{"id":6676,"date":"2023-11-01T20:46:11","date_gmt":"2023-11-01T20:46:11","guid":{"rendered":"https:\/\/www.calian.com\/advanced-technologies\/veraphase-technologie\/"},"modified":"2024-06-27T01:23:53","modified_gmt":"2024-06-27T01:23:53","slug":"veraphase-technology","status":"publish","type":"page","link":"https:\/\/www.calian.com\/advanced-technologies\/fr\/gnss\/technologies\/veraphase-technology\/","title":{"rendered":"Technologie VeraPhase\u00ae"},"content":{"rendered":"\n<div class=\"tbk-hydrate-component\" data-cid=\"adb9eb37-819f-4216-9840-765b92f64e3b\" 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\"><h1 class=\"calian-hero__heading text-white\">Technologie VeraPhase\u00ae<\/h1><div class=\"calian-hero__text text-white mt-2 mb-4\">Calian a le plaisir d&#8217;introduire une technologie brevet\u00e9e qui produit les antennes GNSS les plus performantes au monde.<\/div><a href=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2023\/11\/Tallysman-Accutenna-Technology-EN-v4.0.pdf\" class=\"btn btn-light mb-4 mt-3\" target=\"_blank\" rel=\"noreferrer noopener\">T\u00e9l\u00e9charger la brochure VeraPhase\u00ae<\/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\/2023\/11\/TW6000-Conical-NoCable-web-410x410-1-1024x1024.jpg\" alt=\"\" width=\"1024\" height=\"1024\" 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=\"08f78e5c-b8b9-41cb-8984-fb7e366db1a0\" 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=\"d9ad549a-c9ab-4b3e-bd56-a9c34e809260\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<h2 class=\"wp-block-heading\">La technologie VeraPhase\u00ae offre :<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les rapports axiaux les plus faibles d&#8217;un horizon \u00e0 l&#8217;autre pour toutes les fr\u00e9quences GNSS<\/li>\n\n\n\n<li>Des variations du centre de phase les plus stables et les plus \u00e9troites sur toutes les fr\u00e9quences (+\/- 1 mm)<\/li>\n\n\n\n<li>Le gain le plus \u00e9lev\u00e9 sur toutes les fr\u00e9quences GNSS (1164 &#8211; 1300 MHz + 1559 &#8211; 1610 MHz)<\/li>\n<\/ul>\n\n\n\n<p>Cette technologie a prouv\u00e9 qu&#8217;elle avait un PCV plus stable \u00e0 toutes les altitudes et dans tous les azimuts que n&#8217;importe quelle autre technologie d&#8217;antenne disponible aujourd&#8217;hui. Pour des angles d&#8217;\u00e9l\u00e9vation sup\u00e9rieurs \u00e0 15 degr\u00e9s, le PCV varie de moins de 1 mm, ce qui rend cette technologie id\u00e9ale pour les syst\u00e8mes RTK et PPP sans avoir \u00e0 se fier aux donn\u00e9es d&#8217;\u00e9talonnage de l&#8217;antenne (comme les fichiers RINEX). Veuillez vous r\u00e9f\u00e9rer \u00e0 ce document : <a href=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2024\/06\/VeraPhase-Antenna-for-Survey-Use.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Antenne VeraPhase pour l\u2019utilisation dans le cadre d&#8217;enqu\u00eate<\/a><a href=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2023\/11\/VeraPhase-Antenna-for-Survey-Use.pdf\">s.<\/a><\/p>\n\n\n\n<p>La stabilit\u00e9 et l&#8217;\u00e9tanch\u00e9it\u00e9 du PCV par rapport aux angles d&#8217;\u00e9l\u00e9vation et d&#8217;azimut sont in\u00e9gal\u00e9es par toute autre technologie d&#8217;antenne. Par cons\u00e9quent, les antennes VeraPhase sont essentiellement insensibles \u00e0 une mauvaise orientation par rapport au nord et au fait de ne pas \u00eatre \u00e0 niveau. Ces antennes sont donc id\u00e9ales pour mesurer les mouvements et dans les situations de d\u00e9placement, comme un v\u00e9hicule astromobile dans un syst\u00e8me RTK.<\/p>\n\n\n\n<p>La structure de base de l&#8217;antenne comporte des dip\u00f4les crois\u00e9s aliment\u00e9s en quadrature et accord\u00e9s \u00e0 la fr\u00e9quence L2, ainsi qu&#8217;un \u00e9l\u00e9ment rayonnant coupl\u00e9 dimensionn\u00e9 pour r\u00e9sonner \u00e0 L1. Ces composants sont plac\u00e9s dans un guide d&#8217;ondes circulaire inhabituel dont l&#8217;extr\u00e9mit\u00e9 arri\u00e8re est conique et court-circuit\u00e9e et dont le bord sup\u00e9rieur a la forme d&#8217;une dent de scie non uniforme. La partie sup\u00e9rieure du guide d&#8217;ondes est constitu\u00e9e de plusieurs conducteurs verticaux \u00e0 rayon fixe et d&#8217;un conducteur p\u00e9riph\u00e9rique. Cette structure inhabituelle permet d&#8217;\u00e9galiser l&#8217;amplitude et d&#8217;obtenir une phase en quadrature du courant orient\u00e9 z et des courants orient\u00e9s phi.<\/p>\n\n\n\n<p>Veuillez t\u00e9l\u00e9charger notre livre blanc qui fournit beaucoup plus de d\u00e9tails techniques sur cette nouvelle technologie passionnante : <a href=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2023\/11\/Tallysman-VeraPhase-6000-White-Paper-v3.0.pdf\">Calian Veraphase <\/a><a href=\"https:\/\/www.calian.com\/space\/fr\/white-papers\/papier-blanc-veraphase\/\" target=\"_blank\" rel=\"noreferrer noopener\">6000 \u2013 Livre blanc<\/a><\/p>\n\n\n\n<p>Richard Langley et Ryan White de l&#8217;Universit\u00e9 du Nouveau-Brunswick ont compar\u00e9 les performances de l&#8217;antenne VeraPhase \u00e0 celles des antennes \u00e0 anneau d&#8217;\u00e9tranglement. Les r\u00e9sultats de leur \u00e9tude peuvent \u00eatre t\u00e9l\u00e9charg\u00e9s <a href=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2023\/11\/Tallysman_Static_Report_Final.compressed.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">ici<\/a>.<\/p>\n<\/div><\/div><\/div>\n\n<div class=\"tbk-hydrate-component\" data-cid=\"08f78e5c-b8b9-41cb-8984-fb7e366db1a0\" 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=\"34a897db-ddb1-42b4-b304-81fcdf3eda4c\" 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>Technologie VeraPhase\u00ae Calian a le plaisir d&#8217;introduire une technologie brevet\u00e9e qui produit les antennes GNSS les plus performantes au monde. <a href=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/8\/2023\/11\/Tallysman-Accutenna-Technology-EN-v4.0.pdf\" class=\"btn btn-light mb-4 mt-3\" target=\"_blank\" rel=\"noreferrer noopener\"> T\u00e9l\u00e9charger la brochure VeraPhase\u00ae <\/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> <\/li>\n<li class=\"breadcrumb-item\" aria-current=\"page\"> Titre de la page <\/li>\n<p> La &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":7984,"menu_order":111,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"solution":[],"industry":[],"type_classification":[],"class_list":["post-6676","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - 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