{"id":18084,"date":"2026-05-25T00:22:59","date_gmt":"2026-05-25T08:22:59","guid":{"rendered":"https:\/\/toknavgnss.com\/?p=18084"},"modified":"2026-05-25T23:46:27","modified_gmt":"2026-05-26T07:46:27","slug":"virtual-reference-station-in-surveying-network-rtk","status":"publish","type":"post","link":"https:\/\/toknavgnss.com\/fr\/virtual-reference-station-in-surveying-network-rtk\/","title":{"rendered":"Qu'est-ce que le VRS dans le domaine de la topographie ? Couverture RTK en r\u00e9seau \u00e9tendu et solution Toknav"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"18084\" class=\"elementor elementor-18084\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3922a894 e-con-full e-flex e-con e-parent\" data-id=\"3922a894\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-47f9584c e-con-full e-flex e-con e-child\" data-id=\"47f9584c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-5d105ec e-con-full e-flex e-con e-child\" data-id=\"5d105ec\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-97b245a elementor-widget elementor-widget-hfe-breadcrumbs-widget\" data-id=\"97b245a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"hfe-breadcrumbs-widget.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav aria-label=\"Fil d&#039;Ariane\"><ul class=\"hfe-breadcrumbs hfe-breadcrumbs-show-home\"><li class=\"hfe-breadcrumbs-item hfe-breadcrumbs-first\"><span class=\"hfe-breadcrumbs-home-icon\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-home\" viewbox=\"0 0 576 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M280.37 148.26L96 300.11V464a16 16 0 0 0 16 16l112.06-.29a16 16 0 0 0 15.92-16V368a16 16 0 0 1 16-16h64a16 16 0 0 1 16 16v95.64a16 16 0 0 0 16 16.05L464 480a16 16 0 0 0 16-16V300L295.67 148.26a12.19 12.19 0 0 0-15.3 0zM571.6 251.47L488 182.56V44.05a12 12 0 0 0-12-12h-56a12 12 0 0 0-12 12v72.61L318.47 43a48 48 0 0 0-61 0L4.34 251.47a12 12 0 0 0-1.6 16.9l25.5 31A12 12 0 0 0 45.15 301l235.22-193.74a12.19 12.19 0 0 1 15.3 0L530.9 301a12 12 0 0 0 16.9-1.6l25.5-31a12 12 0 0 0-1.7-16.93z\"><\/path><\/svg><\/span><a href=\"https:\/\/toknavgnss.com\/fr\"><span class=\"hfe-breadcrumbs-text\">Accueil<\/span><\/a><\/li><\/ul><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5476e3e7 e-flex e-con-boxed e-con e-parent\" data-id=\"5476e3e7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f5f8d5e e-con-full e-flex e-con e-child\" data-id=\"f5f8d5e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-565fbea8 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"565fbea8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que le VRS dans le domaine de la topographie ? Couverture RTK en r\u00e9seau \u00e9tendu et solution Toknav<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5ae1ac8 e-con-full e-flex e-con e-child\" data-id=\"5ae1ac8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11372d42 elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"11372d42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-calendar-alt\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M0 464c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V192H0v272zm320-196c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40zm0 128c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40zM192 268c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40zm0 128c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12h-40c-6.6 0-12-5.4-12-12v-40zM64 268c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12H76c-6.6 0-12-5.4-12-12v-40zm0 128c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12H76c-6.6 0-12-5.4-12-12v-40zM400 64h-48V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v48H160V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v48H48C21.5 64 0 85.5 0 112v48h448v-48c0-26.5-21.5-48-48-48z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3895d235 elementor-widget elementor-widget-text-editor\" data-id=\"3895d235\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>2026-05-26<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6b473a3 e-con-full e-flex e-con e-child\" data-id=\"6b473a3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d95e33c elementor-widget elementor-widget-heading\" data-id=\"3d95e33c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction au VRS (station de r\u00e9f\u00e9rence virtuelle)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0015eab elementor-widget elementor-widget-heading\" data-id=\"0015eab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Le VRS, pilier des r\u00e9seaux RTK modernes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7835e023 elementor-widget elementor-widget-text-editor\" data-id=\"7835e023\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le VRS (Virtual Reference Station) en topographie est la technologie RTK en r\u00e9seau de r\u00e9f\u00e9rence pour les travaux professionnels. Il permet de cr\u00e9er une base virtuelle \u00e0 proximit\u00e9 de votre rover via un r\u00e9seau CORS. Les utilisateurs b\u00e9n\u00e9ficient de corrections RTK au centim\u00e8tre pr\u00e8s via les r\u00e9seaux 3G\/4G\/5G, ce qui garantit une grande pr\u00e9cision sans avoir besoin d'une station de base locale.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7aa77b9d e-con-full e-flex e-con e-child\" data-id=\"7aa77b9d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20bad394 elementor-widget elementor-widget-text-editor\" data-id=\"20bad394\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le VRS dans la topographie : pr\u00e9sentation du r\u00e9seau de stations de r\u00e9f\u00e9rence virtuelles (RTK)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a69f032 e-con-full e-flex e-con e-child\" data-id=\"a69f032\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a47e0e4 elementor-widget elementor-widget-heading\" data-id=\"a47e0e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pourquoi le RTK \u00e0 base unique traditionnel limite votre flux de travail<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f79f567 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"2f79f567\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le RTK traditionnel repose sur une seule station de base physique, ce qui limite le champ d'action \u00e0 10-15 km. Les erreurs augmentent avec la distance, ce qui nuit \u00e0 la pr\u00e9cision. La mise en place quotidienne de la station de base repr\u00e9sente une perte de temps et de main-d'\u0153uvre. Les projets \u00e0 grande \u00e9chelle n\u00e9cessitent un syst\u00e8me VRS \u00e9volutif et stable dans le cadre d'un r\u00e9seau RTK de topographie pour obtenir des r\u00e9sultats coh\u00e9rents.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-659f957 e-con-full e-flex e-con e-child\" data-id=\"659f957\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-271194a elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"271194a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">RTK en r\u00e9seau, VRS et FKP : les diff\u00e9rences essentielles<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0cd7a90 elementor-widget elementor-widget-heading\" data-id=\"0cd7a90\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Qu'est-ce que le RTK en r\u00e9seau (NRTK) en topographie ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cbde57f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"cbde57f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le RTK en r\u00e9seau utilise des stations CORS reli\u00e9es entre elles plut\u00f4t qu'une seule station de base. Il mod\u00e9lise les erreurs spatiales \u00e0 l'\u00e9chelle du r\u00e9seau afin de g\u00e9n\u00e9rer des corrections pour de vastes zones. Cela permet un positionnement continu au centim\u00e8tre pr\u00e8s sur des centaines de kilom\u00e8tres, ce qui constitue la base des services VRS dans les domaines de la topographie, du FKP et du MAC.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0c30d72 e-con-full e-flex e-con e-child\" data-id=\"0c30d72\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-209a8b3 elementor-widget elementor-widget-heading\" data-id=\"209a8b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">VRS ou FKP : quelle m\u00e9thode est la mieux adapt\u00e9e aux lev\u00e9s \u00e0 grande \u00e9chelle ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82c7bea elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"82c7bea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le VRS en topographie cr\u00e9e une base virtuelle unique pour chaque utilisateur, transmettant des corrections RTK personnalis\u00e9es via une communication bidirectionnelle. Il fonctionne avec des r\u00e9cepteurs standard et excelle dans les t\u00e2ches dynamiques. Le FKP diffuse les param\u00e8tres de zone de mani\u00e8re unidirectionnelle, ce qui est plus simple mais moins pr\u00e9cis. En termes de pr\u00e9cision, le VRS en topographie surpasse le Network RTK.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a94010 e-con-full e-flex e-con e-child\" data-id=\"7a94010\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9c9f8f6 elementor-widget elementor-widget-heading\" data-id=\"9c9f8f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Les avantages du VRS par rapport au FKP pour les projets \u00e0 grande \u00e9chelle<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-26cfec0 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"26cfec0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le VRS en topographie adapte les corrections en temps r\u00e9el \u00e0 la position de l'utilisateur, garantissant ainsi une pr\u00e9cision constante de l'ordre du centim\u00e8tre. Il permet une itin\u00e9rance r\u00e9gionale fluide pour la cartographie, l'agriculture et la conduite autonome. Le FKP ne permet pas de r\u00e9glages sp\u00e9cifiques \u00e0 l'utilisateur et rencontre des difficult\u00e9s dans les environnements complexes. Le VRS en topographie offre un RTK en r\u00e9seau fiable et pr\u00e9cis.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a99e3b3 e-con-full e-flex e-con e-child\" data-id=\"a99e3b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-445abaa elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"445abaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Fonctionnement de la couverture RTK du r\u00e9seau VRS \u00e0 grande \u00e9chelle<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1adae6 elementor-widget elementor-widget-heading\" data-id=\"e1adae6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9seau CORS : la colonne vert\u00e9brale de la couverture VRS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b56e184 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b56e184\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>La VRS \u00e0 grande \u00e9chelle en topographie repose sur des r\u00e9seaux CORS denses, \u00e0 l'image des plus de 1 600 stations de Toknav en Chine. Chacune d'entre elles suit plusieurs syst\u00e8mes GNSS (BDS\/GPS\/GLONASS\/GALILEO) et transmet les donn\u00e9es en continu vers un serveur central. La redondance des stations garantit la continuit\u00e9 du service et permet de prendre en charge le r\u00e9seau RTK \u00e0 l'\u00e9chelle nationale.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a608460 e-con-full e-flex e-con e-child\" data-id=\"a608460\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-86f6cf6 elementor-widget elementor-widget-heading\" data-id=\"86f6cf6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Traitement des donn\u00e9es et g\u00e9n\u00e9ration de stations de r\u00e9f\u00e9rence virtuelles<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8985bd5 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8985bd5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le serveur central recueille les donn\u00e9es CORS, mod\u00e9lise les erreurs ionosph\u00e9riques et troposph\u00e9riques, puis interpole une station virtuelle \u00e0 proximit\u00e9 de l'utilisateur. Cette station de base virtuelle envoie des corrections RTCM au rover. Le rover calcule des positions pr\u00e9cises en temps r\u00e9el, atteignant une pr\u00e9cision de l'ordre du centim\u00e8tre gr\u00e2ce au VRS dans le cadre d'un r\u00e9seau RTK de topographie.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6383e54 e-con-full e-flex e-con e-child\" data-id=\"6383e54\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e120f99 elementor-widget elementor-widget-text-editor\" data-id=\"e120f99\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>R\u00e9seau de stations de r\u00e9f\u00e9rence virtuelles (VRS) en topographie : flux de traitement des donn\u00e9es RTK<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-73d37f7a e-con-full e-flex e-con e-child\" data-id=\"73d37f7a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4920070f elementor-widget elementor-widget-heading\" data-id=\"4920070f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Logique de couverture VRS : localisation sans interruption sur un vaste territoire<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2eefb10d elementor-widget elementor-widget-text-editor\" data-id=\"2eefb10d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Dans les r\u00e9seaux de lev\u00e9s topographiques, la technologie VRS divise les r\u00e9gions en cellules qui se chevauchent, chacune comprenant 3 \u00e0 5 stations CORS. \u00c0 mesure que les utilisateurs se d\u00e9placent, le syst\u00e8me cr\u00e9e de nouvelles stations virtuelles, supprimant ainsi les limites li\u00e9es \u00e0 l'utilisation d'une seule base. Cette conception \u201c toujours \u00e0 proximit\u00e9 \u201d permet une couverture RTK en r\u00e9seau stable et continue sur des centaines de kilom\u00e8tres.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-361cf275 e-con-full e-flex e-con e-child\" data-id=\"361cf275\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36411c82 elementor-widget elementor-widget-heading\" data-id=\"36411c82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Solution Toknav VRS CORS : mat\u00e9riel, logiciels et plateforme<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84d7894 elementor-widget elementor-widget-heading\" data-id=\"84d7894\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"> Pr\u00e9sentation de la soci\u00e9t\u00e9 Toknav et son expertise en mati\u00e8re de GNSS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2aacbf22 elementor-widget elementor-widget-text-editor\" data-id=\"2aacbf22\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Fond\u00e9e en 2019, Toknav (Guangzhou TokSurvey) est l'un des principaux fournisseurs chinois de solutions de positionnement de haute pr\u00e9cision. Son \u00e9quipe de R&amp;D compte des experts de l'IGS et propose une solution VRS compl\u00e8te, tant au niveau mat\u00e9riel que logiciel, pour la topographie. Ses produits sont certifi\u00e9s CE\/NGS\/IGS et sont commercialis\u00e9s dans plus de 60 pays.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-116802aa e-con-full e-flex e-con e-child\" data-id=\"116802aa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5360217 elementor-widget elementor-widget-heading\" data-id=\"5360217\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9cepteur GNSS NET660i : mat\u00e9riel de base pour les stations CORS VRS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-743baef3 elementor-widget elementor-widget-text-editor\" data-id=\"743baef3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le Toknav NET660i est un r\u00e9cepteur GNSS haute performance destin\u00e9 aux stations CORS. Il dispose de 1 408 super-canaux, prend en charge plusieurs syst\u00e8mes GNSS, offre une capacit\u00e9 de stockage de 32 Go et est dot\u00e9 d'un bo\u00eetier en alliage de magn\u00e9sium certifi\u00e9 IP65. Bas\u00e9 sur Linux+Qualcomm, il garantit une stabilit\u00e9 24 h\/24 et 7 j\/7 pour le VRS dans le cadre de l'infrastructure RTK de r\u00e9seau de lev\u00e9s.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4da6a99f e-con-full e-flex e-con e-child\" data-id=\"4da6a99f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-12dd56c5 elementor-widget elementor-widget-heading\" data-id=\"12dd56c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Antenne \u00e0 anneau d'arr\u00eat TCA920 : suivi de signal haute pr\u00e9cision<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4808f1a1 elementor-widget elementor-widget-text-editor\" data-id=\"4808f1a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>La TCA920 est une mini-antenne \u00e0 anneau de r\u00e9ticulation destin\u00e9e aux stations de base, prenant en charge les signaux GNSS sur toute la gamme de fr\u00e9quences, notamment BDS, GPS, GLONASS, GALILEO, QZSS et IRNSS. Elle offre une forte att\u00e9nuation des trajets multiples, ce qui la rend id\u00e9ale pour la surveillance terrestre, maritime et de d\u00e9formation dans le cadre de r\u00e9seaux VRS (VRS) utilis\u00e9s en topographie.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-61749bc e-con-full e-flex e-con e-child\" data-id=\"61749bc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-626c576 elementor-widget elementor-widget-heading\" data-id=\"626c576\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Plateforme de diffusion et de surveillance NTRIP d\u00e9velopp\u00e9e en interne<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c4e0cd elementor-widget elementor-widget-text-editor\" data-id=\"4c4e0cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le syst\u00e8me VRS de Toknav int\u00e9gr\u00e9 au logiciel de topographie comprend un NTRIP Caster autonome, prenant en charge le traitement multi-GNSS moderne et le traitement en temps r\u00e9el de haute pr\u00e9cision. La plateforme web assure la surveillance des r\u00e9seaux, des donn\u00e9es et des utilisateurs, et peut g\u00e9rer des millions d'utilisateurs simultan\u00e9s du Network RTK. Des algorithmes brevet\u00e9s placent le VRS de Toknav en t\u00eate des performances en Chine.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-490f020b elementor-align-left elementor-widget elementor-widget-button\" data-id=\"490f020b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/fr\/contact-us\/#contactus\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Demandez une d\u00e9monstration gratuite de VRS CORS et un devis<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-38270b10 e-con-full e-flex e-con e-child\" data-id=\"38270b10\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-46f666b8 elementor-widget elementor-widget-heading\" data-id=\"46f666b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Principaux avantages techniques de Toknav VRS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bed772c elementor-widget elementor-widget-heading\" data-id=\"bed772c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"> Pr\u00e9cision au centim\u00e8tre pr\u00e8s et performances en basses latitudes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e67a268 elementor-widget elementor-widget-text-editor\" data-id=\"7e67a268\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le syst\u00e8me Toknav VRS utilis\u00e9 en topographie offre une pr\u00e9cision constante de l'ordre du centim\u00e8tre \u00e0 l'\u00e9chelle nationale, m\u00eame aux basses latitudes o\u00f9 l'ionosph\u00e8re est active. Le traitement multi-GNSS et les mod\u00e8les ionosph\u00e9riques affin\u00e9s garantissent la stabilit\u00e9 du syst\u00e8me. L'\u00e9quipe Kepler dirige le Centre ionosph\u00e9rique IGS de l'universit\u00e9 de Wuhan, assurant ainsi un traitement RTK en r\u00e9seau de tr\u00e8s haut niveau.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7107f6b e-con-full e-flex e-con e-child\" data-id=\"7107f6b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c9bf4cb elementor-widget elementor-widget-heading\" data-id=\"c9bf4cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Haute stabilit\u00e9 et architecture r\u00e9seau redondante<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f329a2 elementor-widget elementor-widget-text-editor\" data-id=\"8f329a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Avec plus de 1 600 stations CORS, Toknav offre un service VRS stable et \u00e0 grande \u00e9chelle pour la topographie en r\u00e9seau RTK. La redondance du mat\u00e9riel et la r\u00e9partition des serveurs garantissent la disponibilit\u00e9 du syst\u00e8me. La gestion des donn\u00e9es, le traitement et les services aux utilisateurs fonctionnent de mani\u00e8re ind\u00e9pendante, avec une \u00e9volutivit\u00e9 permettant de prendre en charge un nombre consid\u00e9rable d'utilisateurs simultan\u00e9s.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-185c56d8 e-con-full e-flex e-con e-child\" data-id=\"185c56d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33bf9c73 elementor-widget elementor-widget-heading\" data-id=\"33bf9c73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Traitement fusionn\u00e9 satellite-sol (PPP-RTK + RTK en r\u00e9seau)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fbd510e elementor-widget elementor-widget-text-editor\" data-id=\"fbd510e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Toknav int\u00e8gre un traitement satellite-sol, combinant les technologies RTK en r\u00e9seau et PPP-RTK. Cela permet d'am\u00e9liorer la couverture et la pr\u00e9cision dans les zones recul\u00e9es o\u00f9 les stations CORS sont peu nombreuses. Le syst\u00e8me relie les centres IGS, offrant ainsi un positionnement de haute pr\u00e9cision et homog\u00e8ne \u00e0 l'\u00e9chelle mondiale via le VRS dans le domaine de la topographie.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a162966 e-con-full e-flex e-con e-child\" data-id=\"a162966\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b140ac elementor-widget elementor-widget-heading\" data-id=\"7b140ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Capacit\u00e9 d'accueil tr\u00e8s \u00e9lev\u00e9e et couverture nationale<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5cec650 elementor-widget elementor-widget-text-editor\" data-id=\"5cec650\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Le r\u00e9seau VRS de Toknav couvre la majeure partie de la Chine et dessert des millions d'utilisateurs du r\u00e9seau RTK. Il prend en charge la topographie, les drones agricoles, la surveillance des b\u00e2timents, la pr\u00e9vention des catastrophes, la navigation routi\u00e8re et les v\u00e9hicules \u00e9lectriques \u2014 autant d'applications vari\u00e9es qui reposent sur un VRS stable.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1b30814 e-con-full e-flex e-con e-child\" data-id=\"1b30814\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-54f1053 elementor-widget elementor-widget-heading\" data-id=\"54f1053\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sc\u00e9narios d'application et avantages de Toknav VRS<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b18f3d0 elementor-widget elementor-widget-heading\" data-id=\"b18f3d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">G\u00e9od\u00e9sie, cartographie et gestion municipale<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3077b7c elementor-widget elementor-widget-text-editor\" data-id=\"3077b7c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Les pouvoirs publics utilisent le Toknav VRS pour les lev\u00e9s g\u00e9od\u00e9siques, la cartographie et l'am\u00e9nagement du territoire. Une pr\u00e9cision de l'ordre du centim\u00e8tre garantit la fiabilit\u00e9 des donn\u00e9es relatives aux infrastructures, aux limites fonci\u00e8res et aux am\u00e9nagements urbains. Le r\u00e9seau RTK, stable 24 heures sur 24 et 7 jours sur 7, permet la mise \u00e0 jour des donn\u00e9es g\u00e9ospatiales \u00e0 l'\u00e9chelle nationale.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a91d8f5 e-con-full e-flex e-con e-child\" data-id=\"a91d8f5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a0231c6 elementor-widget elementor-widget-heading\" data-id=\"a0231c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Agriculture de pr\u00e9cision et agriculture intelligente<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a8d38f elementor-widget elementor-widget-text-editor\" data-id=\"7a8d38f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Selon une enqu\u00eate, les agriculteurs adoptent le syst\u00e8me Toknav VRS pour la cartographie \u00e0 l'aide de drones agricoles, de tracteurs autonomes et pour l'\u00e9chantillonnage des sols. Le positionnement au centim\u00e8tre pr\u00e8s permet un semis, une fertilisation et un suivi des rendements pr\u00e9cis. Gr\u00e2ce \u00e0 des co\u00fbts de base r\u00e9duits et \u00e0 une mise en \u0153uvre ais\u00e9e, l'agriculture de haute pr\u00e9cision devient accessible via le r\u00e9seau RTK.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-46ca1ff e-con-full e-flex e-con e-child\" data-id=\"46ca1ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-934e44b elementor-widget elementor-widget-heading\" data-id=\"934e44b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Transports, navigation et conduite autonome<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38704bd elementor-widget elementor-widget-text-editor\" data-id=\"38704bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>La solution Toknav VRS pour la topographie permet un positionnement des v\u00e9hicules au niveau de la voie, destin\u00e9 \u00e0 la gestion du trafic et \u00e0 la conduite autonome. Elle fournit des corrections fiables dans les canyons urbains, sur les autoroutes et en zone rurale. Sa grande stabilit\u00e9 et sa faible latence renforcent la s\u00e9curit\u00e9 et l'efficacit\u00e9 de la mobilit\u00e9 connect\u00e9e gr\u00e2ce au RTK en r\u00e9seau.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1f71bc5 e-con-full e-flex e-con e-child\" data-id=\"1f71bc5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4cfeaf3 elementor-widget elementor-widget-heading\" data-id=\"4cfeaf3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Surveillance des d\u00e9formations et pr\u00e9vention des catastrophes g\u00e9ologiques<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e2a412 elementor-widget elementor-widget-text-editor\" data-id=\"7e2a412\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Pour les barrages, les ponts et les pentes, le syst\u00e8me Toknav VRS permet une surveillance en temps r\u00e9el des d\u00e9formations. Le suivi continu au centim\u00e8tre pr\u00e8s d\u00e9tecte les moindres mouvements afin de d\u00e9clencher des alertes pr\u00e9coces. La redondance multi-stations garantit la fiabilit\u00e9 dans les environnements difficiles, prot\u00e9geant ainsi des vies gr\u00e2ce au RTK en r\u00e9seau.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-09b659d e-con-full e-flex e-con e-child\" data-id=\"09b659d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-006883d elementor-widget elementor-widget-heading\" data-id=\"006883d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Exemples de r\u00e9ussite et d\u00e9ploiement mondial de la couverture RTK en r\u00e9seau<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6756212 elementor-widget elementor-widget-heading\" data-id=\"6756212\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9seau national chinois VRS : plus de 1 600 stations CORS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63a0a5e elementor-widget elementor-widget-text-editor\" data-id=\"63a0a5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Toknav exploite l'un des plus grands r\u00e9seaux VRS priv\u00e9s de Chine dans le domaine de la topographie, avec plus de 1 600 stations CORS. Ce r\u00e9seau fonctionne 24 heures sur 24, 7 jours sur 7, et prend en charge les syst\u00e8mes multi-GNSS ainsi que la mise en r\u00e9seau adaptative. Des millions d'utilisateurs y ont recours quotidiennement pour la topographie, l'agriculture, les transports et les services RTK publics.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dbfb2be e-con-full e-flex e-con e-child\" data-id=\"dbfb2be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-329fa91 elementor-widget elementor-widget-heading\" data-id=\"329fa91\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\"> Projet national VRS au Sri Lanka : plus de 30 stations CORS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ff8a01 elementor-widget elementor-widget-text-editor\" data-id=\"4ff8a01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Toknav a d\u00e9ploy\u00e9 un r\u00e9seau VRS national au Sri Lanka, comprenant plus de 30 stations CORS, offrant ainsi une couverture RTK sans faille. Ce r\u00e9seau est utilis\u00e9 dans les domaines de la topographie, de la cartographie marine, de l'agriculture et des infrastructures. Il d\u00e9montre la capacit\u00e9 de Toknav \u00e0 mettre en place des r\u00e9seaux VRS nationaux.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4a6ea260 e-con-full e-flex e-con e-child\" data-id=\"4a6ea260\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-57a96f1d elementor-widget elementor-widget-text-editor\" data-id=\"57a96f1d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>R\u00e9seau de stations de r\u00e9f\u00e9rence virtuelles (VRS) dans le domaine de la topographie : d\u00e9ploiement mondial de la technologie RTK<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7818f17 e-con-full e-flex e-con e-child\" data-id=\"7818f17\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1658b646 elementor-widget elementor-widget-heading\" data-id=\"1658b646\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi choisir Toknav pour votre solution VRS CORS ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-06ffd51 elementor-widget elementor-widget-heading\" data-id=\"06ffd51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Technologie et brevets d\u00e9velopp\u00e9s en interne (full-stack)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a9a05a5 elementor-widget elementor-widget-text-editor\" data-id=\"1a9a05a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Toknav d\u00e9tient l'int\u00e9gralit\u00e9 des droits de propri\u00e9t\u00e9 intellectuelle li\u00e9s \u00e0 la technologie VRS, qu'il s'agisse des algorithmes de lev\u00e9, des logiciels ou du mat\u00e9riel. L'entreprise est titulaire de brevets et peut se pr\u00e9valoir de r\u00e9alisations universitaires. Sa capacit\u00e9 \u00ab full-stack \u00bb permet une personnalisation, des mises \u00e0 jour stables et une prise en charge rapide du RTK en r\u00e9seau, des atouts que les syst\u00e8mes g\u00e9n\u00e9riques ne peuvent \u00e9galer.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4075bf49 e-con-full e-flex e-con e-child\" data-id=\"4075bf49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26e7442 elementor-widget elementor-widget-heading\" data-id=\"26e7442\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Certifications internationales et exp\u00e9rience \u00e0 l'exportation<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3520e614 elementor-widget elementor-widget-text-editor\" data-id=\"3520e614\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Les produits Toknav sont certifi\u00e9s CE\/NGS\/IGS\/KC et r\u00e9pondent aux normes internationales. Export\u00e9s vers plus de 60 pays, ils s'adaptent aux r\u00e9glementations et aux environnements r\u00e9gionaux. Gr\u00e2ce \u00e0 une base d'utilisateurs mondiale et \u00e0 une fiabilit\u00e9 \u00e9prouv\u00e9e, ils r\u00e9duisent les risques pour les nouveaux VRS lors du d\u00e9ploiement de r\u00e9seaux RTK dans le domaine de la topographie.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f28bc2a e-con-full e-flex e-con e-child\" data-id=\"f28bc2a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-90a2e95 elementor-widget elementor-widget-heading\" data-id=\"90a2e95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Assistance technique professionnelle et conception sur mesure<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-672794b elementor-widget elementor-widget-text-editor\" data-id=\"672794b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Toknav propose une gamme compl\u00e8te de services : planification, choix du site, installation, \u00e9talonnage, formation et maintenance. L'\u00e9quipe assure une assistance \u00e0 distance et sur site 24 heures sur 24, 7 jours sur 7. Les syst\u00e8mes VRS sur mesure destin\u00e9s \u00e0 la topographie r\u00e9pondent aux besoins r\u00e9gionaux en mati\u00e8re de couverture et de pr\u00e9cision du r\u00e9seau RTK.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-76ba929b e-con-full e-flex e-con e-child\" data-id=\"76ba929b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cd8f159 elementor-widget elementor-widget-heading\" data-id=\"6cd8f159\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion : le VRS, l'avenir de la topographie RTK \u00e0 grande \u00e9chelle<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c4fa4d elementor-widget elementor-widget-heading\" data-id=\"1c4fa4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">R\u00e9capitulatif : VRS propose un r\u00e9seau RTK \u00e9volutif avec une pr\u00e9cision au centim\u00e8tre pr\u00e8s<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7fc615ca elementor-widget elementor-widget-text-editor\" data-id=\"7fc615ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Dans le domaine de la topographie, le VRS surmonte les limites de port\u00e9e traditionnelles du RTK en cr\u00e9ant des bases virtuelles \u00e0 partir des r\u00e9seaux CORS. Il offre une pr\u00e9cision de l'ordre du centim\u00e8tre, une couverture \u00e9tendue et homog\u00e8ne, ainsi que des \u00e9conomies de co\u00fbts. Le VRS surpasse le FKP et le RTK \u00e0 base unique en termes de pr\u00e9cision, de flexibilit\u00e9 et d'\u00e9volutivit\u00e9 dans le cadre de grands projets.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-56465866 e-con-full e-flex e-con e-child\" data-id=\"56465866\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cb4c99c elementor-widget elementor-widget-heading\" data-id=\"6cb4c99c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Toknav : votre partenaire de confiance pour le d\u00e9ploiement du syst\u00e8me VRS CORS<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2644b898 elementor-widget elementor-widget-text-editor\" data-id=\"2644b898\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Toknav se distingue par ses solutions mat\u00e9rielles et logicielles d\u00e9velopp\u00e9es en interne, ses r\u00e9seaux CORS denses, son optimisation pour les basses latitudes et la fusion des donn\u00e9es satellitaires et terrestres. L'entreprise fournit des services VRS stables et de haute pr\u00e9cision dans le domaine de la topographie pour les secteurs public, agricole et des transports, ainsi que pour la surveillance \u00e0 l'\u00e9chelle mondiale.<\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d35be1e e-con-full e-flex e-con e-child\" data-id=\"d35be1e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40bd551 elementor-widget elementor-widget-heading\" data-id=\"40bd551\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Passez \u00e0 l'action : adoptez Toknav VRS pour votre prochain projet<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62356a1 elementor-widget elementor-widget-text-editor\" data-id=\"62356a1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"desc\"><div class=\"desc\"><p>Pr\u00eat \u00e0 passer au VRS \u00e0 grande \u00e9chelle pour vos lev\u00e9s RTK en r\u00e9seau ? Toknav propose des solutions \u00e9prouv\u00e9es et \u00e9volutives, adapt\u00e9es \u00e0 vos besoins. Commencez par une d\u00e9monstration, d\u00e9couvrez la technologie et b\u00e9n\u00e9ficiez d'un positionnement au centim\u00e8tre pr\u00e8s, \u00e0 tout moment et en tout lieu.<a href=\"https:\/\/toknavgnss.com\/fr\/vrs-solution\/\">https:\/\/toknavgnss.com\/en\/vrs-solution\/<\/a><\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home What is VRS in Surveying? Wide-Area Network RTK Coverage &amp; Toknav Solution 2026-05-26 Introduction to VRS (Virtual Reference Station) Defining VRS as the Core of Modern Network RTK VRS in surveying, short for Virtual Reference Station, is the leading Network RTK technology for professional work. It builds a virtual base near your rover via [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[53],"tags":[],"class_list":["post-18084","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"jeffreyrtk@gmail.com","author_link":"https:\/\/toknavgnss.com\/fr\/author\/jeffreyrtkgmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Home What is VRS in Surveying? Wide-Area Network RTK Coverage &amp; Toknav Solution 2026-05-26 Introduction to VRS (Virtual Reference Station) Defining VRS as the Core of Modern Network RTK VRS in surveying, short for Virtual Reference Station, is the leading Network RTK technology for professional work. 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