{"id":13614,"date":"2001-02-11T00:00:00","date_gmt":"2001-02-11T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/adaptive-algorithms-for-identificationi-and-equalization-using-recursive-filters\/"},"modified":"2001-02-11T00:00:00","modified_gmt":"2001-02-11T00:00:00","slug":"adaptive-algorithms-for-identificationi-and-equalization-using-recursive-filters","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/adaptive-algorithms-for-identificationi-and-equalization-using-recursive-filters\/","title":{"rendered":"Adaptive algorithms for identificationi and equalization using recursive filters"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Roberto Lopez Valcarce <\/strong><\/h2>\n<p>El filtrado adaptativo desempe\u00f1a un papel importante en aplicaciones del procesado de se\u00f1al tales como identificaci\u00f3n de sistemas, cancelaci\u00f3n de ruido y de eco, igualaci\u00f3n adaptativa, etc. Aunque el potencial de los filtros iir adaptativos para conseguir mejores prestaciones que los fir ha sido reconocido desde hace tiempo, la simplificad y robustez de los filtros fir adaptativos ha hecho de estos la solucion preferida en la mayoria de los casos. Los filtros iir adaptatvos presentan una serie de problemas que son consecuencia de la dependencia no lineal de la se\u00f1al de salida con los coeficientes del filtro, un producto de la presencia de realimentacion. entre estos problemas cabe mencioniar la presencia de minimos locales en la funcion de coste, convergencia lenta, sesgo en las soluciones en presencia de ruido, inestabilidad potencial, etc.  en esta tesis se analizan varios temas relacionados con el filtrado iir adaptativo. Dado que en toda aplicaci\u00f3n practica de estos sistemas es preciso que el filtro adaptativo se mantenga estable, se presta especial atenci\u00f3n a la estructura en cesolia normalizada la cual es estable incluso cuando sus coeficientes varian a lo largo del tiempo. Para ello se realiza un analisis de las propiedades de convergencia deuna serie de algoritmos para celos\u00edas propuestos anteriormente, del cual se desprende que estos esquemas puedan no converger incluso en situaciones ideales. Para paliar este problema se presenta una aproximaci\u00f3n sistematica a la transformacion de algoritmos en forma directa a celos\u00eda. Los esquemas en celos\u00eda resultantes son eficientes en cuanto a la potencia de calculo requerida, y en casos de orden suficiente mantienen las propiedades de convergencia local de los algoritmos en forma directa originales.  se presenta tambien un estudio de ciertos metodos de identificacion de sistemas, los cuales sirven como puntos de partida para el desarrollo de algoritmos adaptativos para filtros<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Adaptive algorithms for identificationi and equalization using recursive filters<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Adaptive algorithms for identificationi and equalization using recursive filters <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Roberto Lopez Valcarce <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/11\/2001<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Fernando Perez Gonzalez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: s.r. Diniz paulo <\/li>\n<li>Jos\u00e9 Luis Alba castro (vocal)<\/li>\n<li>Antonio Artes rodriguez (vocal)<\/li>\n<li>a. Regalia phillip (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Roberto Lopez Valcarce El filtrado adaptativo desempe\u00f1a un papel importante en aplicaciones del procesado de se\u00f1al tales [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[332,2488,2489,18657],"tags":[44152,16166,12650,44151,44149,44150],"class_list":["post-13614","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-radiocomunicaciones","category-tecnologia-de-las-telecomunicaciones","category-vigo","tag-a-regalia-phillip","tag-antonio-artes-rodriguez","tag-fernando-perez-gonzalez","tag-jose-luis-alba-castro","tag-roberto-lopez-valcarce","tag-s-r-diniz-paulo"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/13614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=13614"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/13614\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=13614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=13614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=13614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}