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| GPS????????????о? | |
| 引用本文： | 刘伟平,郝金明,钱龙,周建.GPS????????????о?[J].大地测量与地球动力学,2012,32(1):94-96. |
| 作者姓名： | 刘伟平 郝金明 钱龙 周建 |
| 作者单位： | 1. 解放军信息工程大学测绘学院,郑州,450052 2. 65015部队,大连,116023 3. 中国卫星海上测控部,江阴,214431 |
| 摘 要： | ?????????????????????????????GPS?????????????????????????????????????????????????????????????????????????????Ч?????????7?????????????????20 m?? |
| 关 键 词： | ?????? ?????? ?????? ??????? ???? |
COMPARISON AND STUDY ON REAL-TIME PREDICTION OF GPS ORBIT |
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| Liu Weiping , Hao Jinming , Qian Long , Zhou Jian.COMPARISON AND STUDY ON REAL-TIME PREDICTION OF GPS ORBIT[J].Journal of Geodesy and Geodynamics,2012,32(1):94-96. | |
| Authors: | Liu Weiping Hao Jinming Qian Long Zhou Jian |
| Institution: | 2)( 1)Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052 2)Troops 65015,Dalian 116023 3)China Satellite Maritime Tracking and Control Department,Jiangyin 214431) |
| Abstract: | On the basis of different characteristics of current ephemerides,two methods for satellite orbit prediction are introduced.Considering the request of real-time,the precision of orbit prediction is analyzed with different ephemerides.The results indicate that the precision of orbit prediction is the best with Ultra-Rapid ephemeris and the precision is better than 20 m for seven days’ real-time orbit prediction. |
| Keywords: | orbit prediction orbit fitting variational equations numerical integration ephemeris |
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