{"id":36813,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-teorico-experimental-de-tecnicas-de-reduccion-de-ruido-en-espectroscopia-raman-aplicada-a-la-identificacion-de-materiales-pictoricos\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"estudio-teorico-experimental-de-tecnicas-de-reduccion-de-ruido-en-espectroscopia-raman-aplicada-a-la-identificacion-de-materiales-pictoricos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/estudio-teorico-experimental-de-tecnicas-de-reduccion-de-ruido-en-espectroscopia-raman-aplicada-a-la-identificacion-de-materiales-pictoricos\/","title":{"rendered":"Estudio teorico-experimental de tecnicas de reduccion de ruido en espectroscopia raman aplicada a la identificacion de materiales pictoricos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 Manuel Yufera Gomez <\/strong><\/h2>\n<p>La espectroscop\u00eda raman es una de las t\u00e9cnicas utilizadas en la identificaci\u00f3n de materiales pict\u00f3ricos en obras de arte que puede considerarse no destructiva, aplicable in situ, no ambigua y de elevada sensibilidad. La identificaci\u00f3n de un material es posible haciendo incidir luz en el mismo y recolectando la luz dispersada. el principal problema esta en que la informaci\u00f3n est\u00e1 siempre contaminada por ruido lo que dificulta la identificaci\u00f3n del material.  en esta tesis se realiza un estudio fenomenol\u00f3gico del efecto raman y de su aplicaci\u00f3n a la identificaci\u00f3n de materiales pict\u00f3ricos principalmente \u00f3leos. Se han estudiado diferentes tipos de ruido presentes en un espectro raman y se han dise\u00f1ado diversas t\u00e9cnicas de procesado de se\u00f1al para su reducci\u00f3n. Se han utilizado tambi\u00e9n m\u00e9todos de m\u00e1xima entrop\u00eda para obtener la se\u00f1al a partir de los datos simulados y los reales obtenidos del laboratorio.  por otra parte, la informaci\u00f3n en un espectro raman se obtiene a partir de la posici\u00f3n, intensidad y forma de las bandas que lo componen. En la tesis se propone un m\u00e9todo simple de localizaci\u00f3n de las bandas raman por sondeo de ruido compar\u00e1ndolo con otros m\u00e9todos ya existentes.  para llevar a cabo el an\u00e1lisis de los resultados obtenidos, se definen una serie de figuras de m\u00e9rito que permiten comparar los distintos m\u00e9todos de procesado propuestos tanto con espectros reales, obtenidos de obras de arte, como con simulaciones.  en esta tesis se concluye dise\u00f1ando la metodolog\u00eda de trabajo adecuada y sistem\u00e1tica para el an\u00e1lisis e identificaci\u00f3n de materiales pict\u00f3ricos con espectroscop\u00eda raman.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio teorico-experimental de tecnicas de reduccion de ruido en espectroscopia raman aplicada a la identificacion de materiales pictoricos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio teorico-experimental de tecnicas de reduccion de ruido en espectroscopia raman aplicada a la identificacion de materiales pictoricos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 Manuel Yufera Gomez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Sergio Ruiz Moreno<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  Antonio Fernandez rubio <\/li>\n<li>enrique Parra crego (vocal)<\/li>\n<li>Mar\u00eda  paz Morillo bosch (vocal)<\/li>\n<li>tariq Jawhari (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 Manuel Yufera Gomez La espectroscop\u00eda raman es una de las t\u00e9cnicas utilizadas en la identificaci\u00f3n de [&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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