{"id":8790,"date":"2017-04-24T18:56:37","date_gmt":"2017-04-24T16:56:37","guid":{"rendered":"http:\/\/agora.xtec.cat\/formacio\/zenit\/?p=8790"},"modified":"2023-02-15T09:27:16","modified_gmt":"2023-02-15T08:27:16","slug":"p04_ud01-2-titol-2","status":"publish","type":"post","link":"https:\/\/projectes.xtec.cat\/zenit\/general\/p04_ud01-2-titol-2\/","title":{"rendered":"1.2. Els sat\u00e8l\u00b7lits Sentinel-1"},"content":{"rendered":"<p><!--<center><iframe loading=\"lazy\" src=\"http:\/\/www.esa.int\/spaceinvideos\/content\/view\/embedjw\/427540\" width=\"640\" height=\"360\" frameborder=\"0\"><\/iframe><\/center><center><\/center>&nbsp;\n--><br \/>\nDos sat\u00e8l\u00b7lits Sentinel-1 orbiten entorn de la Terra simult\u00e0niament obtenint dades durant dia i nit, fins i tot en condicions atmosf\u00e8riques adverses. L&#8217;\u00f2rbita passa pels pols terrestres, amb un cicle de repetici\u00f3 de 12 hores i 175 \u00f2rbites per cicle. Els 2 sat\u00e8l\u00b7lits (<em>1A<\/em> i <em>1B<\/em>) comparteixen la mateixa \u00f2rbita amb una difer\u00e8ncia de fase de 180\u00b0. El temps que triguem els sat\u00e8l\u00b7lits en tornar a explorar una mateixa zona dep\u00e8n de la latitud. A Europa, per exemple, \u00e9s d&#8217;uns 2 dies. Prop de l&#8217;equador, en canvi, triga fins a 3 dies.<\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"ca\"><span class=\"\">Els sat\u00e8l\u00b7lits poden obtenir imatges del terra, de zones costaneres i rutes mar\u00edtimes en aig\u00fces europees en alta resoluci\u00f3. Tamb\u00e9 exploren els oceans globals a intervals regulars. L&#8217;amplada de cada escombrada \u00e9s de 250 Km amb una resoluci\u00f3 de 20 metres, adient per a la majoria d&#8217;aplicacions. Les aplicacions principals, emmarcades en el projecte <a href=\"http:\/\/copernicus.eu\/\">Copernicus<\/a>, s\u00f3n :<\/span> <\/span><\/p>\n<ul>\n<li>Monitoratge mar\u00edtim<\/li>\n<li>Monitoratge terrestre<\/li>\n<li>Gesti\u00f3 d&#8217;emerg\u00e8ncies<\/li>\n<li>Cartografia<\/li>\n<\/ul>\n<p><span id=\"result_box\" class=\"\" lang=\"ca\"><span class=\"\">\u00a0<\/span><\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dos sat\u00e8l\u00b7lits Sentinel-1 orbiten entorn de la Terra simult\u00e0niament obtenint dades durant dia i nit, fins i tot en condicions atmosf\u00e8riques adverses. L&#8217;\u00f2rbita passa pels pols terrestres, amb un cicle de repetici\u00f3 de 12 hores i 175 \u00f2rbites per cicle. Els 2 sat\u00e8l\u00b7lits (1A i&hellip;  <a href=\"https:\/\/projectes.xtec.cat\/zenit\/general\/p04_ud01-2-titol-2\/\" title=\"Read 1.2. Els sat\u00e8l\u00b7lits Sentinel-1\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[1,330],"tags":[306,318],"class_list":["post-8790","post","type-post","status-publish","format-standard","hentry","category-general","category-obsterra","tag-plafo","tag-ud_radar"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/posts\/8790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/comments?post=8790"}],"version-history":[{"count":4,"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/posts\/8790\/revisions"}],"predecessor-version":[{"id":11387,"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/posts\/8790\/revisions\/11387"}],"wp:attachment":[{"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/media?parent=8790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/categories?post=8790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/projectes.xtec.cat\/zenit\/wp-json\/wp\/v2\/tags?post=8790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}