Praktické aspekty měření Real-Time Kinematic s aparaturami Topcon HiPer+ a Trimble SPS855 v sítích CZEPOS a TOPNET
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2024-02-28
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Vysoké učení technické v Brně,Fakulta stavební
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Metoda Real-Time Kinematic je nejčastěji používaná metoda globálních navigačních družicových systémů (GNSS) pro určování polohy v geodetické praxi. V rámci článku je posuzováno chování dvou GNSS aparatur Topcon HiPer+ a Trimble SPS855 při určování polohy metodou RTK s použitím korekcí poskytovaných sítěmi permanentních stanic CZEPOS a TopNet. Konkrétně bylo hodnoceno použití 4 typů korekcí ze sítě CZEPOS a 4 typů korekcí ze sítě TopNet. Chování aparatur je posuzováno jednak podle doby potřebné pro provedení počáteční inicializace a doby potřebné pro průměrování výsledku měření a jednak podle středních chyb vertikální složky polohy. V rámci hodnocení bylo zjištěno, že aparatura Trimble SPS855 fixuje rychleji než aparatura Topcon HiPer+ (3,6 minuty vs. 5,7 minuty). Režijní doba průměrování je o něco kratší u aparatury Topcon HiPer+ než u aparatury Trimble SPS855 (30 sekund vs. 37 sekund), což souvisí zejména s intuitivností ovládacího software v kontroleru. Celkově je konstatováno, že aparatuře Topcon HiPer+ více vyhovují korekce ze sítě TopNet a aparatura Trimble SPS855 pracuje lépe s korekcemi ze sítě CZEPOS.
The Real-Time Kinematic method is the most commonly used Global Navigation Satellite Systems (GNSS) method for positioning in geodetic practice. Within the framework of the article, the behavior of two GNSS devices Topcon HiPer+ and Trimble SPS855 during positioning by RTK method using corrections provided by networks of permanent stations CZEPOS and TopNet is assessed. Specifically, the use of 4 types of corrections from the CZEPOS network and 4 types of corrections from the TopNet network were evaluated. The behavior of the devices is assessed both according to the time required to perform the initial initialization and the time required to average the measurement result, and also according to the RMS (root mean square) error of the vertical component of the position. The evaluation found that the Trimble SPS855 fixed faster than the Topcon HiPer+ (3.6 minutes vs. 5.7 minutes). The averaging time is slightly shorter with the Topcon HiPer+ apparatus than with the Trimble SPS855 apparatus (30 seconds vs. 37 seconds), which is mainly related to the intuitiveness of the control software in the controller. Overall, it is stated that the Topcon HiPer+ equipment is more suitable for corrections from the TopNet network, and the Trimble SPS855 equipment works better with corrections from the CZEPOS network.
The Real-Time Kinematic method is the most commonly used Global Navigation Satellite Systems (GNSS) method for positioning in geodetic practice. Within the framework of the article, the behavior of two GNSS devices Topcon HiPer+ and Trimble SPS855 during positioning by RTK method using corrections provided by networks of permanent stations CZEPOS and TopNet is assessed. Specifically, the use of 4 types of corrections from the CZEPOS network and 4 types of corrections from the TopNet network were evaluated. The behavior of the devices is assessed both according to the time required to perform the initial initialization and the time required to average the measurement result, and also according to the RMS (root mean square) error of the vertical component of the position. The evaluation found that the Trimble SPS855 fixed faster than the Topcon HiPer+ (3.6 minutes vs. 5.7 minutes). The averaging time is slightly shorter with the Topcon HiPer+ apparatus than with the Trimble SPS855 apparatus (30 seconds vs. 37 seconds), which is mainly related to the intuitiveness of the control software in the controller. Overall, it is stated that the Topcon HiPer+ equipment is more suitable for corrections from the TopNet network, and the Trimble SPS855 equipment works better with corrections from the CZEPOS network.
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Družicové metody v teorii a praxi 2024, s. 47-56. ISBN 978-80-86433-84-4.
http://geodesy.fce.vutbr.cz/konference/gnss-seminar/
http://geodesy.fce.vutbr.cz/konference/gnss-seminar/
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© Vysoké učení technické v Brně,Fakulta stavební