{"id":459873,"date":"2024-10-01T09:00:38","date_gmt":"2024-10-01T07:00:38","guid":{"rendered":"https:\/\/www.ecinews.fr\/?post_type=white_papers&#038;p=459873"},"modified":"2024-09-04T17:34:59","modified_gmt":"2024-09-04T15:34:59","slug":"antennes-reseau-a-commande-de-phase-un-nouveau-paradigme-pour-les-composants-electroniques-des-satellites","status":"publish","type":"white_papers","link":"https:\/\/www.ecinews.fr\/fr\/white_papers\/antennes-reseau-a-commande-de-phase-un-nouveau-paradigme-pour-les-composants-electroniques-des-satellites\/","title":{"rendered":"Antennes r\u00e9seau \u00e0 commande de phase : un nouveau paradigme pour les composants \u00e9lectroniques des satellites"},"content":{"rendered":"<p>Que ce soit sur Terre ou dans l\u2019espace, les syst\u00e8mes radar et de communication cellulaire utilisent des bandes de fr\u00e9quences sp\u00e9cifiques, r\u00e9glement\u00e9es par les organismes de normalisation tels que la Commission f\u00e9d\u00e9rale des communications des \u00c9tats-Unis. L\u2019essentiel du spectre radiofr\u00e9quence (RF) \u00e9tant d\u00e9j\u00e0 occup\u00e9, les ing\u00e9nieurs ont d\u00fb imaginer des mani\u00e8res de l\u2019exploiter plus efficacement gr\u00e2ce \u00e0 des sch\u00e9mas d\u2019encodage (modulation d\u2019amplitude en quadrature, modulation par d\u00e9placement de phase, etc.) ou encore de multiplexage par r\u00e9partition dans le temps ou en fr\u00e9quence. En outre, la n\u00e9cessit\u00e9 de partager les ressources entre davantage d\u2019utilisateurs et d\u2019acc\u00e9l\u00e9rer la transmission des donn\u00e9es a inspir\u00e9 un nouveau sch\u00e9ma de multiplexage, dit \u00ab\u00a0par r\u00e9partition spatiale\u00a0\u00bb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Que ce soit sur Terre ou dans l\u2019espace, les syst\u00e8mes radar et de communication cellulaire utilisent des bandes de fr\u00e9quences sp\u00e9cifiques, r\u00e9glement\u00e9es par les organismes de normalisation tels que la Commission f\u00e9d\u00e9rale des communications des \u00c9tats-Unis. L\u2019essentiel du spectre radiofr\u00e9quence (RF) \u00e9tant d\u00e9j\u00e0 occup\u00e9, les ing\u00e9nieurs ont d\u00fb imaginer des mani\u00e8res de l\u2019exploiter plus efficacement [&hellip;]<\/p>\n","protected":false},"featured_media":459874,"template":"","tags":[],"company":[864],"wp_category":[],"ppma_author":[6113],"class_list":["post-459873","white_papers","type-white_papers","status-publish","has-post-thumbnail","hentry","company-texas-instruments"],"acf":[],"yoast_head":"<title>Antennes r\u00e9seau \u00e0 commande de phase : un nouveau paradigme po...<\/title>\n<meta name=\"description\" content=\"Que ce soit sur Terre ou dans l\u2019espace, les syst\u00e8mes radar et de communication cellulaire utilisent des bandes de fr\u00e9quences sp\u00e9cifiques, r\u00e9glement\u00e9es...\" \/>\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\/white_papers\/459873\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Antennes r\u00e9seau \u00e0 commande de phase : un nouveau paradigme pour les composants \u00e9lectroniques des satellites\" \/>\n<meta property=\"og:description\" content=\"Que ce soit sur Terre ou dans l\u2019espace, les syst\u00e8mes radar et de communication cellulaire utilisent des bandes de fr\u00e9quences sp\u00e9cifiques, r\u00e9glement\u00e9es par les organismes de normalisation tels que la Commission f\u00e9d\u00e9rale des communications des \u00c9tats-Unis. 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