BD卫星星间链路定轨结果及分析

doi:10.11947/j.AGCS.2017.20160203

测绘学报 ›› 2017, Vol. 46 ›› Issue (5): 547-553.doi: 10.11947/j.AGCS.2017.20160203

BD卫星星间链路定轨结果及分析

宋小勇^1,2, 毛悦^1,2, 冯来平^1,2, 贾小林^1,2, 姬剑锋^1,2

1. 地理信息工程国家重点实验室, 陕西西安 710054;
2. 西安测绘研究所, 陕西西安 710054

收稿日期:2016-05-31 修回日期:2017-03-12 出版日期:2017-05-20 发布日期:2017-06-05
通讯作者: 毛悦 E-mail:maoyue1981@yahoo.com
作者简介:宋小勇(1968-),男,博士,高级工程师,研究方向为空间大地测量数据处理、卫星导航技术。E-mail:sxyong@21cn.com
基金资助:
国家自然科学基金（41204020）

The Preliminary Result and Analysis for BD Orbit Determination with Inter-satellite Link Data

SONG Xiaoyong^1,2, MAO Yue^1,2, FENG Laiping^1,2, JIA Xiaolin^1,2, JI Jianfeng^1,2

1. National Key Laboratory of Geo-information Engineering, Xi'an 710054, China;
2. Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China

Received:2016-05-31 Revised:2017-03-12 Online:2017-05-20 Published:2017-06-05
Supported by:
The National Natural Science Foundation of China (No.41204020)

摘要/Abstract

摘要： 我国新一代北斗导航系统试验卫星搭载了高精度星间链路载荷并已经得到了实测数据。本文给出了星间链路数据预处理方法，并介绍了星间链路数据独立定轨和星间Ka测量与L波段数据联合定轨的方法和初步结果。利用3颗试验卫星和1个地面Ka站在轨试验，结果表明：独立采用星间链路定轨，其结果R方向误差小于0.5 m；星间链路数据与L波段数据联合定轨，其对L波段定轨结果有显著改善，轨道R方向误差小于0.3 m；星间测量设备时延标校精度优于0.1 m。

关键词: 北斗导航卫星, 星间链路, 精密定轨, 自主定轨, 设备时延

Abstract: The experimental satellite of BD navigation system has assembled inter-satellite link (ISL) payloads and has obtained the real ISL observation data. The paper presents the preprocessing method of ISL and the POD method and result for Ka only observation and the combination Ka observation with L-band. It's showed that:the radial orbit error is less than 0.5 m with Ka only observation; the radial orbit error is less than 0.3 m with the observation by combining the Ka ISL with L-band data which has improved the orbit accuracy remarkably in contrast to L-band only data; the accuracy of calibrating device delay is better than 0.1 m。

Key words: BD navigation satellite, inter-satellite link, precision orbit determination, autonomous orbit determination, device delay

中图分类号:

P227

宋小勇, 毛悦, 冯来平, 贾小林, 姬剑锋. BD卫星星间链路定轨结果及分析[J]. 测绘学报, 2017, 46(5): 547-553.

SONG Xiaoyong, MAO Yue, FENG Laiping, JIA Xiaolin, JI Jianfeng. The Preliminary Result and Analysis for BD Orbit Determination with Inter-satellite Link Data[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(5): 547-553.

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BD卫星星间链路定轨结果及分析

The Preliminary Result and Analysis for BD Orbit Determination with Inter-satellite Link Data

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