考虑地球扁率J2项下的高椭率轨道卫星原时改正  

Satellite Proper Time＇s Relativistic Transformations with Considering Earth＇s Oblateness J2 Term

作　　者：廖石龙[1,2] 齐朝祥[1] 唐正宏[1] 

机构地区：[1]中国科学院上海天文台,上海200030 [2]中国科学院大学,北京100049

出　　处：《中国科学院上海天文台年刊》2015年第1期41-46,共6页Annals Shanghai Astronomical Observatory Chinese Academy of Sciences

摘　　要：推导了高椭率地球轨道卫星时钟的原时改正公式。在考虑地球扁率以项摄动的情况下，给出了卫星原时到地心坐标时（geocentric coordinatetime，TCG）的时间改正分析解。通过与数值解的对比，给出了该分析解的精度。结果显示，分析解的精度周期项振幅可以达到0．15ns／d，长期项约为0．06ns／d。In this paper, an analysis solution of proper time transformation of the satellite is introduced. The Earth＇s oblateness J2 term is included in the transformation equation. The analysis result is compared with the numerical result. And the comparison shows that the periodic difference between them is smaller than 0.15 ns/d, and the long term difference is 0.06 ns/d.

关 键 词：高椭率轨道卫星 原时改正 相对论效应 分析解 

分 类 号：P173[天文地球—天文学]