{"id":43882,"date":"2018-07-30T03:12:47","date_gmt":"2018-07-30T03:12:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-respuesta-de-una-gammacamara-influencia-del-colimador\/"},"modified":"2018-07-30T03:12:47","modified_gmt":"2018-07-30T03:12:47","slug":"estudio-de-la-respuesta-de-una-gammacamara-influencia-del-colimador","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/estudio-de-la-respuesta-de-una-gammacamara-influencia-del-colimador\/","title":{"rendered":"Estudio de la respuesta de una gammacamara. influencia del colimador."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Santiago Millan Cebrian <\/strong><\/h2>\n<p>Hemos desarrollado un metodo matematico general para colimadores de gammacamara de agujeros paralelos  que expresa la p sf como una funcion de las coordenadas del plano imagen  y que depende de la posicion del punto objeto  de las caracteristicas geometricas del colimador y de la energia de emision de la fuente radiactiva. Se ha aplicado particularmente a un colimador de agujeros exagonales de una gammacamara toshiba  para la energia de emision del tc 99 m. Se ha evaluado la psf para diferentes distancias objeto-colimador. A partir de la psf hemos calculado la lsf y la mtf. Por otra parte hemos obtenido experimentalmente la mtf total del detector colimado para las mismas distancias objeto-colimador partiendo de una linea como objeto y obteniendo la mtf como transformada de fourier de la lsf. A partir de estos resultados hemos comprobado la validez del metodo teorico asi como la influencia del colimador en la formacion de la imagen de todo el detector<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la respuesta de una gammacamara. influencia del colimador.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la respuesta de una gammacamara. influencia del colimador. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Santiago Millan Cebrian <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1977<\/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>Mar\u00eda  Josefa Yzuel Gimenez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Sanchez Del Rio Sierra Carlos <\/li>\n<li>Justiniano Casas Pelaez (vocal)<\/li>\n<li>Miguel Gil Gayarre (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Santiago Millan Cebrian Hemos desarrollado un metodo matematico general para colimadores de gammacamara de agujeros paralelos que [&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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