{"id":131104,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/neuro-adc-convertidores-analogico-digitales-basados-en-una-red-neural\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"neuro-adc-convertidores-analogico-digitales-basados-en-una-red-neural","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/neuro-adc-convertidores-analogico-digitales-basados-en-una-red-neural\/","title":{"rendered":"Neuro-adc: convertidores analogico-digitales basados en una red neural."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Marta Prim Sabria <\/strong><\/h2>\n<p>En el proceso digital de imagenes se llevan a cabo un conjunto de operaciones como son translacion, rotacion, simetria o zoom in\/out sobre una imagen; estas pueden ser implementadas en un sistema hardware. Este sistema permite visualizar la transformacion de dicha imagen en tiempo real. Las tres primeras operaciones son mas o menos sencillas en cuanto a dise\u00f1o; sin embargo, el zoom in\/out debido al elevado numero de calculos presenta ciertas dificultades para su correspondiente implementacion. Una posible solucion a estos problemas es: dada una imagen digital convertir sus pixeles en una se\u00f1al analogica, muestrear dicha se\u00f1al segun el indice de zoom in\/out que se desee aplicar y convertir dicha se\u00f1al muestrada otra vez en una se\u00f1al digital que correspondera a la imagen digital ampliada o reducida. La resolucion de estas operaciones significa trabajar con convertidores digital\/analogicos y analogico\/digitales. Este trabajo se centra en los convertidores analogico\/digitales basados en una red neural. Inicialmente, se estudia la propuesta de j. Hopfield sobre la utilizacion de una arquitectura neural para el dise\u00f1o de convertidores. A partir de este estudio se presenta una nueva arquitectura de red neural:  red neural pseudo-hopfield. Esta red con su estructura triangular aporta la solucion al problema de minimo local detectado en la red neural de hopfield (con estructura simetrica). Con esta nueva arquitectura se ha dise\u00f1ado el neuro-adc: convertidores analogico\/digitales basados en la red neural pseudo-hopfield. Se han implementado con la tecnolog\u00eda cmos de 2um de mietec distintos adcs de 8-bits y 10-bits. Comprobando que sus caracteristicas dc y ac estan entre los rangods indicados en las espicificaciones comerciales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Neuro-adc: convertidores analogico-digitales basados en una red neural.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Neuro-adc: convertidores analogico-digitales basados en una red neural. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Marta Prim Sabria <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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> Roig De Zarate Jordi<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jordi Aguilo Llobet <\/li>\n<li>Conrad Perez Vicente (vocal)<\/li>\n<li>Armengol Gasull Embid (vocal)<\/li>\n<li>Pedro G\u00f3mez Vilda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marta Prim Sabria En el proceso digital de imagenes se llevan a cabo un conjunto de operaciones [&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 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