北斗接收机初始相位偏差特性分析

潘林; 蔡昌盛; 李施佳

doi:10.13203/j.whugis20140112

北斗接收机初始相位偏差特性分析

1.
中南大学地球科学与信息物理学院, 湖南长沙, 410083;
2.
武汉大学测绘学院, 湖北武汉, 430079

基金项目: 湖南省教育厅科研基金(13K007) ;中南大学教师研究基金(2013JSJJ004);中南大学中央高校基本科研业务费专项资金(2014zzts246,2014zzts252)。

详细信息

作者简介:
潘林,博士生,主要从事GNSS导航与精密单点定位研究。panlin@whu.edu.cn

通讯作者:
蔡昌盛,博士,副教授。cscai@hotmail.com

中图分类号: P228.41
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出版历程
- 收稿日期: 2014-09-28
- 发布日期: 2016-03-04

The Characteristics of BeiDou Receiver Initial Phase Bias

1.
School of Geosciences and Info-Physics, Central South University, Changsha 410083, China;
2.
School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China

Funds: The Scientific Research Fund of Hunan Provincial Education Department, No. 13K007; the Teacher Research Fund at Central South University, No. 2013JSJJ004; the Fundamental Research Funds for the Central Universities of Central South University, Nos. 2014zzts246, 2014zzts252.

摘要

摘要: 研究接收机初始相位偏差对于恢复模糊度的整数特性具有重要意义。本文推导了北斗接收机间单差的频率间接收机初始相位偏差计算公式,利用零基线数据对其特性进行分析,并得出以下结论:单差频率间相位偏差具有短期稳定性,并不随卫星高度角变化而变化;接收机刚开始跟踪卫星时,单差频率间相位偏差需要一定的收敛时间才能达到稳定值;单差频率间相位偏差并不具有长期稳定性,接收机重新跟踪卫星后,其值会发生变化;接收机间单差的频率间相位偏差针对不同卫星在相同频率组合上是一致的。
- 零基线 /
- 接收机初始相位偏差 /
- 整周模糊度 /
- 北斗
Abstract: Receiver initial phase biases are significant in integer ambiguity resolution. Based on a study of Beidou receiver Initial phase bias, we derived calculation formulas of single-difference-between-receivers (SDBR) inter-frequency receiver initial phase biases. The analysis results using zero-baseline data indicate that the SDBR inter-frequency receiver initial phase biases do not vary with the satellite elevation angles, which suggests that the biases have a short-time stability. When the receiver is just beginning to track satellites, a certain time is needed for the SDBR inter-frequency receiver initial phase biases to be stabilized. The SDBR inter-frequency receiver initial phase biases are changed after the receiver restarts to track satellites, indicating that the biases do not have a long-time stability. The SDBR inter-frequency receiver initial phase biases on the same combination of two frequencies are nearly identical for different satellites.
- zero-baseline /
- receiver initial phase bias /
- integer ambiguity /
- BeiDou

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参考文献(15)

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