{"id":28760,"date":"2018-03-09T09:21:36","date_gmt":"2018-03-09T09:21:36","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/codes-microsismes-i-oscil-ladors\/"},"modified":"2018-03-09T09:21:36","modified_gmt":"2018-03-09T09:21:36","slug":"codes-microsismes-i-oscil-ladors","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/mecanica\/codes-microsismes-i-oscil-ladors\/","title":{"rendered":"Codes, microsismes i  oscil.ladors"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mercedes Urquiz\u00fa Padilla <\/strong><\/h2>\n<p>El tema de esta tesis es la caracterizaci\u00f3n de las ondas de coda, cola del sismograma, como un reflejo de los procesos de scattering que sufre un pulso de energ\u00eda cuando este se propaga a trav\u00e9s de medios heterog\u00e9neos. para ello se aplican t\u00e9cnicas de an\u00e1lisis de series temporales basadas en la posible existencia de un sistema determinista nolineal, de pocos grados de libertad, subyacente que nos permitir\u00eda capturar el comportamiento mediante la reconstrucci\u00f3n del espacio de las fases asociado a \u00e9l.  en este trabajo se da un nuevo enfoque al problema y en lugar de querer reproducir exactamente la propagaci\u00f3n se intenta buscar un sistema sencillo que capture la esencia de la interacci\u00f3n entre el pulso que se propaga y las heterogene\u00ed\u00afdades. Se encuentra que la interacci\u00f3n pulso-obst\u00e1culo es equivalente a un oscilador golpeado en donde el pulso pasa a caracterizarse por un operador y el obst\u00e1culo como una fuerza externa que interact\u00faa discretamente con dicho operador. El oscilador pasa a ser nuestro paradigma recurrente y su comportamiento en el espacio de las fases nuestro objeto de estudio.  presentando un oscilador nolineal estoc\u00e1tico forzado arm\u00f3nicamente como modelo para el microsismo, y un oscilador golpeado para las ondas de coda.  m\u00e1s que el rigor de los resultados, quiero destacar el nuevo punto de vista aqu\u00ed presentado realiz\u00e1ndose un estudio te\u00f3rico sobre la extensi\u00f3n de los conceptos utilizados en el an\u00e1lisis de comportamientos estacionarios en sistemas deterministas nolineales a la caracterizaci\u00f3n de relajaciones causadas por una variaci\u00f3n de los par\u00e1metros, que representan las condiciones externas en la que tiene lugar la din\u00e1mica del sistema. La tesis se presenta como un compendio de art\u00edculos precedida por una introducci\u00f3n que ayuda a fijar las ideas sobre el problema, as\u00ed como a entender conceptos utilizados a lo largo de los cap\u00edtulos. Complet\u00e1ndose con unas conclusiones y un ep\u00edlogo en do<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Codes, microsismes i  oscil.ladors<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Codes, microsismes i  oscil.ladors <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mercedes Urquiz\u00fa Padilla <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/02\/2004<\/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>Antonio  Mar\u00eda Correig Blanchar<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis gonzaga Pujades beneit <\/li>\n<li>amalio Fern\u00e1ndez-pacheco p\u00e9rez (vocal)<\/li>\n<li>ram\u00f3n Maci\u00e1 juve (vocal)<\/li>\n<li>jaume Masoliver Garc\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mercedes Urquiz\u00fa Padilla El tema de esta tesis es la caracterizaci\u00f3n de las ondas de coda, cola [&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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