{"id":2596,"date":"2019-12-17T12:58:06","date_gmt":"2019-12-17T11:58:06","guid":{"rendered":"https:\/\/guide-gnss.com\/?page_id=2596"},"modified":"2024-10-15T13:40:38","modified_gmt":"2024-10-15T11:40:38","slug":"essais-gnss-sur-site","status":"publish","type":"page","link":"https:\/\/guide-gnss.com\/fr\/essais-gnss-sur-site\/","title":{"rendered":"Essais GNSS sur site"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; fullwidth=\u00a0\u00bbon\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; saved_tabs=\u00a0\u00bball\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_fullwidth_header title=\u00a0\u00bbEssais GNSS sur site\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; title_font=\u00a0\u00bbMontserrat|700|||||||\u00a0\u00bb title_text_align=\u00a0\u00bbcenter\u00a0\u00bb title_font_size=\u00a0\u00bb32px\u00a0\u00bb title_letter_spacing=\u00a0\u00bb3px\u00a0\u00bb subhead_font=\u00a0\u00bbMontserrat|600|||||||\u00a0\u00bb subhead_text_align=\u00a0\u00bbcenter\u00a0\u00bb subhead_font_size=\u00a0\u00bb20px\u00a0\u00bb use_background_color_gradient=\u00a0\u00bbon\u00a0\u00bb background_color_gradient_stops=\u00a0\u00bb#375882 0%|#4370a0 100%\u00a0\u00bb background_color_gradient_start=\u00a0\u00bb#375882&Prime; background_color_gradient_end=\u00a0\u00bb#4370a0&Prime; background_image=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2021\/06\/guide-gnss-home-2021.png\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2 style=\"text-align: center; font-size: 20px;\">Essais sur le terrain, en conditions r\u00e9elles, de terminaux \u00e0 base de technologies GNSS<\/h2>\n<p>[\/et_pb_fullwidth_header][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb15px||9px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2>En Quoi consiste les Essais GNSS sur Site?<\/h2>\n<p>Les essais en situations r\u00e9elles \u00e0 bord d\u2019un v\u00e9hicule l\u00e9ger sont en principe les premiers mis en \u0153uvre par les utilisateurs. Ils se limitent souvent \u00e0 des mesures de position en p\u00e9riph\u00e9rie des locaux avec une id\u00e9e tr\u00e8s approximative de la trajectoire r\u00e9ellement trac\u00e9e par l\u2019antenne embarqu\u00e9e.<\/p>\n<p>Paradoxalement, les essais r\u00e9els sont les plus complexes \u00e0 analyser. Sur un banc, les conditions d\u2019essais sont connues \u00e0 d\u00e9faut d\u2019\u00eatre contr\u00f4l\u00e9es. Dans le monde r\u00e9el, les facteurs susceptibles d\u2019impacter les mesures sont multiples. Dans la mesure du possible, les essais sur site sont r\u00e9serv\u00e9s aux phases d\u2019int\u00e9gration finales.[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2019\/10\/GNSS_Tramways.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb10px||7px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2>O\u00f9 r\u00e9aliser des Essais GNSS sur Site?<\/h2>\n<p>GUIDE dispose d\u2019un v\u00e9hicule d\u2019essais bien instrument\u00e9 pour r\u00e9aliser des campagnes de collecte dans des environnements pr\u00e9alablement caract\u00e9ris\u00e9s. N\u00e9anmoins, cette instrumentation peut \u00e9galement \u00eatre install\u00e9e dans diff\u00e9rents types de v\u00e9hicules comme ce fut le cas sur des trains, des tramways, des robots agricoles, des bateaux, des avions et des h\u00e9licopt\u00e8res.<\/p>\n<p>Les mesures de positions sont r\u00e9alis\u00e9es dans les conditions les plus repr\u00e9sentatives des profils de mission.<\/p>\n<p>La planification des campagnes adresse les probl\u00e9matiques les plus sp\u00e9cifiques en b\u00e9n\u00e9ficiant des moyens logistiques du donneur d\u2019ordres.<\/p>\n<p>Les analyses prennent en compte l\u2019ensemble des \u00e9l\u00e9ments intervenant dans la d\u00e9termination des positions.[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><em>Synth\u00e8se :<\/em><\/h3>\n<ul>\n<li><em>Configuration&nbsp;d\u2019essais au plus proche des profils de mission&nbsp;: Environnements, v\u00e9hicules, dynamiques et conditions d\u2019ambiance&nbsp;;<\/em><\/li>\n<li><em>B\u00e9n\u00e9fices des moyens d\u2019essais mis \u00e0 disposition des donneurs d\u2019ordres ;<\/em><\/li>\n<li><em>Utilisation, le cas \u00e9ch\u00e9ant d\u2019un v\u00e9hicule d\u2019essais compl\u00e8tement instrument\u00e9.<\/em><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2019\/10\/GNSS-GCAR-GUIDE-Test-Vehicle.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb6px||9px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2>Pourquoi r\u00e9aliser des Essais GNSS sur Site?<\/h2>\n<p>Les campagnes de collectes en situations r\u00e9elles ont comme principal avantage de fournir des mesures repr\u00e9sentatives des missions \u00e0 remplir. Si par nature les phases d\u2019essais ne sont pas r\u00e9p\u00e9tables, il est toutefois possible d\u2019embarquer une instrumentation de num\u00e9risation des signaux GNSS et d\u2019enregistrement des mesures de capteurs pour les rejouer ult\u00e9rieurement en laboratoire. Ces donn\u00e9es contribueront \u00e0 am\u00e9liorer les analyses.<\/p>\n<p>Les essais r\u00e9els s\u2019av\u00e8rent actuellement la seule solution pour \u00e9valuer des syst\u00e8mes de positionnements hybridant plusieurs technologies, comme par exemple&nbsp;: R\u00e9cepteurs GNSS, Corrections NRTK, Unit\u00e9s Inertielles, Odom\u00e8tres, \u2026 En plus, ce type d\u2019essais int\u00e8gre \u00e9galement les conditions d\u2019installation et d\u2019ambiance, comme les vibrations, les temp\u00e9ratures extr\u00eames ou encore les ondes \u00e9lectromagn\u00e9tiques susceptibles brouill\u00e9s des signaux GNSS.<\/p>\n<p>Outre l\u2019impl\u00e9mentation de son instrumentation de m\u00e9trologie, le laboratoire d\u2019essais GUIDE apportent son exp\u00e9rience pour identifier les diff\u00e9rents facteurs \u00e0 consid\u00e9rer dans les analyses. La pertinence des recommandations est directement conditionn\u00e9e par le choix des cas d\u2019essais \u00e0 planifier.[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><em>Synth\u00e8se :<\/em><\/h3>\n<ul>\n<li><em>Mesures de position repr\u00e9sentatives (et r\u00e9p\u00e9titives en num\u00e9risant et en enregistrant les donn\u00e9es d\u2019essais) ;<\/em><\/li>\n<li><em>Impl\u00e9mentation des syst\u00e8mes de positionnement int\u00e9grant (hybridant) l\u2019ensemble des \u00e9quipements utiles \u00e0 la g\u00e9olocalisation ;<\/em><\/li>\n<li><em>Mise sous influence de l\u2019ensemble des facteurs susceptibles d\u2019influencer les mesures de positions.<\/em><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2024\/10\/GNSS-GUIDE-Aero-Aircraft-1024&#215;601-2.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.21.0&Prime; hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb alt=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;un avion\u00a0\u00bb title_text=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;un avion\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.21.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb10px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\"><em>Figure 1 \u2013 Test GNSS \u00e0 bord d&rsquo;un avion<\/em><\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2024\/10\/GNSS-RR-Test-Campaign-1024&#215;622-2.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.21.0&Prime; hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb alt=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;un train\u00a0\u00bb title_text=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;un train\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.21.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb10px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\"><em>Figure 2 \u2013 Test GNSS \u00e0 bord d&rsquo;un train<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb7px||7px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; custom_padding=\u00a0\u00bb4px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2>Comment r\u00e9aliser des essais GNSS sur site?<\/h2>\n<p>La planification des essais sur site commence par l\u2019identification des zones qui seront travers\u00e9es par le v\u00e9hicule d\u2019essais. Celles-ci doivent regrouper les diff\u00e9rents types de milieux susceptibles de provoquer des erreurs. Une caract\u00e9risation des environnements s\u00e9lectionn\u00e9s est recommand\u00e9e pour encha\u00eener les diff\u00e9rentes portions avec pertinence.<\/p>\n<p>Le v\u00e9hicule instrument\u00e9 doit \u00eatre repr\u00e9sentatif de ceux sur lesquels les terminaux GNSS seront install\u00e9s. A d\u00e9faut, GUIDE dispose d\u2019un mini van pr\u00e9-\u00e9quip\u00e9 pour proposer une mise en \u0153uvre rapide des campagnes de mesure.<\/p>\n<p>Le v\u00e9hicule d\u2019essais doit embarquer les dispositifs sous test (DUT) et l\u2019instrumentation de m\u00e9trologie comprenant notamment&nbsp;:<\/p>\n<ul>\n<li>Une instrumentation de r\u00e9f\u00e9rence : une antenne, un r\u00e9cepteur GNSS professionnel, une centrale inertielle de pr\u00e9cision et un odom\u00e8tre,<\/li>\n<li>Une instrumentation de num\u00e9risation,<\/li>\n<li>Une instrumentation de contr\u00f4le : R\u00e9cepteur de m\u00e9trologie, une vid\u00e9o panoramique.<\/li>\n<\/ul>\n<p>Les mesures de position relev\u00e9es sur les DUT* seront compar\u00e9es avec la v\u00e9rit\u00e9 terrain consolid\u00e9e \u00e0 partir des donn\u00e9es issues de l\u2019instrumentation de r\u00e9f\u00e9rence. Les erreurs de positions sont \u00e9tudi\u00e9es pour disposer d\u2019un profil le plus exact possible des DUT*.<\/p>\n<p>L\u2019usage d\u2019un num\u00e9riseur s\u2019av\u00e8re souvent d\u00e9terminant pour affiner les analyses notamment en isolant les erreurs dite \u00ab&nbsp;al\u00e9atoires&nbsp;\u00bb.<\/p>\n<p>(*) DUT : Dispositif sous test (Device Under Test).[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h3><em>Synth\u00e8se :<\/em><\/h3>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><em>Circulation d\u2019un v\u00e9hicule d\u2019essai de d\u00e9finition avec les dispositions sous test (DUT) ;<\/em><\/li>\n<li><em>S\u00e9lection et caract\u00e9risation des environnements d\u2019essais ;<\/em><\/li>\n<li><em>Instrumentalisation du v\u00e9hicule pour disposer d\u2019une r\u00e9f\u00e9rence, d\u2019une num\u00e9risation et des moyens de contr\u00f4le ;<\/em><\/li>\n<li><em>Analyse des erreurs sur les mesures de position.<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2024\/10\/GNSS-Vehicle-Smartphone-test-1.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.21.0&Prime; hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb alt=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;une voiture\u00a0\u00bb title_text=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;une voiture\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.21.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb10px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\"><em>Figure 3 \u2013 Test GNSS \u00e0 bord d&rsquo;une voiture<\/em><\/p>\n<p>[\/et_pb_text][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2024\/10\/GNSS_Agricultural-Robot-1-1024&#215;658-2.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.21.0&Prime; hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb alt=\u00a0\u00bbTest GNSS embarqu\u00e9 sur un robot agricole\u00a0\u00bb title_text=\u00a0\u00bbTest GNSS embarqu\u00e9 sur un robot agricole\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.21.0&Prime; text_font_size=\u00a0\u00bb10px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\">Figure 4 \u2013 Test GNSS embarqu\u00e9 sur un robot agricole avec Agreenculture<\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_2,1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2024\/10\/GUIDE-Saint-Paul-les-Dax.png\u00a0\u00bb _builder_version=\u00a0\u00bb4.21.0&Prime; hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb alt=\u00a0\u00bbInstrumentation GNSS \u00e0 bord d&rsquo;un v\u00e9hicule d&rsquo;essai\u00a0\u00bb title_text=\u00a0\u00bbInstrumentation GNSS \u00e0 bord d&rsquo;un v\u00e9hicule d&rsquo;essai\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.21.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb10px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\"><em>Figure 5 \u2013 Instrumentation GNSS \u00e0 bord d&rsquo;un v\u00e9hicule d&rsquo;essai<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_2&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/guide-gnss.com\/wp-content\/uploads\/2024\/10\/GNSS-TRAMWAY-2-1-1024&#215;763-2.jpg\u00a0\u00bb _builder_version=\u00a0\u00bb4.21.0&Prime; hover_enabled=\u00a0\u00bb0&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb alt=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;un tramway\u00a0\u00bb title_text=\u00a0\u00bbTest GNSS \u00e0 bord d&rsquo;un tramway\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.21.0&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb text_font_size=\u00a0\u00bb10px\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; sticky_enabled=\u00a0\u00bb0&Prime;]<\/p>\n<p style=\"text-align: center;\"><em>Figure 6 \u2013 Test GNSS \u00e0 bord d&rsquo;un tramway<\/em><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.16&Prime; background_color=\u00a0\u00bb#375882&Prime; custom_padding=\u00a0\u00bb5px||8px|||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_row column_structure=\u00a0\u00bb1_2,1_6,1_6,1_6&Prime; _builder_version=\u00a0\u00bb4.16&Prime; 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_builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_button button_url=\u00a0\u00bbhttps:\/\/guide-gnss.com\/fr\/record-replay\/\u00a0\u00bb button_text=\u00a0\u00bbEssais GNSS en rejeu\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#253b82&Prime; button_bg_color=\u00a0\u00bb#ffffff\u00a0\u00bb button_icon=\u00a0\u00bb&#x39;||divi||400&Prime; button_on_hover=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_6&Prime; _builder_version=\u00a0\u00bb4.16&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_button button_url=\u00a0\u00bbhttps:\/\/guide-gnss.com\/fr\/simulateur-de-constellations\/\u00a0\u00bb button_text=\u00a0\u00bbEssais GNSS en simulation\u00a0\u00bb _builder_version=\u00a0\u00bb4.16&Prime; custom_button=\u00a0\u00bbon\u00a0\u00bb button_text_color=\u00a0\u00bb#253b82&Prime; button_bg_color=\u00a0\u00bb#ffffff\u00a0\u00bb button_icon=\u00a0\u00bb&#x39;||divi||400&Prime; button_on_hover=\u00a0\u00bboff\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Essais sur le terrain, en conditions r\u00e9elles, de terminaux \u00e0 base de technologies GNSSEn Quoi consiste les Essais GNSS sur Site? Les essais en situations r\u00e9elles \u00e0 bord d\u2019un v\u00e9hicule l\u00e9ger sont en principe les premiers mis en \u0153uvre par les utilisateurs. Ils se limitent souvent \u00e0 des mesures de position en p\u00e9riph\u00e9rie des locaux [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.11 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Essais GNSS sur site - GUIDE GNSS<\/title>\n<meta name=\"description\" content=\"Les essais GNSS sur site sont des tests en environnement r\u00e9el. 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