{"id":3233,"date":"2024-11-21T15:16:59","date_gmt":"2024-11-21T20:16:59","guid":{"rendered":"https:\/\/www.calian.com\/resources\/blogs\/achieving-precision-in-challenging-environments-with-calian-gnss-antennas\/"},"modified":"2025-01-17T13:22:04","modified_gmt":"2025-01-17T18:22:04","slug":"achieving-precision-in-challenging-environments-with-calian-gnss-antennas","status":"publish","type":"blog","link":"https:\/\/www.calian.com\/resources\/fr\/blogues\/achieving-precision-in-challenging-environments-with-calian-gnss-antennas\/","title":{"rendered":"Atteindre la pr\u00e9cision dans des environnements difficiles avec les antennes GNSS Calian"},"content":{"rendered":"\n<div class=\"tbk-hydrate-component\" data-cid=\"3fd106cc-8a2a-490c-91b7-f4fa7ee1f514\" data-component=\"CalianContainer\"><div class=\"calian-container wp-block-calian-com-components-calian-container\"><div>\n<div class=\"tbk-hydrate-component\" data-cid=\"d4cb8951-040f-4f63-a042-579cfc06fcf4\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"86168992-fa1c-4e6f-8dd7-82ad48f77cb6\" data-component=\"HorizontalSplitTextSingleFeatureImage\"><div class=\"calian-horizontal-split-text-single-feature-image wp-block-calian-com-components-calian-horizontal-split-text-single-feature-image\"><div class=\"calian-horizontal-split-text-single-feature-image__container container-fluid\"><div class=\"row\"><div class=\"calian-horizontal-split-text-single-feature-image__left col-12 col-lg-6\"><div class=\"calian-horizontal-split-text-single-feature-image__image\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/11\/2024\/11\/Calian-GNSS-Anti-Jam-Tower-and-Drone-1024x683.jpeg\" alt=\"\" width=\"1024\" height=\"683\" class=\"img-fluid\"\/><\/div><\/div><div class=\"calian-horizontal-split-text-single-feature-image__right col-12 col-lg-6\"><h2 class=\"calian-horizontal-split-text-single-feature-image__heading\">Lorsqu&#8217;il s&#8217;agit d&#8217;applications de haute pr\u00e9cision, le besoin de pr\u00e9cision et de fiabilit\u00e9 est primordial.<\/h2><p class=\"calian-horizontal-split-text-single-feature-image__description\">Qu&#8217;il s&#8217;agisse de naviguer sous la canop\u00e9e d&#8217;une for\u00eat ou de suivre des actifs dans des paysages urbains encombr\u00e9s, les antennes GNSS de Calian (anciennement Tallysman) sont con\u00e7ues pour fournir un positionnement pr\u00e9cis, m\u00eame dans les environnements les plus difficiles. Voici comment notre technologie avanc\u00e9e d&#8217;antenne GNSS am\u00e9liore les performances et minimise les probl\u00e8mes courants tels que les interf\u00e9rences de fr\u00e9quence radio, les effets de trajets multiples et l&#8217;obstruction partielle de la vue du ciel.   <\/p><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"d254dfd2-4fc3-4736-91f5-a7f85691d205\" data-component=\"Spacer\"><div class=\"calian-spacer calian-spacer--large wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"0c791b60-7081-48ae-8ec3-7e476e7d5b32\" 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 flex-row-reverse justify-content-lg-between\"><div class=\"col-12 col-md mb-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/11\/2024\/11\/Calian-Cell-Phone-Tower-2-1024x683.jpeg\" alt=\"\" width=\"1024\" height=\"683\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\"\/><\/div><div class=\"col-12 col-md\"><h3>Le d\u00e9fi : Maintenir la pr\u00e9cision en cas d&#8217;interf\u00e9rences<\/h3><div class=\"calian-alternating-text-and-images__text mb-3\">Dans des applications telles que le chronom\u00e9trage de pr\u00e9cision, l&#8217;autonomie et l&#8217;arpentage, le maintien de la pr\u00e9cision du GNSS dans des conditions de bruit de radiofr\u00e9quence est un besoin critique. Les syst\u00e8mes GNSS traditionnels peuvent \u00eatre confront\u00e9s au bruit du signal caus\u00e9 par les harmoniques des bandes cellulaires et d&#8217;autres signaux proches de la bande GNSS. Le pr\u00e9-filtre et la technologie XF (eXtended Filter) de Calian att\u00e9nuent ces signaux et fournissent un signal propre et pur au r\u00e9cepteur GNSS.    <h4>Att\u00e9nuer les effets des trajets multiples  <\/h4>\n<p>L&#8217;une des caract\u00e9ristiques principales des <a href=\"https:\/\/www.calian.com\/advanced-technologies\/\" target=\"_blank\" rel=\"noopener\">antennes GNSS Calian<\/a> est leur capacit\u00e9 avanc\u00e9e de rejet des trajets multiples. Les trajets multiples se produisent lorsque les signaux GNSS se refl\u00e8tent sur des surfaces telles que les b\u00e2timents ou les routes avant d&#8217;atteindre l&#8217;antenne, cr\u00e9ant un signal retard\u00e9 et invers\u00e9 en termes de polarisation qui fausse la pr\u00e9cision du positionnement. Les conceptions d&#8217;antennes Calian utilisent la technologie multi-feed pour minimiser les effets des r\u00e9flexions qui peuvent affecter la pr\u00e9cision du positionnement en temps r\u00e9el.  <\/p><\/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\n\n<div class=\"tbk-hydrate-component\" data-cid=\"89d3a1e0-1965-4c63-9cfc-f67c9aef96c8\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"46c3f5ed-c392-48f6-a32c-3659e6191a61\" 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\"><div class=\"col-12 col-md mb-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/11\/2024\/11\/Calian-GNSS-Anti-Jam-Power-Station.jpeg\" alt=\"\" width=\"1000\" height=\"668\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\"\/><\/div><div class=\"col-12 col-md\"><div class=\"calian-alternating-text-and-images__text mb-3\"><h4>R\u00e9ception am\u00e9lior\u00e9e du signal dans des conditions difficiles  <\/h4>\n<p>Dans les for\u00eats denses, les signaux GNSS peuvent \u00eatre obstru\u00e9s par un feuillage \u00e9pais, tandis que dans les environnements urbains, les b\u00e2timents \u00e9lev\u00e9s peuvent entra\u00eener de fr\u00e9quentes pertes de signal. Les antennes GNSS de Calian sont \u00e9quip\u00e9es d&#8217;un gain \u00e9lev\u00e9, d&#8217;une conception multi-constellations et multi-fr\u00e9quences, ce qui permet une r\u00e9ception robuste des signaux m\u00eame dans des conditions de faible visibilit\u00e9. En captant une plus grande partie des signaux satellites, nos antennes assurent la continuit\u00e9 des donn\u00e9es lorsque d&#8217;autres antennes risquent de perdre leur verrouillage.    <\/p>\n<h4>Att\u00e9nuer les effets des trajets multiples  <\/h4>\n<p>L&#8217;une des caract\u00e9ristiques principales des antennes GNSS Calian est leur capacit\u00e9 avanc\u00e9e de rejet des trajets multiples. Les trajets multiples se produisent lorsque les signaux GNSS se refl\u00e8tent sur des surfaces telles que les b\u00e2timents ou les routes avant d&#8217;atteindre l&#8217;antenne, cr\u00e9ant un signal retard\u00e9 et invers\u00e9 en termes de polarisation qui fausse la pr\u00e9cision du positionnement. Les conceptions d&#8217;antennes Calian utilisent la technologie multi-feed pour minimiser les effets des r\u00e9flexions qui peuvent affecter la pr\u00e9cision du positionnement en temps r\u00e9el.  <\/p>\n<h4>Durabilit\u00e9 pour r\u00e9sister aux environnements difficiles  <\/h4>\n<p>Nos antennes sont con\u00e7ues pour r\u00e9sister aux \u00e9l\u00e9ments, qu&#8217;il s&#8217;agisse de temp\u00e9ratures extr\u00eames, de fortes pluies ou d&#8217;autres facteurs environnementaux. Cette durabilit\u00e9 garantit qu&#8217;elles restent performantes, quelles que soient les conditions, offrant ainsi une solution r\u00e9sistante et coh\u00e9rente pour les industries o\u00f9 la disponibilit\u00e9 du signal et la pr\u00e9cision du PNT sont essentielles.   <\/p><\/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\n\n<div class=\"tbk-hydrate-component\" data-cid=\"89d3a1e0-1965-4c63-9cfc-f67c9aef96c8\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"563d76a3-32e9-4249-a8dc-c2190937136e\" 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 flex-row-reverse justify-content-lg-between\"><div class=\"col-12 col-md mb-3\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/sites.calian.com\/app\/uploads\/sites\/11\/2024\/11\/Calian-Cell-Phone-Tower-1-1024x683.jpeg\" alt=\"\" width=\"1024\" height=\"683\" class=\"rounded-5 img-fluid w-100 h-250px h-md-373px object-fit-cover\"\/><\/div><div class=\"col-12 col-md\"><h3>Calian GNSS : la norme pour la haute pr\u00e9cision  <\/h3><div class=\"calian-alternating-text-and-images__text mb-3\">Lorsque la fiabilit\u00e9 et la pr\u00e9cision ne sont pas n\u00e9gociables, les antennes GNSS de Calian fournissent la solution n\u00e9cessaire pour prosp\u00e9rer dans des environnements difficiles. Gr\u00e2ce \u00e0 une technologie de pointe con\u00e7ue pour r\u00e9duire les interf\u00e9rences, augmenter l&#8217;int\u00e9grit\u00e9 du signal et r\u00e9sister aux conditions d\u00e9favorables, nos antennes soutiennent les applications de haute pr\u00e9cision dans le monde entier.   <\/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\n\n<div class=\"tbk-hydrate-component\" data-cid=\"89d3a1e0-1965-4c63-9cfc-f67c9aef96c8\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n\n\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\">\n<div class=\"tbk-hydrate-component\" data-cid=\"e14e9a6a-8982-4fd5-bb24-1d3bfb7a87f6\" data-component=\"CTABar\"><div class=\"calian-cta-bar theme-light wp-block-calian-com-components-calian-cta-bar\"><div class=\"calian-cta-bar__container container-fluid\"><div class=\"calian-cta-bar__vertical container-fluid position-relative\"><div class=\"row\"><div class=\"calian-cta-bar__vertical--content col-12\"><h2 class=\"calian-cta-bar__vertical--heading\">Vous souhaitez en savoir plus sur nos produits ?<\/h2><div class=\"calian-cta-bar__vertical--description\">Les antennes GNSS Calian peuvent am\u00e9liorer la pr\u00e9cision et la fiabilit\u00e9 de vos syst\u00e8mes de positionnement, quel que soit l&#8217;environnement.  <\/div><div class=\"calian-cta-bar__vertical--buttons\"><a href=\"https:\/\/www.calian.com\/advanced-technologies\/gnss\/\" class=\"btn btn-primary\" target=\"_blank\" rel=\"noreferrer noopener\">D\u00e9couvrez nos produits GNSS<\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:5%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"tbk-hydrate-component\" data-cid=\"86527208-83df-4d9d-a57e-f5d8b1a57d2b\" data-component=\"CTABar\"><div class=\"calian-cta-bar theme-light wp-block-calian-com-components-calian-cta-bar\"><div class=\"calian-cta-bar__container container-fluid\"><div class=\"calian-cta-bar__vertical container-fluid position-relative\"><div class=\"row\"><div class=\"calian-cta-bar__vertical--content col-12\"><h2 class=\"calian-cta-bar__vertical--heading\">Vous avez des questions sur votre prochain projet ?<\/h2><div class=\"calian-cta-bar__vertical--description\">Les antennes GNSS Calian peuvent am\u00e9liorer la pr\u00e9cision et la fiabilit\u00e9 de vos syst\u00e8mes de positionnement, quel que soit l&#8217;environnement.  <\/div><div class=\"calian-cta-bar__vertical--buttons\"><a href=\"mailto:info.gnss@calian.com\" class=\"btn btn-primary\">Parlez \u00e0 un expert GNSS<\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"tbk-hydrate-component\" data-cid=\"89d3a1e0-1965-4c63-9cfc-f67c9aef96c8\" data-component=\"Spacer\"><div class=\"calian-spacer wp-block-calian-com-components-calian-spacer\"><\/div><\/div>\n<\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Lorsqu&#8217;il s&#8217;agit d&#8217;applications de haute pr\u00e9cision, le besoin de pr\u00e9cision et de fiabilit\u00e9 est primordial. <\/p>\n<p class=\"calian-horizontal-split-text-single-feature-image__description\"> Qu&#8217;il s&#8217;agisse de naviguer sous la canop\u00e9e d&#8217;une for\u00eat ou de suivre des actifs dans des paysages urbains encombr\u00e9s, les antennes GNSS de Calian (anciennement Tallysman) sont con\u00e7ues pour fournir un positionnement pr\u00e9cis, m\u00eame dans les environnements les plus difficiles. Voici comment notre &hellip;<\/p>\n","protected":false},"featured_media":3232,"template":"","business_unit":[122],"solution":[151],"industry":[193],"type_classification":[],"class_list":["post-3233","blog","type-blog","status-publish","has-post-thumbnail","hentry","business_unit-technologies-avancees","solution-communications-et-connectivite","industry-gnss-fr"],"acf":{"enable_related_resources_carousel":true,"related_resources_carousel_title":"Related Resources","related_resources_max_posts":3,"related_resources_max_per_type":0,"related_resources_override_solutions":[],"related_resources_override_industries":[],"related_resources_hide_excerpts":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Atteindre la pr\u00e9cision dans des environnements difficiles avec les antennes GNSS Calian - Ressources<\/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\/resources\/fr\/blogues\/achieving-precision-in-challenging-environments-with-calian-gnss-antennas\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atteindre la pr\u00e9cision dans des environnements difficiles avec les antennes GNSS Calian - Ressources\" \/>\n<meta property=\"og:description\" content=\"Lorsqu&#8217;il s&#8217;agit d&#8217;applications de haute pr\u00e9cision, le besoin de pr\u00e9cision et de fiabilit\u00e9 est primordial. 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