{"id":20736,"date":"2025-05-28T03:45:48","date_gmt":"2025-05-28T03:45:48","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/gnss_product\/cr8894sxf\/"},"modified":"2026-02-26T03:39:45","modified_gmt":"2026-02-26T03:39:45","slug":"cr8894sxf","status":"publish","type":"gnss_product","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss_product\/cr8894sxf\/","title":{"rendered":"CR8894SXF+ Antenne anti-brouillage \u00e0 quatre \u00e9l\u00e9ments \u00e0 diagramme de r\u00e9ception contr\u00f4l\u00e9 (CRPA)"},"content":{"rendered":"\n<p>L&#8217;antenne de r\u00e9ception contr\u00f4l\u00e9e CR8894SXF+ GNSS de Calian peut att\u00e9nuer\/annuler une (1) interf\u00e9rence ou un (1) signal de brouillage dans les bandes GNSS inf\u00e9rieure (1189 -1254 MHz) et sup\u00e9rieure (1559 &#8211; 1591 MHz) pour un total de deux (2) annulations. Le CR8894SXF+ est un CRPA \u00e0 4 \u00e9l\u00e9ments con\u00e7u pour la r\u00e9ception de signaux GNSS bi-bande. Il prend en charge les bandes de signaux GPS L1\/L2, Galileo E1\/E5b, GLONASS G2\/G3 et BeiDou B1\/B2b. Les \u00e9l\u00e9ments d&#8217;antenne \u00e0 large bande prennent \u00e9galement en charge les codes M du GPS sur les bandes L1 et L2.   <\/p>\n\n<p>Les interf\u00e9rences ou le brouillage peuvent saturer l&#8217;amplificateur \u00e0 faible bruit (LNA) d&#8217;une antenne GNSS standard, la rendant inutilisable. La CR8894SXF+ de Calian utilise deux technologies de r\u00e9duction des interf\u00e9rences : eXtended Filtering+ (XF+) et Controlled Reception Pattern Antenna. Le XF+ offre une r\u00e9jection hors bande de &gt; 80 dB entre 400 MHz et 3000 MHz et s\u00e9pare les canaux sup\u00e9rieur et inf\u00e9rieur d&#8217;amplification du signal du LNA, si l&#8217;un des canaux est brouill\u00e9, l&#8217;autre reste utilisable. La technologie CRPA cr\u00e9e des mod\u00e8les de rayonnement nuls dans la direction de l&#8217;interf\u00e9rence\/du brouillage, emp\u00eachant la saturation du LNA et garantissant un signal GNSS utilisable. La sortie est un signal RF standard avec les interf\u00e9rences supprim\u00e9es et un signal compatible avec tous les r\u00e9cepteurs GNSS commerciaux (COTS).    <\/p>\n\n<p>Le CR8894SXF+ utilise la technologie Accutenna\u00ae de Tallysman et une m\u00e9thodologie de d\u00e9tection et d&#8217;att\u00e9nuation des interf\u00e9rences analogiques \u00e0 faible puissance. Il int\u00e8gre l&#8217;antenne, la formation de z\u00e9ro et la technologie d&#8217;att\u00e9nuation des interf\u00e9rences dans un bo\u00eetier de montage en surface compact et l\u00e9ger. Deux interfaces s\u00e9rie sont fournies : l&#8217;une supporte RS232, l&#8217;autre RS422. Ces interfaces \u00e9mettent des messages NMEA qui contiennent la d\u00e9tection du brouillage, l&#8217;\u00e9tat de l&#8217;att\u00e9nuation, la bande du brouilleur et la direction par rapport \u00e0 l&#8217;antenne, ce qui am\u00e9liore la connaissance de la situation.   <\/p>\n\n<p>Le bo\u00eetier l\u00e9ger et \u00e9tanche (IP67) r\u00e9siste aux conditions difficiles, notamment aux applications militaires, aux drones et aux v\u00e9hicules. Le CR8894SXF+ CRPA est mont\u00e9 en surface \u00e0 l&#8217;aide de quatre vis. Un connecteur RF standard (SMA ou TNC) et des connecteurs d&#8217;interface s\u00e9rie sont situ\u00e9s au centre, correctement scell\u00e9s pour \u00e9viter les infiltrations d&#8217;eau.  <\/p>\n\n<p>Une future version de l&#8217;antenne CR8894SXF+ prendra en charge trois (3) z\u00e9ros par bande.<\/p>\n\n<p>Faites confiance \u00e0 Calian pour fournir un signal RF propre dans un monde RF bruyant.<\/p>\n\n<div class=\"wp-block-columns has-2-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Applications<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Calendrier critique<\/li>\n\n\n\n<li>La navigation dans des environnements contest\u00e9s<\/li>\n\n\n\n<li>Infrastructure critique GNSS (a\u00e9roports, etc.)<\/li>\n\n\n\n<li>Application de la loi et s\u00e9curit\u00e9 publique<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Caract\u00e9ristiques<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prise en charge du signal GNSS \u00e0 double bande<\/li>\n\n\n\n<li>Prise en charge du filtrage \u00e9tendu+ (XF+) pour une r\u00e9jection nette des signaux hors bande<\/li>\n\n\n\n<li>Jusqu&#8217;\u00e0 20-40 dB de profondeur de nullit\u00e9<\/li>\n\n\n\n<li>L&#8217;interface s\u00e9rie fournit des informations sur l&#8217;\u00e9tat et la direction estim\u00e9e du brouilleur.<\/li>\n\n\n\n<li>Bo\u00eetier \u00e9tanche IP67<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\">Avantages<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Compatible avec les r\u00e9cepteurs GNSS standard<\/li>\n\n\n\n<li>Tr\u00e8s faible consommation d&#8217;\u00e9nergie (150 mA)<\/li>\n\n\n\n<li>Petit, l\u00e9ger et peu encombrant, il est id\u00e9al pour de nombreuses utilisations.<\/li>\n\n\n\n<li>Favorise la connaissance de la situation, indique l&#8217;\u00e9tat de l&#8217;ACPR : brouillage observ\u00e9\/att\u00e9nu\u00e9, fr\u00e9quence et direction.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Demandez une fiche technique<\/h2>\n\n<p>Contactez Calian GNSS pour demander une fiche technique<\/p>\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-25\"><a class=\"wp-block-button__link wp-element-button\" href=\"mailto:sales.gnss@calian.com\" target=\"_blank\" rel=\"noreferrer noopener\">Contactez nous<\/a><\/div>\n<\/div>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p> L&#8217;antenne de r\u00e9ception contr\u00f4l\u00e9e CR8894SXF+ GNSS de Calian peut att\u00e9nuer\/annuler une (1) interf\u00e9rence ou un (1) signal de brouillage dans les bandes GNSS inf\u00e9rieure (1189 -1254 MHz) et sup\u00e9rieure (1559 &#8211; 1591 MHz) pour un total de deux (2) annulations. Le CR8894SXF+ est un CRPA \u00e0 4 \u00e9l\u00e9ments con\u00e7u pour la r\u00e9ception de signaux GNSS bi-bande. Il prend en &hellip;<\/p>\n","protected":false},"featured_media":18548,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":""},"post_tag":[],"gnss_category":[332],"gnss_industry":[320,353,355,354],"product_type":[352],"mount_type":[246],"class_list":["post-20736","gnss_product","type-gnss_product","status-publish","has-post-thumbnail","hentry","gnss_category-produits","gnss_industry-application-de-la-loi-et-securite-publique","gnss_industry-calendrier-critique","gnss_industry-infrastructures-critiques","gnss_industry-la-navigation-dans-des-environnements-contestes","product_type-anti-bourrage","mount_type-montage-en-surface"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CR8894SXF+ Antenne anti-brouillage \u00e0 quatre \u00e9l\u00e9ments \u00e0 diagramme de r\u00e9ception contr\u00f4l\u00e9 (CRPA) - Calian Space (GNSS)<\/title>\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.calian.com\/advanced-technologies\/fr\/gnss_product\/cr8894sxf\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CR8894SXF+ Antenne anti-brouillage \u00e0 quatre \u00e9l\u00e9ments \u00e0 diagramme de r\u00e9ception contr\u00f4l\u00e9 (CRPA) - Calian Space (GNSS)\" \/>\n<meta property=\"og:description\" content=\"L&#8217;antenne de r\u00e9ception contr\u00f4l\u00e9e CR8894SXF+ GNSS de Calian peut att\u00e9nuer\/annuler une (1) interf\u00e9rence ou un (1) signal de brouillage dans les bandes GNSS inf\u00e9rieure (1189 -1254 MHz) et sup\u00e9rieure (1559 &#8211; 1591 MHz) pour un total de deux (2) annulations. 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