激光与光电子学进展, 2015, 52 (7): 071203, 网络出版: 2015-06-26   

空间目标的激光和光学两种观测技术联合定位 下载: 551次

Combined Tracking and Orbit Determination for Space Objects Using Laser and Optics Measurements
作者单位
1 中国科学院国家天文台, 北京 100012
2 中国科学院国家天文台长春人造卫星观测站, 吉林 长春 130117
3 中国科学院大学, 北京 100049
摘要
利用卫星激光测距(SLR)技术对空间非合作目标进行跟踪观测现在处于发展阶段,存在预报不够准确以及单站少量观测数据不能定轨等困难。因此提出联合非合作目标的单站SLR 数据和光学观测数据进行综合定轨,从而得到非合作目标的精密轨道。利用Ajisai 卫星和Jason-1 卫星的单站激光测距数据和光学观测数据的试验结果证明,综合定轨精度比光学定轨精度有一个量级的提高。进而可以得到高精度轨道预报,这有利于非合作目标的激光测距进入一个良性的常规运行状态。
Abstract
The non-cooperative object using satellite laser ranging (SLR) is in developing period and the orbit predictions are not precise enough. The effective data are not enough to determine a precise orbit. Therefore, it is proposed that precise orbit determination of non-cooperative objects can be achieved by combining the SLR range data with optical observation data. The results of the experiment using single station SLR data of Ajisai and Jason-1 satellite prove that the precision of combined orbit determination increases one order of magnitude than the optical orbit determination, and then the orbit prediction with high precision for non-cooperative objects can be achieved. The result has significant value for promoting the laser range of non-cooperative objects to reach a well conventional operation state.
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孙明国, 高鹏骐, 沈鸣, 李振伟, 杨大陶, 郭效忠, 于欢欢, 周威萍, 赵有. 空间目标的激光和光学两种观测技术联合定位[J]. 激光与光电子学进展, 2015, 52(7): 071203. Sun Mingguo, Gao Pengqi, Shen Ming, Li Zhenwei, Yang Datao, Guo Xiaozhong, Yu Huanhuan, Zhou Weiping, Zhao You. Combined Tracking and Orbit Determination for Space Objects Using Laser and Optics Measurements[J]. Laser & Optoelectronics Progress, 2015, 52(7): 071203.

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