通信卫星干扰源定位系统的轨道改进研究  

Research on the Orbit Determination of Communication Satellite for Interference Source Localization System

作　　者：宋叶志[1] 黄勇[1] 胡小工[1] 潘玉平[2] 罗恒光[2] 陈艳玲[1] 唐成盼[1] 

机构地区：[1]中国科学院上海天文台,上海200030 [2]中国电子科技集团第五十四研究所,石家庄050081

出　　处：《宇航学报》2015年第3期330-335,共6页Journal of Astronautics

基　　金：国家自然科学基金(11073047);上海市科学技术委员会(12DZ2273300);中科院行星科学重点实验室(Y386021009)

摘　　要：针对干扰源定位系统中通信卫星轨道误差较大问题,文章采用卫星精密定轨策略,对干扰辐射源定位系统中通信卫星的轨道改进问题进行了研究。详细研究时差与频差的测量原理,并对地球同步轨道通信卫星轨道给出了较为符合该类卫星轨道类型的力学建模。采用高精度数值积分器及参数估计方法进行轨道确定和系统差标定。通过仿真和实测资料处理分析,定轨精度可以达到十米至百米量级。其理论性得到验证,同时能够满足我国相关行业的工程需求。In order to improve orbit determination accuracy of communications satellites in the interference source localization system,a accurate orbit determination technique for a communication satellite has been studied. The principles of DTOA and DFOA measurement techniques have been studied in details,and also the orbit mechanics model of the GEO satellite in the interference source localization system is developed in this paper. High-accuracy numerical integrator and parameter estimation method have been employed in the orbit determination. Through simulation and measured data processing and analysis,the RMS of orbit reaches hundreds of meter,which is better than the current published results in related fields. The work confirms that the orbit determination method in the article is validating,and also could be an approach to the related program.

关 键 词：干扰源定位 轨道确定 通信卫星 星历校正 

分 类 号：V448[航空宇航科学与技术—飞行器设计]