{"id":132513,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nuevas-tecnicas-de-adquisicion-y-procesamiento-digital-de-senales-cromatrograficas\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"nuevas-tecnicas-de-adquisicion-y-procesamiento-digital-de-senales-cromatrograficas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-tecnologicas\/nuevas-tecnicas-de-adquisicion-y-procesamiento-digital-de-senales-cromatrograficas\/","title":{"rendered":"Nuevas tecnicas de adquisicion y procesamiento digital de se\u00f1ales cromatrograficas."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Amer Boixareu Miquel Angel <\/strong><\/h2>\n<p>Se ha desarrollado un equipo capaz de adquirir y procesar datos cromatrograficos mediante un ordenador ibm-pc compatible y a partir de una interficie a\/d que permita implementar el principio de la amplificacion adaptativa de la se\u00f1al. Los objetivos fijados han sido los siguientes:  1. Dise\u00f1o y construccion de la tarjeta de conversion a\/d, a partir de un convertidor de 12 bits de resolucion y un amplificador de ganacia variable seleccionable por ordenador, de manera que se cubra el margen dinamico de los detectores cromatograficos. La tarjeta tambien ha de incorporar un filtro \u00abantialiasing\u00bb analogico, para cuyo dise\u00f1o se necesita estudiar la frecuencia idonea de adquisicion de la se\u00f1al.  2. Desarrollo de los algorismos de adquisicion de datos que se ocupan de: controlar la frecuencia de adquisicion, controlar el funcionamiento del convertidor y del amplificador de ganancia variable, detectar datos aberrantes, dibujar el cromatograma en pantalla y almacenar los datos adquiridos.  3. Estudio e implementacion de un diezmado de datos \u00abon-line\u00bb, con la finalidad de reducir el numero de datos a manipular. La realizacion de un diezmado obliga a efectuar un filtrado digital previo para evitar problemas debidos al fenomeno del aliasing, por lo cual se requiere dise\u00f1aron filtro digital conveniente.  4. Implementacion del programa de adquisicion de datos, a partir de los algorismos dise\u00f1ados anteriormente, y teniendo en cuenta como requerimientos la maxima fiabilidad y facilidad de uso. Prueba del programa mediante la adquisicion de se\u00f1ales simuladas y cromatogramas reales.  5. Elaboracion de un programa que permita procesar \u00aboff-linea\u00bb los datos cromatograficos adquiridos previamente, con la finalidad de determinar los tiempos de retencion y las areas de los picos presentes en un se\u00f1al cromatrografico. El programa tiene que cumplir los requerimientos de maxima fiabilidad, automatizacion y facilidad de uso.  6. Estudio de la<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nuevas tecnicas de adquisicion y procesamiento digital de se\u00f1ales cromatrograficas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nuevas tecnicas de adquisicion y procesamiento digital de se\u00f1ales cromatrograficas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Amer Boixareu Miquel Angel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Ram\u00f3n llull<\/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>Werner Bek Knoeller<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miquel Gassiot Matas <\/li>\n<li>Juan Grimalt Obrador (vocal)<\/li>\n<li>Josep Mart\u00ed Roca (vocal)<\/li>\n<li>Joaquim Olive Duran (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Amer Boixareu Miquel Angel Se ha desarrollado un equipo capaz de adquirir y procesar datos cromatrograficos mediante [&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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