不同经验太阳光压模型对于北斗卫星定轨的适用性分析  

Application Analysis of Different Empirical Solar Radiation Models for Orbit Determination of BDS Satellites

作　　者：彭汉兵 杨元喜[2] 王刚 

机构地区：[1]信息工程大学,河南郑州450001 [2]西安测绘研究所地理空间工程国家重点实验室,陕西西安710054 [3]北京卫星导航中心,北京100094

出　　处：《测绘科学技术学报》2017年第4期347-352,共6页Journal of Geomatics Science and Technology

基　　金：国家自然科学基金项目(41020144004A;41374019;41474015);国家863计划项目(2013AA122501)

摘　　要：当前的北斗卫星导航系统尚缺乏合适的太阳光压模型,由GPS的ECOM模型衍生而来的多种经验光压模型常被用于北斗定轨中。从观测值残差、轨道内、外符精度以及外推精度等方面比较分析了目前常用的4种经验光压模型对于北斗卫星定轨的适用性。结果表明,不同(类型)卫星适用不同的经验光压模型,但总体来看,9参数模型的适用性最差,而5参数和7参数模型的适用性相对较好。No proper Solar Radiation Pressure（ SRP） model for the Bei Dou Navigation Satellite System（ BDS） has been specifically proposed yet, thus different empirical SRP models derived from the Empirical CODE Orbit Model（ ECOM） which was developed for GPS by the Center for Orbit Determination in Europe（ CODE） have been adopted for the precise orbit determination of BDS. Applicability of the four empirical SRP models most widely used by various research institutions currently have been compared and analysed comprehensively in terms of residuals, internal and external orbit accuracy and prediction accuracy. Results show that, the four SRP models suit different types of satellites, but in general, the two models with 5 and 7 parameters respectively have better applicability while that with 9 parameters has the worst.

关 键 词：北斗卫星导航系统 定轨 经验太阳光压模型 天边界不连续性 卫星激光检核 

分 类 号：P228[天文地球—大地测量学与测量工程]