{"id":11567,"date":"2018-03-09T08:56:59","date_gmt":"2018-03-09T08:56:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/medida-y-analisis-del-canal-radio-y-diseno-de-antenas-en-la-banda-de-distribucion-de-television-digital-terrena\/"},"modified":"2018-03-09T08:56:59","modified_gmt":"2018-03-09T08:56:59","slug":"medida-y-analisis-del-canal-radio-y-diseno-de-antenas-en-la-banda-de-distribucion-de-television-digital-terrena","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/medida-y-analisis-del-canal-radio-y-diseno-de-antenas-en-la-banda-de-distribucion-de-television-digital-terrena\/","title":{"rendered":"Medida y analisis del canal radio y dise\u00f1o de antenas en la banda de distribucion de television digital terrena."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mercedes Sanchez Varela <\/strong><\/h2>\n<p>La television digital en la gran aventura de nuestro tiempo. Las ventajas de la tecnolog\u00eda digital, tales como la mayor eficiencia espectral y flexibilidad, y la sencilla implementacion en radio frecuencia, provocan que, a corto plazo, todos los radiodifusores cambien el sistema digital. Uno de los grandes catalizadores de la era digital es el proyecto digital video broadcasting (dvb). El trabajo de investigacion recogido en esta tesis se centra en el sistema de distribucion terrena de television digital (dvb-t).  los sistemas de comunicaciones actuales deben soportar elevadas velocidades de transmision, asi como grandes cantidades de informacion. Debido a esto, el analisis en banda ancha del canal radio esta despertando un creciente interes. Ademas, independientemente de lo anterior, es importante disponer de un analisis en banda ancha para lograr una caracterizacion mas precisa de los mecanismos de propagacion. Una caracterizacion en banda ancha del canal radio requiere una exhaustiva campa\u00f1a de medidas para poder fijar el valor de los parametros empleados en los modelos de simulacion. Dentro del trabajo que se presenta en esta tesis, se ha realizado una extensa campa\u00f1a de medidas en la banda de television digital terrena (470 mhz-862 mhz) en diferentes entornos tanto exteriores como interiores. A partir de estos datos, se analiza el comportamiento electromagnetico del canal radio.  el dise\u00f1o de un receptor movil de television digital terrena se ve condicionado principalmente por los desvanecimientos de la se\u00f1al recibida. Los efectos de la propagacion multitrayecto se pueden reducir empleando antenas direccionales, si bien esto no es asi en el caso de un receptor movil, donde es necesario emplear antenas con un diagrama de radiaci\u00f3n comnidirecional. En este caso, se pueden mitigar los desvanecimeintos mediante inteleaving, ecualizacion o tecnicas de diversidad.  por otra parte, una vez caracterizada la propagaci\u00f3n en el canal ra<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Medida y analisis del canal radio y dise\u00f1o de antenas en la banda de distribucion de television digital terrena.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Medida y analisis del canal radio y dise\u00f1o de antenas en la banda de distribucion de television digital terrena. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mercedes Sanchez Varela <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/06\/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>Manuel Garcia Sanchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel Calvo ramon <\/li>\n<li>leandro De haro ariet (vocal)<\/li>\n<li>dominic O\u00c2\u00bfbrien (vocal)<\/li>\n<li>Fernando Las heras andr\u00e9s (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mercedes Sanchez Varela La television digital en la gran aventura de nuestro tiempo. Las ventajas de la [&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":[332,987,199,2490,2488,30901,2489,5052,18657],"tags":[38002,38003,38001,21655,38000,27925],"class_list":["post-11567","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-electromagnetismo","category-fisica","category-propagacion-de-ondas-electromagneticas","category-radiocomunicaciones","category-radiodifusion-sonido-y-television","category-tecnologia-de-las-telecomunicaciones","category-television","category-vigo","tag-dominic-oabrien","tag-fernando-las-heras-andres","tag-leandro-de-haro-ariet","tag-manuel-garcia-sanchez","tag-mercedes-sanchez-varela","tag-miguel-calvo-ramon"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/11567","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=11567"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/11567\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=11567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=11567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=11567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}