Positioning accuracy analysis of GPS/BDS/GLONASS network RTK based on DREAMNET

被引：0
|
作者：
Yao Y. [1 ,2 ,3 ]
Hu M. [1 ]
Xu C. [1 ]
机构：
[1] School of Geodesy and Geomatics, Wuhan University, Wuhan
[2] Key Laboratory of Geospace Environment and Geodesy, Ministry of Education, Wuhan University, Wuhan
[3] Collaborative Innovation Center for Geospatial Technology, Wuhan
来源：
| 1600年 / SinoMaps Press卷 / 45期
基金：
中国国家自然科学基金;
关键词：
BDS; GLONASS; GPS; Network RTK; Positioning accuracy comparison;
D O I：
10.11947/j.AGCS.2016.20160133
中图分类号：
学科分类号：
摘要：
With BDS being continually providing service in the Asia-Pacific Region, GLONASS being fully operational with 24 satellites in orbit again and GPS modernization, multi-GNSS network RTK will become the development trend of network RTK in the future. The data of multi-GNSS will be process by data reserving, editing and managing system of network RTK (DREAMNET), which developed independently by this research group, to analyze and compare the positioning accuracy between different combinations of global navigation satellite system. According to the experiment, the positioning accuracy of GPS/BDS/GLONASS network RTK and GPS/BDS network RTK is highest, GPS and BDS only second. Besides, with the increasing of the cut-off elevation, the availability of single GPS network RTK significantly reduces. However with 40° cut-off elevations, positioning service with the accuracy of 0.005 m in horizontal, 0.025 m in vertical will be provided by GPS/BDS/GLONASS network RTK in 99.84% time of a day. Finally, the statistics of positioning accuracy for 15 days show that the accuracy of 0.01 m in horizontal, 0.025 m in vertical could be reached in six situations, which including BDS and BDS/GLONASS network RTK. Besides, the accuracy of 0.006 m in horizontal, 0.015 m in vertical could be reached by GPS/BDS/GLONASS network RTK, proving that the positioning accuracy and stability of DREAMNET can meet the needs of surveying and mapping. © 2016, Surveying and Mapping Press. All right reserved.
引用
收藏
页码：1009 / 1018
页数：9
相关论文
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