. "Adaptive windows via Kalman filtering in the spectral domain." Thesis, Monterey, California. Naval Postgraduate School, 1991. http://hdl.handle.net/10945/27934.
Full textSilva, Rodrigo Cardoso da. "Filtering and adaptive control for balancing a nanosatellite testbed." reponame:Repositório Institucional da UnB, 2018. http://repositorio.unb.br/handle/10482/34210.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) e Fundação de Apoio à Pesquisa do Distrito Federal (FAPDF).
O Laboratório de Aplicação e Inovação em Ciências Aeroespaciais (LAICA) da Universidade de Brasília (UnB) está desenvolvendo uma plataforma de testes de nanossatélites capaz de simular condições ambientais vistas no espaço, especialmente no que diz respeito ao campo magnético da Terra em órbitas, o movimento rotational livre de atrito e o torque gravitacional baixo. Essa plataforma compreende vários subsistemas, tais como uma mesa com rolamento a ar, na qual nanossatélites são montados para teste de seus subsistemas; uma gaiola de Helmholtz, responsável por simular o campo magnético da Terra presente em vários tipos de órbita, especialmente órbitas de baixa altitude (LOE), que são as mais comuns para nanossatélites; sistemas de atuação, tais como rodas de reação e atuadores magnéticos, usados para estudar estratégias de controle de atitude, e sistemas de determinação de atitude, tais como aqueles baseados em telemetria embarcada ou visão computacional. A mesa com rolamento a ar é a parte responsável por fornecer o movimento livre de atrito com três graus de liberdade rotacionais. Ademais, para fornecer o requisito de torque gravitacional baixo, um método deve ser desenvolvido para balancear a mesa com rolamento a ar. Neste trabalho, foco é dado para a solução desse problema. Vários métodos para balanceamento da plataforma de testes do LAICA são apresentados, especialmente quanto às soluções de filtragem, como aquelas que utilizam o filtro de Kalman e suas variações, e esquemas de controle adaptativo, auxiliados pela teoria de Lyapunov. A performance dos métodos de balanceamento propostos é avaliada por meio de simulações e experimentos.
The Laboratory of Application and Innovation in Aerospace Science (LAICA) of the University of Brasília (UnB) is developing a nanosatellite testbed capable of simulating the environment conditions seen in space, specially regarding the Earth magnetic field in orbits, the frictionless rotational movement and the low gravitational torque. This testbed comprises various subsystems, such as an air bearing table, on which nanosatellites are mounted for testing its subsystems; a Helmholtz cage, responsible for simulating the Earth magnetic field present in various kinds of orbit, specially Low Earth Orbits, which is the most common for nanosatellites; actuation systems, such as reaction wheels and magnetorquers, used to study attitude control strategies, and attitude determination systems, such as those based on embedded telemetry or computer vision. The air bearing table is the part responsible for providing the frictionless movement with three rotational degrees of freedom. Also, for providing the low gravitational torque requisite, a method must be developed for balancing the air bearing table. In this work, focus is given for solving this problem. Various methods for balancing the LAICA testbed are presented, specially regarding filtering solutions, such as those using the Kalman Filter and its variations, and adaptive control schemes, aided by the Lyapunov theory. The performance of the proposed balancing methods is evaluated through simulations and experiments.
Goertz, Michael Brian 1978. "A reduced complexity adaptive filtering system for directional listening." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/86712.
Full textIncludes bibliographical references (leaves 71-72).
by Michael Brian Goertz.
M.Eng.
Nadakuditi, Rajesh Rao. "A channel subspace post-filtering approach to adaptive equalization." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/87613.
Full textIncludes bibliographical references (p. 151-154).
by Rajesh Rao Naduditi.
S.M.
Kapanipathi, Pavan. "Personalized and Adaptive Semantic Information Filtering for Social Media." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1464541093.
Full text