不同经验太阳光压模型对于北斗卫星定轨的适用性分析
发布时间：2018-09-05 16:32
【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。
[Abstract]:The current Beidou satellite navigation system lacks a suitable solar photovoltaic model, and many empirical photo-pressure models derived from GPS's ECOM model are often used in Beidou orbit determination. The applicability of four kinds of empirical photopressure models to the determination of Beidou satellite orbit is compared and analyzed from the aspects of residual value, orbit precision, extrapolation accuracy and so on. The results show that different types of satellites are suitable for different empirical photo-pressure models, but the applicability of the Y9 parameter model is the worst, while the applicability of the 5-parameter model and the 7-parameter model is relatively good.
【作者单位】： 信息工程大学;西安测绘研究所地理空间工程国家重点实验室;北京卫星导航中心;
【基金】：国家自然科学基金项目(41020144004A;41374019;41474015) 国家863计划项目(2013AA122501)
【分类号】：P228
[Abstract]:The current Beidou satellite navigation system lacks a suitable solar photovoltaic model, and many empirical photo-pressure models derived from GPS's ECOM model are often used in Beidou orbit determination. The applicability of four kinds of empirical photopressure models to the determination of Beidou satellite orbit is compared and analyzed from the aspects of residual value, orbit precision, extrapolation accuracy and so on. The results show that different types of satellites are suitable for different empirical photo-pressure models, but the applicability of the Y9 parameter model is the worst, while the applicability of the 5-parameter model and the 7-parameter model is relatively good.
【作者单位】： 信息工程大学;西安测绘研究所地理空间工程国家重点实验室;北京卫星导航中心;
【基金】：国家自然科学基金项目(41020144004A;41374019;41474015) 国家863计划项目(2013AA122501)
【分类号】：P228
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