Analysis and Simulation of the GDOP of Satellite Navigation

CONG Li; Ahmed I Abidat; TAN Zhan-zhong

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Analysis and Simulation of the GDOP of Satellite Navigation

更新时间：2025-07-16

- Analysis and Simulation of the GDOP of Satellite Navigation
- Acta Electronica Sinica Vol. 34, Issue 12, Pages: 2204-2208(2006)
- 作者机构：
  
  北京航空航天大学电子信息工程学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN967.1
- Published：2006
- 稿件说明：
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CONG Li, Ahmed I Abidat, TAN Zhan-zhong. Analysis and Simulation of the GDOP of Satellite Navigation[J]. Acta Electronica Sinica, 2006, 34(12): 2204-2208.
DOI：

CONG Li, Ahmed I Abidat, TAN Zhan-zhong. Analysis and Simulation of the GDOP of Satellite Navigation[J]. Acta Electronica Sinica, 2006, 34(12): 2204-2208. DOI：

摘要

根据卫星导航几何因子GDOP在具体课题中的应用

从五个主要方面对其进行了研究

可知不同星座配置参数对不同纬度地区GDOP会产生影响;坐标转换时GDOP、PDOP和TDOP不变

HDOP、VDOP变化;GDOP随卫星数目增加单调递减

但递减幅度变小;卫星对GDOP贡献越大

其故障产生的定位误差越大;使用加权GDOP可有效的减小定位误差.

Abstract

Based on the application of Geometry Dilution of Precision (GDOP)

5 main aspects of GDOP are studied.It is concluded that different constellation parameters influence GDOP of different latitude.GDOP

PDOP and TDOP are not changed but HDOP and VDOP are changed by coordinate conversion.GDOP decreases along with the number of satellites

but the decreasing extent reduces too.The more a satellite contributes to GDOP

the more the positioning error it produces when it has fault.Using weighted GDOP reduces the positioning error effectively.

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