基于GPS/北斗组合系统的高轨卫星定位技术研究

赵彦珍

doi:10.11728/cjss2016.01.077

基于GPS/北斗组合系统的高轨卫星定位技术研究

doi: 10.11728/cjss2016.01.077 cstr: 32142.14.cjss2016.01.077

赵彦珍^,

1.
中国科学院国家空间科学中心北京 100190
2.
中国科学院大学北京 100049

详细信息

通讯作者:

赵彦珍,E-mail:yzyz181858@163.com

中图分类号: V249
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出版历程
- 收稿日期: 2015-01-07
- 修回日期: 2015-09-04
- 刊出日期: 2016-01-15

Positioning of high Earth orbit satellite using GPS/Beidou combined system

ZHAO Yanzhen^,

1.
National Space Science Center, Chinese Academy of Sciences, Beijing 100190
2.
University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049

摘要

摘要: 针对目前高轨GPS信号可用性差及定位精度低的特点, 对GPS/北斗组合系统的高轨卫星定位技术进行研究, 对比分析了单GPS系统与GPS/北斗组合系统的卫星可见性和几何精度因子. 结果表明, GPS/北斗组合系统比单GPS系统的卫星可见性好, 且定位精度高. 同时通过提出在星载接收机上采用高精度原子钟, 可实现三星定位, 降低对接收机的技术要求.
- GPS系统 /
- 北斗系统 /
- 可见性 /
- 几何精度因子 /
- 星载接收机
Abstract: The characteristics of current high orbit GPS (Global Positioning System) signal are of poor availability and low positioning accuracy. Positioning of high Earth orbit satellites using GPS/Beidou combined system is studied. The visibility of navigation satellites and the Geometric Dilution of Precision (GDOP) are analyzed. Through simulation and analyzing, it is verified that the GPS/Beidou combined system has better performance than that of single GPS system. On one hand, the GPS/Beidou combined system can receive more satellites' signal than single GPS system. On the other hand, GDOP of the GPS/Beidou combined system is smaller than that of single GPS system. At the same time, the use of high-precision atomic clock in the satellite receiver can realize positioning of three satellites, and reduce the technology requirements of receiver.
- GPS (Global Positioning System) /
- Beidou system /
- Visibility /
- GDOP /
- Satellite receiver

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参考文献(8)

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