{"id":116136,"date":"2018-03-11T10:44:58","date_gmt":"2018-03-11T10:44:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/lidar-and-s-band-radar-profiling-of-the-atmosphere-adaptive-processing-for-boundary-layer-monitoring-optical-parameter-error-estimation-and-application-cases\/"},"modified":"2018-03-11T10:44:58","modified_gmt":"2018-03-11T10:44:58","slug":"lidar-and-s-band-radar-profiling-of-the-atmosphere-adaptive-processing-for-boundary-layer-monitoring-optical-parameter-error-estimation-and-application-cases","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-catalunya\/lidar-and-s-band-radar-profiling-of-the-atmosphere-adaptive-processing-for-boundary-layer-monitoring-optical-parameter-error-estimation-and-application-cases\/","title":{"rendered":"Lidar and s-band radar profiling of the atmosphere: adaptive processing for boundary-layer monitoring, optical-parameter error estimation, and application cases"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Diego Lange Vega <\/strong><\/h2>\n<p>La tesis doctoral aborda la teledetecci\u00f3n atmosf\u00e9rica mediante t\u00e9cnicas lidar y radar (banda s) y tratamiento de la se\u00f1al relacionado. La teledetecci\u00f3n activa mediante estos instrumentos ofrece resoluciones espaciales y temporales sin precedentes en la perfilometr\u00eda vertical de la atm\u00f3sfera y recuperaci\u00f3n de productos de datos \u00f3pticos y f\u00edsicos atmosf\u00e9ricos en un marco de creciente regulaci\u00f3n medioambiental.  el primer objetivo de esta tesis concierne la estimaci\u00f3n de cotas de error en la inversi\u00f3n del perfil del coeficiente de retrodispersi\u00f3n atmosf\u00e9rica a partir de se\u00f1ales lidar de tipo el\u00e1stico (esto es, sin desplazamiento de la longitud de onda en recepci\u00f3n al interactuar con los dispersores atmosf\u00e9ricos) mediante el algoritmo de inversi\u00f3n dos componentes de klett-fernald-sasano. Este objetivo parte de trabajos previos en el remote sensing lab. (Rslab) de la universitat polit\u00e9cnica de catalunya (upc) y permite obtener cotas de primer orden (aproximadas) basadas en propagaci\u00f3n de errores y cotas (exactas) basadas en el incremento total del error. Caracter\u00edstica distintiva frente al estado del arte es la asimilaci\u00f3n de errores sistem\u00e1ticos (por ejemplo, entradas de calibraci\u00f3n de usuario) y aleatorios (relaci\u00f3n se\u00f1al a ruido, snr, finita) en forma matem\u00e1tica expl\u00edcita.  el segundo objetivo, central de esta tesis, aborda la estimaci\u00f3n de la altura de la capa l\u00edmite atmosf\u00e9rica (ablh) a partir de se\u00f1ales lidar el\u00e1sticas y de observaciones radar en banda s (onda continua con modulaci\u00f3n en frecuencia, fmcw) mediante t\u00e9cnicas adaptativas basadas en filtrado extendido de kalman (ekf). El filtro se basa en modelado morfol\u00f3gico de la transici\u00f3n atmosf\u00e9rica entre la capa de mezcla y la troposfera libre y en estimaci\u00f3n continua de la informaci\u00f3n de covarianza de ruido. En el prototipo lidar-ekf la t\u00e9cnica propuesta mejora claramente las t\u00e9cnicas cl\u00e1sicas de estimaci\u00f3n de la ablh como son las basadas en m\u00e9todos derivativos, decisi\u00f3n de umbral, o el m\u00e9todo de la varianza-centroide. La formulaci\u00f3n ekf se aplica tanto a medidas procedentes de ceil\u00f3metros lidar como de la propia estaci\u00f3n lidar upc en escenas de alta y baja snr. Adicionalmente, el enfoque lidar-ekf se reformula y se extiende con \u00e9xito a escenas radar en banda s (dispersi\u00f3n bragg) en presencia de fuentes de ruido interferente (dispersi\u00f3n rayleigh de, por ejemplo, insectos y p\u00e1jaros). En este contexto, la caracter\u00edstica fmcw permite la capacidad de resoluci\u00f3n en distancia. La estimaci\u00f3n de la ablh mediante los prototipos lidar-ekf y radar-ekf se intercomparan en campa\u00f1as de medida.  finalmente, el tercer objetivo atiende a la explotaci\u00f3n de la estaci\u00f3n lidar upc existente: en un primera parte introductoria, se formula un algoritmo modificado de \u00c2\u00bfgluing\u00c2\u00bf para la mejora del margen din\u00e1mico de canales lidar el\u00e1sticos mediante combinaci\u00f3n (o \u00c2\u00bfpegado\u00c2\u00bf) de se\u00f1ales lidar adquiridas anal\u00f3gicamente y mediante foto-conteo. En una segunda parte, se presentan dos ejemplos (incluyendo aplicaci\u00f3n del algoritmo de \u00c2\u00bfgluing\u00c2\u00bf) que ilustran las capacidades del lidar de la upc en la observaci\u00f3n atmosf\u00e9rica de dos recientes erupciones volc\u00e1nicas desde la red de observaci\u00f3n earlinet (european aerosol research lidar network). \u00e9sta \u00faltima es parte de galion (global atmospheric watch atmospheric lidar observation network)-geoss (global earth observation system of systems).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Lidar and s-band radar profiling of the atmosphere: adaptive processing for boundary-layer monitoring, optical-parameter error estimation, and application cases<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Lidar and s-band radar profiling of the atmosphere: adaptive processing for boundary-layer monitoring, optical-parameter error estimation, and application cases <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Diego Lange Vega <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 17\/07\/2014<\/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>Francisco Rocadenbosch Burillo<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: agust\u00edn S\u00e1nchez-arcilla conejo <\/li>\n<li>doina nicoleta Nicolae (vocal)<\/li>\n<li>oriol Jorba casella (vocal)<\/li>\n<li>stephen j. Frasier (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Diego Lange Vega La tesis doctoral aborda la teledetecci\u00f3n atmosf\u00e9rica mediante t\u00e9cnicas lidar y radar (banda s) [&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":[16880,15816,152101,27612,15596],"tags":[43609,229405,229406,88385,158718,229407],"class_list":["post-116136","post","type-post","status-publish","format-standard","hentry","category-construccion-de-algoritmos","category-dispositivos-laser","category-meteorologia-por-radar","category-optica-atmosferica","category-politecnica-de-catalunya","tag-agustin-sanchez-arcilla-conejo","tag-diego-lange-vega","tag-doina-nicoleta-nicolae","tag-francisco-rocadenbosch-burillo","tag-oriol-jorba-casella","tag-stephen-j-frasier"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/116136","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=116136"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/116136\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=116136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=116136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=116136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}