基于机动力模型的GEO卫星恢复期间定轨

李晓杰; 黄勇; 郭睿; 朱凌凤; 苏冉冉; 吴杉

doi:10.11728/cjss2015.06.730

基于机动力模型的GEO卫星恢复期间定轨

doi: 10.11728/cjss2015.06.730 cstr: 32142.14.cjss2015.06.730

李晓杰^1, ,,
黄勇²,
郭睿¹,
朱凌凤¹,
苏冉冉¹,
吴杉¹

1.
北京卫星导航中心北京 100094
2.
中国科学院上海天文台上海 200030

基金项目: 国家高技术研究发展计划项目(2013AA122402), 国家自然科学基金项目(41204022), 上海市空间导航与定位技术重点实验室基金项目(12DZ2273300)和国家测绘地理信息局测绘基础研究基金项目(13-01-06)共同资助

详细信息

通讯作者:

李晓杰,E-mail:lxjant1984@126.com

中图分类号: V412
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出版历程
- 收稿日期: 2014-12-29
- 修回日期: 2015-07-02
- 刊出日期: 2015-11-15

Orbit Determination Method Based on Thrust Force Model for GEO Satellite in the Period of Orbit Recovery

1.
China Beijing Satellite Navigation Center, Beijing 100094
2.
Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030

摘要

摘要: 北斗卫星导航系统(BDS)中GEO卫星频繁的轨道机动对高精度、实时不间断的导航服务需求提出了更高要求, 如何在短弧跟踪条件下提高GEO卫星轨道快速恢复能力, 是提升导航系统服务精度的关键因素. 针对该问题, 本文提出了基于机动力模型的动力学定轨方法, 尝试利用高精度的C波段转发式测距数据, 辅以机动期间的遥测遥控信息建立机动力模型, 联合轨控前后的观测数据进行动力学长弧定轨. 利用BDS中GEO卫星实测数据进行了定轨试验与分析, 结果表明, 恢复期间需要采用解算机动推力的定轨方法, 联合机动前、机动期间和机动后4h数据定轨的轨道位置精度在20m量级, 径向精度优于2.5m. 该方法克服了短弧跟踪条件下动力学法定轨和单点定位中的诸多问题, 提供了解决 GEO卫星机动后轨道快速恢复问题的技术方法.
- 北斗卫星导航系统 /
- GEO卫星 /
- 轨道机动 /
- 轨道快速恢复 /
- 机动力 /
- 遥测遥控数据
Abstract: Real time, continuous and high precision navigation service is needed due to the frequent geostationary satellite (GEO) orbit maneuver. How to recover orbit rapidly for geostationary satellite based on short-arc tracking is the key factor. A new orbit determination method uniting the data before, during and after satellite maneuver is studied, and C-band transfer ranging data as well as the telemetry and telecontrol parameters during satellite maneuver are all used. The results based on observation data for geostationary satellite in Beidou System (BDS) indicate that the integrated solution strategy of orbit parameters and thrust force parameters needs to be adopted in the period of orbit recovery. The accuracy of 3-dimensional positions is about 20m, and the orbital precision in radial component is better than 2.5m using the data 4 hours after orbit maneuver. The method provides a solution to resolve several problems of dynamic orbit determination and point positioning in short-arc tracking.
- Beidou System (BDS) /
- Geostationary orbit satellites /
- Orbit maneuver /
- Orbit rapid recovery /
- Thrust force /
- Telemetry and telecontrol data

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