{"id":226200,"date":"2013-01-31T23:00:00","date_gmt":"2013-01-31T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/premieres-captures-dimages-pour-pleiades-1b\/"},"modified":"2013-01-31T23:00:00","modified_gmt":"2013-01-31T23:00:00","slug":"premieres-captures-dimages-pour-pleiades-1b","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/premieres-captures-dimages-pour-pleiades-1b\/","title":{"rendered":"Premi\u00e8res captures d&rsquo;images pour Pl\u00e9iades 1B"},"content":{"rendered":"<p>Pl&eacute;iades 1B a &eacute;t&eacute; con&ccedil;u pour offrir une couverture optique &agrave; double usage avec une r&eacute;solution de 70&nbsp;centim&egrave;tres. Il a &eacute;t&eacute; lanc&eacute; depuis la Guyane fran&ccedil;aise le 30&nbsp;novembre&nbsp;2012 et a rejoint son double, le satellite Pl&eacute;iades 1A, lanc&eacute; en d&eacute;cembre&nbsp;2011. La division Astrium d&rsquo;EADS a construit les deux satellites Pl&eacute;iades pour l&rsquo;agence spatiale fran&ccedil;aise CNES&nbsp;; les images acquises seront utilis&eacute;es par les minist&egrave;res de la D&eacute;fense fran&ccedil;ais et espagnol, par des institutions civiles ainsi que des utilisateurs priv&eacute;s. Ces satellites s&rsquo;appuient sur des plates-formes plus petites, plus &eacute;conomiques et plus souples que leurs pr&eacute;d&eacute;cesseurs, les satellites Spot, dont les performances ne sont plus &agrave; prouver.<\/p>\n<p>L&rsquo;instrument d&rsquo;imagerie optique haute r&eacute;solution, d&rsquo;un poids de 200&nbsp;kg, embarqu&eacute; &agrave; bord des satellites Pl&eacute;iades est dot&eacute; d&rsquo;un plan focal panchromatique et multispectral. Cinq capteurs d&rsquo;imagerie e2v CCD98-50, offrant chacun une r&eacute;solution de 6&nbsp;000&nbsp;pixels (soit 30&nbsp;000&nbsp;pixels par ligne) sont utilis&eacute;s pour le plan focal panchromatique. Ces capteurs int&egrave;grent en outre une fonctionnalit&eacute; TDI (Time Delay Integration) permettant l&rsquo;acquisition d&rsquo;images haute r&eacute;solution (70&nbsp;cm au sol), tandis que leur substrat aminci permet de b&eacute;n&eacute;ficier d&rsquo;une sensibilit&eacute; optimale. Le plan focal multispectral est quant &agrave; lui constitu&eacute; de cinq capteurs d&rsquo;imagerie e2v de type AT71554. Une fois install&eacute;s dans le plan focal, ces capteurs permettent de disposer de 1&nbsp;500&nbsp;pixels par ligne et d&rsquo;une couverture sur quatre bandes spectrales, chacune &eacute;tant capable d&rsquo;offrir une r&eacute;solution de 7&nbsp;500&nbsp;pixels.<br \/>\nBertrand De Monte, responsable marketing pour les solutions d&rsquo;imagerie hautes performances d&rsquo;e2v, a d&eacute;clar&eacute;&nbsp;: &quot;&nbsp;Nous sommes tr&egrave;s heureux d&rsquo;avoir fourni des capteurs d&rsquo;imagerie hautes performances pour le satellite Pl&eacute;iades 1B et de poursuivre ainsi notre collaboration fructueuse avec Thales Alenia Space, Astrium et le CNES. e2v avait d&eacute;j&agrave; fourni des capteurs d&rsquo;imagerie pour des satellites d&rsquo;observation de la Terre, dont le satellite Pl&eacute;iades 1A et les satellites SPOT 2, 3, 4, 5, 6 et 7.&nbsp;Nous avons h&acirc;te de d&eacute;couvrir de nouvelles images haute r&eacute;solution de la Terre, acquises gr&acirc;ce aux solutions&nbsp;e2v.&nbsp;  <\/p>\n<p>Illustration&nbsp;: Premi&egrave;re image fournie par le CNES de Pl&eacute;iades 1B&nbsp;: le port de Lorient,France. \n<\/p>\n<p><a href=\"http:\/\/www.e2v.com\" target=\"_blank\" title=\"www.e2v.com\" rel=\"noopener\">www.e2v.com  <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pl\u00e9iades 1B, le satellite d&rsquo;observation de la Terre du Centre National d&rsquo;Etudes Spatiales (CNES), a captur\u00e9 ses premi\u00e8res images \u00e0 l&rsquo;aide des capteurs d&rsquo;imagerie hautes performances d&rsquo;e2v. Deux types de capteurs e2v (con\u00e7us pour l&rsquo;acquisition d&rsquo;images panchromatiques et multispectrales) \u00e9quipent l&rsquo;instrument d&rsquo;imagerie optique haute r\u00e9solution du satellite ; ces capteurs ont \u00e9t\u00e9 s\u00e9lectionn\u00e9s par Thales Alenia Space, qui a fourni \u00e0 Astrium l&rsquo;instrument haute r\u00e9solution dont le d\u00e9veloppement a \u00e9t\u00e9 r\u00e9alis\u00e9 sous contrat avec le CNES.<\/p>\n","protected":false},"author":22,"featured_media":226201,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-226200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Premi\u00e8res captures d&#039;images pour Pl\u00e9iades 1B ...<\/title>\n<meta name=\"description\" content=\"Pl\u00e9iades 1B, le satellite d&#039;observation de la Terre du Centre National d&#039;Etudes Spatiales (CNES), a captur\u00e9 ses premi\u00e8res images \u00e0 l&#039;aide des capteurs...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/226200\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Premi\u00e8res captures d&#039;images pour Pl\u00e9iades 1B\" \/>\n<meta property=\"og:description\" content=\"Pl\u00e9iades 1B, le satellite d&#039;observation de la Terre du Centre National d&#039;Etudes Spatiales (CNES), a captur\u00e9 ses premi\u00e8res images \u00e0 l&#039;aide des capteurs d&#039;imagerie hautes performances d&#039;e2v. 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