LEO卫星轨道预报精度分析

doi:10.11947/j.AGCS.2016.20160045

测绘学报 ›› 2016, Vol. 45 ›› Issue (9): 1035-1041.doi: 10.11947/j.AGCS.2016.20160045

LEO卫星轨道预报精度分析

王亚菲^1,2,3, 钟世明^1,2, 王海涛^1,2, 欧吉坤^1,2

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

收稿日期:2016-01-28 修回日期:2016-06-17 出版日期:2016-09-20 发布日期:2016-09-29
通讯作者: 钟世明 E-mail:smzhong@whigg.ac.cn
作者简介:王亚菲(1989-),女,硕士,研究方向为GNSS高精度数据处理.E-mail:wangyafei14@mails.ucas.ac.cn
基金资助:
国家自然科学基金（41474029；41574015）；大地测量与地球动力学国家重点实验室自主项目（SKLGED2013-4-2-Z）

Precision Analysis of LEO Satellite Orbit Prediction

WANG Yafei^1,2,3, ZHONG Shiming^1,2, WANG Haitao^1,2, OU Jikun^1,2

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

Received:2016-01-28 Revised:2016-06-17 Online:2016-09-20 Published:2016-09-29
Supported by:
The National Natural Science Foundation of China(Nos.41474029;41574015);State Key Laboratory of Geodesy and Earth's Dynamic Project(No.SKLGED2013-4-2-Z)

摘要/Abstract

摘要： 利用动力学拟合法，以HY-2A卫星为例分析不同拟合区间对预报不同弧长的轨道精度的影响。基于CNES提供的事后精密星历和采用非差简化动力学方法获得的厘米级快速轨道两种产品，进行卫星轨道预报。结果表明：采用24h和12h拟合区间分别预报12h轨道时，其3DRMS优于6dm；当预报24h轨道时，3DRMS优于1m。

关键词: 动力学拟合, Collocation积分, 拟合区间, 预报, 快速定轨

Abstract: The accuracy of different fitting intervals on the predicted orbit of different arc lengths was analyzed by using the dynamic fitting method and taken HY-2A satellite as an example. According to two orbit products, one was the precise orbit obtained by CNES and the other was rapid orbit computed by adopting zero-different reduced dynamic method, obtaining the precise predicted orbit. By the results, we can get that the 3DRMS is near 6dm by using 12h or 24h fitting orbit to forecast 12h arc; the 3DRMS is near 1m when forecasting 24h arc.

Key words: dynamic fitting, Collocation algorithm, fitting interval, prediction, rapid orbit determination

中图分类号:

P228

王亚菲, 钟世明, 王海涛, 欧吉坤. LEO卫星轨道预报精度分析[J]. 测绘学报, 2016, 45(9): 1035-1041.

WANG Yafei, ZHONG Shiming, WANG Haitao, OU Jikun. Precision Analysis of LEO Satellite Orbit Prediction[J]. Acta Geodaetica et Cartographica Sinica, 2016, 45(9): 1035-1041.

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LEO卫星轨道预报精度分析

Precision Analysis of LEO Satellite Orbit Prediction

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