{"id":19936,"date":"2025-11-12T16:29:59","date_gmt":"2025-11-12T16:29:59","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/?page_id=19936"},"modified":"2025-11-12T18:37:58","modified_gmt":"2025-11-12T18:37:58","slug":"resilient-gnss","status":"publish","type":"page","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss\/technologies\/resilient-gnss\/","title":{"rendered":"GNSS r\u00e9silient"},"content":{"rendered":"\n<div class=\"tbk-hydrate-component\" data-cid=\"206bfa47-74b3-4478-886f-ba4d49d67a3f\" data-component=\"Hero\"><section class=\"calian-hero d-flex h-100 position-relative overflow-hidden nav-indent wp-block-calian-com-components-calian-hero media-position-split has-split-image pb-5 pb-lg-0 overlay-themed\"><div class=\"container\"><div class=\"row\"><div class=\"calian-hero__content d-flex col-lg flex-column pb-3 justify-content-center has-breadcrumbs text-left\"><div class=\"calian-hero__copy-wrapper\"><p class=\"h4 calian-hero__eyebrow text-white\">Quand la pr\u00e9cision compte.<\/p><h1 class=\"calian-hero__heading text-white\">Solutions GNSS et anti-brouillage r\u00e9silientes<\/h1><div class=\"calian-hero__text text-white mt-2 mb-4\"><strong>H\u00e9ritage de Tallysman. La force de Calian.   <\/strong>Antennes GNSS fabriqu\u00e9es avec pr\u00e9cision et con\u00e7ues pour fonctionner dans des environnements contest\u00e9s.<\/div><a href=\"#antennas\" class=\"btn btn-light mb-4 mt-3\">Explorer les antennes<\/a><\/div><div class=\"calian-hero__breadcrumbs mt-auto mb-0 pt-lg-4 pt-3 pb-lg-0 pb-md-3 pb-1\"><nav aria-label=\"breadcrumb\" class=\"breadcrumb-container\"><ol class=\"breadcrumb\"><li class=\"breadcrumb-item\"><a href=\"https:\/\/www.calian.com\/fr\/\" class=\"breadcrumb-item-link\">Accueil<\/a><\/li><li class=\"breadcrumb-item\"><a href=\"https:\/\/www.calian.com\/fr\/\" class=\"breadcrumb-item-link\">Unit\u00e9 d&#8217;affaires<\/a><\/li><li class=\"breadcrumb-item\" aria-current=\"page\">Titre de la page<\/li><\/ol><\/nav><\/div><\/div><div class=\"calian-hero__media col-md w-100 h-100 pt-lg-5 mt-lg-3 media-style-split\"><div class=\"media-wrapper ps-lg-5 pb-3 pb-lg-0 ml-auto mr-0 w-100 h-100\"><div class=\"advanced-image w-100 h-100\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2025\/11\/Calian-GNSS-Resilient-Cover.jpg\" alt=\"Un soldat en tenue militaire se tient &#xE0; l'ext&#xE9;rieur ; des graphiques superpos&#xE9;s montrent des drones, une antenne directionnelle et des lignes de r&#xE9;seau num&#xE9;rique, sugg&#xE9;rant l'int&#xE9;gration de la technologie moderne sur le champ de bataille.\" width=\"800\" height=\"800\" class=\"calian-hero__image\"\/><\/div><\/div><\/div><\/div><\/div><div class=\"calian-hero__overlay overlay-themed position-absolute w-100 h-100 top-0 start-0 has-image\"><\/div><span><\/span><\/section><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"bb7ebc26-90b9-48da-b5c8-60fe88e34a32\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--large wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"cfb77335-2de2-45bb-af1f-f4575900378c\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<p>Dans l&#8217;environnement \u00e9lectromagn\u00e9tique actuel de plus en plus contest\u00e9, le besoin de r\u00e9silience du GNSS et de capacit\u00e9s anti-brouillage n&#8217;a jamais \u00e9t\u00e9 aussi critique. Les syst\u00e8mes militaires et civils d\u00e9pendent de donn\u00e9es de positionnement, de navigation et de synchronisation (PNT) fiables, mais les signaux GNSS sont intrins\u00e8quement faibles et vuln\u00e9rables au brouillage intentionnel, \u00e0 l&#8217;usurpation d&#8217;identit\u00e9 et aux interf\u00e9rences. Ces menaces peuvent nuire \u00e0 l&#8217;efficacit\u00e9 des missions, compromettre la s\u00e9curit\u00e9 et perturber les infrastructures essentielles.    <\/p>\n\n\n\n<p>Pour garantir des op\u00e9rations ininterrompues dans des environnements interdits ou d\u00e9grad\u00e9s, des solutions robustes telles que les antennes \u00e0 sch\u00e9ma de r\u00e9ception contr\u00f4l\u00e9 (CRPA), l&#8217;authentification des signaux et les strat\u00e9gies d&#8217;att\u00e9nuation \u00e0 plusieurs niveaux sont essentielles. L&#8217;am\u00e9lioration de la r\u00e9silience du GNSS pr\u00e9serve l&#8217;avantage strat\u00e9gique, la pr\u00e9paration op\u00e9rationnelle et la s\u00e9curit\u00e9 nationale. <\/p>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"0fe768df-229a-4e4e-bd48-0fa425cc0e02\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--small wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"77a30044-6592-4ba8-9ae8-4286e5c992ee\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<h2 class=\"wp-block-heading\"><br\/>Con\u00e7u en Am\u00e9rique du Nord pour une mission r\u00e9ussie<\/h2>\n\n\n\n<p><br\/>Con\u00e7ues et fabriqu\u00e9es au Canada, les antennes GNSS Calian perp\u00e9tuent l&#8217;h\u00e9ritage de Tallysman, un nom de confiance dans la technologie GNSS de haute pr\u00e9cision. Avec la conception et la fabrication ancr\u00e9es dans nos installations d&#8217;Ottawa, nous continuons \u00e0 maintenir une tradition d&#8217;excellence dans le d\u00e9veloppement d&#8217;antennes robustes et de haute performance pour les applications critiques. Nos \u00e9quipes d&#8217;ing\u00e9nieurs RF et de d\u00e9veloppement de syst\u00e8mes, qui s&#8217;appuient sur des d\u00e9cennies d&#8217;expertise en mati\u00e8re de GNSS, de conception RF et d&#8217;int\u00e9grit\u00e9 des signaux, con\u00e7oivent des solutions qui r\u00e9pondent aux exigences des clients des secteurs maritime, a\u00e9rospatial et industriel. Chaque antenne est con\u00e7ue, test\u00e9e et fabriqu\u00e9e au Canada, ce qui garantit le contr\u00f4le de la qualit\u00e9 et la s\u00e9curit\u00e9 de la cha\u00eene d&#8217;approvisionnement. Cet engagement en faveur du d\u00e9veloppement interne et de la fabrication en Am\u00e9rique du Nord renforce le r\u00f4le de Calian en tant que partenaire fiable dans le domaine du GNSS de pr\u00e9cision.    <\/p>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"bb7ebc26-90b9-48da-b5c8-60fe88e34a32\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--large wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"fe34c3db-9a34-410d-a72d-3cea8038bd68\" data-component=\"AlternatingTextAndImages\"><div class=\"calian-alternating-text-and-images overflow-hidden wp-block-calian-com-components-calian-alternating-text-and-images\"><div class=\"calian-alternating-text-and-images__container container-fluid\"><div class=\"\"><div class=\"row gx-md-6 justify-content-lg-start justify-content-lg-start mb-3 mb-md-9\"><div class=\"col-12 col-md mb-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2025\/11\/CRPA-XF.jpg\" alt=\"Un &#xE9;cusson bleu avec, au centre, la mention \" xf=\"\" en=\"\" caract=\"\" gras=\"\" et=\"\" blancs.=\"\" width=\"625\" height=\"625\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\"\/><\/div><div class=\"col-12 col-md\"><h3>\u00c0 propos de XF+<\/h3><div class=\"calian-alternating-text-and-images__text mb-3\">Le XF+ de Calian int\u00e8gre plusieurs techniques de filtrage pour att\u00e9nuer les interf\u00e9rences des signaux LTE hors bande et d&#8217;autres sources, ce qui permet d&#8217;obtenir des signaux GNSS propres et purs. Le XF+ incorpore un filtrage profond de sorte que les signaux hors bande, dans la plage de 400 MHz \u00e0 3000 MHz, sont att\u00e9nu\u00e9s d&#8217;environ 80 dB ou plus. En outre, la fonction &#8220;+&#8221; permet l&#8217;isolation entre les bandes sur l&#8217;ensemble de la cha\u00eene LNA. Par exemple, si la bande sup\u00e9rieure est brouill\u00e9e, les bandes inf\u00e9rieures continueront \u00e0 fournir des signaux utilisables.   \n<h3>Filtrage \u00e9tendu + LNA<\/h3>\n<ul>\n  <li>Bandes sup\u00e9rieure et inf\u00e9rieure isol\u00e9es<\/li>\n  <li>Le gain du LNA est de 37 dB<\/li>\n  <li>Le facteur de bruit est de 3 dB<\/li>\n  <li>P1dB de sortie est de 10 dBm<\/li>\n  <li>Filtrage profond avec 80 dB de r\u00e9jection hors bande<\/li>\n<\/ul><\/div><div class=\"calian-alternating-text-and-images__ctas mb-3 d-flex flex-wrap gap-3\"><\/div><\/div><\/div><div class=\"row gx-md-6 justify-content-lg-start flex-row-reverse justify-content-lg-between mb-3 mb-md-9\"><div class=\"col-12 col-md mb-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2025\/11\/CRPA-Sim-Rad-Pattern.jpg\" alt=\"Trac&#xE9; polaire montrant le gain normalis&#xE9; en dB avec une &#xE9;chelle de couleurs allant de -40 &#xE0; 0 dB. Les cercles concentriques indiquent les angles et les contours rouges mettent en &#xE9;vidence une r&#xE9;gion proche de 45 degr&#xE9;s.\" width=\"625\" height=\"625\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\"\/><\/div><div class=\"col-12 col-md\"><h3>\u00c0 propos de l&#8217;ACRP<\/h3><div class=\"calian-alternating-text-and-images__text mb-3\">La technologie CRPA utilise des \u00e9l\u00e9ments d&#8217;antennes multiples et une orientation en temps r\u00e9el des z\u00e9ros pour am\u00e9liorer la r\u00e9silience des syst\u00e8mes GNSS contre le brouillage ou les interf\u00e9rences. En orientant dynamiquement les z\u00e9ros dans le diagramme de rayonnement, elle supprime les interf\u00e9rences, am\u00e9liorant ainsi la fiabilit\u00e9 du PNT dans les environnements RF difficiles, ce qui est important pour les infrastructures critiques et les applications de d\u00e9fense.   <\/div><div class=\"calian-alternating-text-and-images__ctas mb-3 d-flex flex-wrap gap-3\"><\/div><\/div><\/div><div class=\"row gx-md-6 justify-content-lg-start justify-content-lg-start\"><div class=\"col-12 col-md mb-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2025\/11\/Screenshot-2025-11-12-at-10.59.28-AM-1024x843.png\" alt=\"Gros plan d'un appareil &#xE9;lectronique m&#xE9;tallique avec de multiples connecteurs et vis, sur fond blanc.\" width=\"1024\" height=\"843\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\"\/><\/div><div class=\"col-12 col-md\"><h3>SWaP<\/h3><div class=\"calian-alternating-text-and-images__text mb-3\">Optimis\u00e9 pour une faible consommation d&#8217;\u00e9nergie, de poids et de taille (SWaP), le CRPA de Calian offre des capacit\u00e9s anti-brouillage de haute performance dans un bo\u00eetier compact et l\u00e9ger. Son profil physique bas et son faible encombrement permettent une int\u00e9gration transparente dans les drones, les v\u00e9hicules terrestres autonomes et les v\u00e9hicules l\u00e9gers tout en atteignant les objectifs de la mission. <\/div><div class=\"calian-alternating-text-and-images__ctas mb-3 d-flex flex-wrap gap-3\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"0fe768df-229a-4e4e-bd48-0fa425cc0e02\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--small wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"b4677724-51f4-47ef-a269-0a879dc2b0de\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<h2 class=\"wp-block-heading\">L&#8217;avenir de la technologie anti-brouillage est pr\u00eat pour les missions.<\/h2>\n\n\n\n<p><br\/>La nouvelle gamme de produits CRPA de Calian \u00e9tablit une nouvelle r\u00e9f\u00e9rence en mati\u00e8re de r\u00e9silience GNSS \u00e0 faible SWaP. Con\u00e7u pour les infrastructures critiques et les applications de d\u00e9fense, ce syst\u00e8me avanc\u00e9 offre une att\u00e9nuation des interf\u00e9rences en temps r\u00e9el et une PNT r\u00e9siliente dans les environnements RF les plus difficiles. Con\u00e7u pour \u00eatre pr\u00eat pour une mission, partout et \u00e0 tout moment.  <\/p>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"0fe768df-229a-4e4e-bd48-0fa425cc0e02\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--small wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"2ed13b8a-f477-4486-b87d-db5d1d41c4d8\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<h2 class=\"wp-block-heading\">Con\u00e7u pour votre environnement de mission<\/h2>\n\n\n\n<p><br\/>La gamme CRPA de Calian est con\u00e7ue pour la fiabilit\u00e9 et la pr\u00e9cision dans divers environnements de mission, o\u00f9 l&#8217;optimisation du SWaP est essentielle. L&#8217;antenne \u00e0 formation de faisceau adaptative CR7712EXF \u00e0 2 \u00e9l\u00e9ments et \u00e0 nullit\u00e9 unique est excellente pour la navigation militaire dans les zones contest\u00e9es interdites par le GNSS, garantissant une PNT continue et pr\u00e9cise. <\/p>\n\n\n\n<p>Le CR8894SXF+ CRPA de Calian prend en charge les signaux GPS L1\/L2 (M-Code) et Galileo E1\/E5b. Le CR8894SXF+ contient 4 \u00e9l\u00e9ments d&#8217;antenne lui permettant d&#8217;att\u00e9nuer 3 brouilleurs par bande pour un total de 6. Une interface s\u00e9rie fournit des messages NMEA propri\u00e9taires qui indiquent l&#8217;\u00e9tat de l&#8217;antenne ainsi que la direction estim\u00e9e de la source de brouillage ou d&#8217;interf\u00e9rence. Le CR8894SXF+ est compatible avec tous les r\u00e9cepteurs GNSS qui d\u00e9livrent 150 mA ou plus \u00e0 5 volts \u00e0 l&#8217;antenne. L&#8217;antenne peut \u00e9galement \u00eatre aliment\u00e9e par l&#8217;interface s\u00e9rie.    <\/p>\n\n\n\n<p>Le d\u00e9tecteur CR8894SDXF+ permet uniquement d&#8217;identifier les interf\u00e9rences ou les menaces de brouillage. Par le biais d&#8217;une interface s\u00e9rie, le CR8894SDXF+ fournit des messages indiquant l&#8217;\u00e9tat de la CRPA et la direction du brouilleur, ce qui permet \u00e0 l&#8217;utilisateur d&#8217;avoir une bonne connaissance de la situation. <\/p>\n\n\n\n<p>Pour soutenir l&#8217;installation d&#8217;un syst\u00e8me f\u00e9d\u00e9r\u00e9 CRPA, Calian GNSS fournit les r\u00e9seaux d&#8217;antennes CRPA CA8894SXF+ (actif) et CA8894SP (passif).<\/p>\n\n\n\n<p>En compl\u00e9ment du CRPA, les antennes \u00e0 diagramme de r\u00e9ception fixe (FRPA) de Calian, telles que l&#8217;antenne triple bande (L1\/L2\/L5, E1\/E5A\/E5B\/E6, G1\/G2\/G3, B1\/B2\/B2a\/B2b\/B3) AJ977XF+ et l&#8217;antenne simple bande (L1, E1, G1, B1) TW3742AJ, sont optimis\u00e9es pour att\u00e9nuer les interf\u00e9rences \u00e0 faible angle et sont id\u00e9ales pour les applications de synchronisation et toutes les applications r\u00e9silientes.<\/p>\n\n\n\n<p>Ensemble, ces produits offrent des solutions personnalis\u00e9es et pr\u00eates \u00e0 l&#8217;emploi, test\u00e9es pour des conditions environnementales, m\u00e9caniques et \u00e9lectromagn\u00e9tiques extr\u00eames pour un large \u00e9ventail d&#8217;applications, am\u00e9liorant ainsi la r\u00e9silience du syst\u00e8me et la connaissance de la situation, quel que soit l&#8217;endroit o\u00f9 votre mission vous emm\u00e8ne.<\/p>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"0fe768df-229a-4e4e-bd48-0fa425cc0e02\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--small wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"830082e7-659f-4d6c-8ee0-c96813557cb5\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<div class=\"tbk-hydrate-component\" data-cid=\"e80235ae-bc28-4dd8-8503-c2a6e1d84dfd\" data-component=\"ContentTileGroup\"><div><div class=\"d-flex justify-content-center p-1\"><div class=\"spinner-border text-primary \" role=\"status\" style=\"width:3rem;height:3rem\"><span class=\"visually-hidden\">Chargement&#8230;<\/span><\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"c098787a-863f-45dc-9664-9dac3275cbb4\" data-component=\"CTABar\"><div class=\"calian-cta-bar theme-dark wp-block-calian-com-components-calian-cta-bar\"><div class=\"calian-cta-bar__container container-fluid\"><div class=\"calian-cta-bar__horizontal container-fluid\"><div class=\"row\"><div class=\"calian-cta-bar__horizontal--left col-12 col-lg-3 col-xl-2\"><div class=\"calian-cta-bar__horizontal--logo\"><img decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2026\/01\/2026-Logo-Calian-EN-RGB-DIGITAL-knock-out-1.svg\" alt=\"\" class=\"w-100 h-auto\"\/><\/div><\/div><div class=\"calian-cta-bar__horizontal--center col-12 col-lg-6 col-xl-7\"><div class=\"calian-cta-bar__horizontal--text\"><p>Si vous n&#8217;en \u00eates qu&#8217;au d\u00e9but du processus de s\u00e9lection de l&#8217;antenne la mieux adapt\u00e9e \u00e0 votre projet, notre guide de s\u00e9lection des antennes peut vous aider \u00e0 r\u00e9duire vos options.<\/p><\/div><\/div><div class=\"calian-cta-bar__horizontal--right col-12 col-lg-3 col-xl-3\"><div class=\"calian-cta-bar__horizontal--button\"><a href=\"https:\/\/www.calian.com\/space\/fr\/gnss\/support-dinformation\/guide-de-selection-des-antennes\/\" class=\"btn\">En savoir plus<\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"bb7ebc26-90b9-48da-b5c8-60fe88e34a32\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--large wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n<!-- wp:block null -->\n<div class=\"wp-block-group\">\n<div class=\"tbk-hydrate-component\" data-cid=\"cb299c0a-7012-4083-a966-4455edc3d1ad\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--medium wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n<\/div>\n<!-- \/wp:block -->","protected":false},"excerpt":{"rendered":"<p class=\"h4 calian-hero__eyebrow text-white\"> Quand la pr\u00e9cision compte. <\/p>\n<p> Solutions GNSS et anti-brouillage r\u00e9silientes H\u00e9ritage de Tallysman. La force de Calian. Antennes GNSS fabriqu\u00e9es avec pr\u00e9cision et con\u00e7ues pour fonctionner dans des environnements contest\u00e9s. <a href=\"#antennas\" class=\"btn btn-light mb-4 mt-3\"> Explorer les antennes <\/a> <\/p>\n<li class=\"breadcrumb-item\"> <a href=\"https:\/\/www.calian.com\/fr\/\" class=\"breadcrumb-item-link\"> Accueil <\/a> <\/li>\n<li class=\"breadcrumb-item\"> <a href=\"https:\/\/www.calian.com\/fr\/\" class=\"breadcrumb-item-link\"> Unit\u00e9 d&#8217;affaires <\/a> &hellip;<\/li>\n","protected":false},"author":11865,"featured_media":0,"parent":7984,"menu_order":142,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"solution":[],"industry":[],"type_classification":[],"class_list":["post-19936","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GNSS r\u00e9silient - 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