基于站间单差相位绕转数据估计测站天线旋转速率的方法研究

蒋振伟; 袁运斌; 欧吉坤; 王海涛

doi:10.13203/j.whugis20130729

基于站间单差相位绕转数据估计测站天线旋转速率的方法研究

1.
中国科学院测量与地球物理研究所大地测量与地球动力学国家重点实验室, 湖北武汉, 430077;
2.
中国科学院大学, 北京, 100049

基金项目: 国家自然科学基金资助项目(41231064,41004005,41074013,41174015);国家973计划资助项目(2012CB825604);国家863计划资助项目(2012AA121803);大地测量与地球动力学国家重点实验室开放基金资助项目(SKLGED2013-4-6-E)。

详细信息

作者简介:
蒋振伟,博士生,主要从事GNSS仿真及北斗精密定位的理论与方法研究。E-mail:jiangzhenwei@asch.whigg.ac.cn

中图分类号: P228.4
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出版历程
- 收稿日期: 2013-12-02
- 发布日期: 2015-10-04

Precise Antenna Spin Rate Estimation Based on Between-Receiver Single-Difference Wind-up Observations

1.
State Key Laboratory of Geodesy and Earth's Dynamics, Institute of Geodesy and Geophysics of CAS, Wuhan 430077, China;
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Funds: The National Natural Science Foundation of China, Nos. 41231064, 41004005, 41074013, 41174015; the National 973 Program of China, No. 2012CB825604; the National 863 Program of China, No. 2012AA121803; the Open Research Fund Program of Key Laboratory of Geodesy and Earth's Dynamics, No. SKLGED2013-4-6-E.

摘要

摘要: 相位绕转在GNSS定位中是一种误差源,但包含接收机天线旋转的有用信息。提出了一种基于站间单差相位绕转观测数据估计测站天线旋转速率的方法。首先由无几何距离观测值的变化判断天线旋转的开始与结束时间,然后利用单颗卫星站间差分的无几何距离观测值求出测站的天线旋转角度,以及单颗卫星的测站天线旋转速率,最后将所有卫星计算的测站天线旋转速率按照高度角加权平均得到最终的天线旋转速率。通过精心设计实验方案,经实测数据验证,该方法可以精确地估计测站天线的旋转速率,在本实验中,天线旋转平均速率估计精度约为0.5°/s。
- 相位绕转 /
- 站间单差 /
- 旋转速率 /
- 无几何距离观测值
Abstract: Wind-up is one error source in GNSS positioning, but contains useful information about antenna spin rates. A novel method is proposed to estimate antenna spin rate based on single-difference-between-station wind-up effect. First, the starting and ending time of the antenna rotation is determined according to variation of geometry-free observations. Then, the antenna rotation angle can be estimated from geometry-free observations, the single-difference-between-station for single satellites, and the antenna spin rate can be obtained for a single satellite. The elevation-weighting method is used to get the final antenna spin rate. An experiment was designed, the results show that the antenna spin rate can be accurately estimated. Estimation of accuracy for the mean antenna rotation rate was about 0.5 degrees per second in the experiment.
- wind-up /
- single-difference between stations /
- rotating rate /
- geometry-free observation

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参考文献(7)

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基于站间单差相位绕转数据估计测站天线旋转速率的方法研究

作者简介: 蒋振伟,博士生,主要从事GNSS仿真及北斗精密定位的理论与方法研究。E-mail:jiangzhenwei@asch.whigg.ac.cn

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Precise Antenna Spin Rate Estimation Based on Between-Receiver Single-Difference Wind-up Observations

期刊类型引用(4)

其他类型引用(3)

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目录

作者简介:
蒋振伟,博士生,主要从事GNSS仿真及北斗精密定位的理论与方法研究。E-mail:jiangzhenwei@asch.whigg.ac.cn