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1)  spherical gravitational field
球形重力场
1.
Using the rendezvous and docking of spacecrafts as background,the line-of-sight(LOS) dynamic equation in spherical gravitational field was built.
以交会对接问题为背景,建立了球形重力场下的视线动力学方程,其简化形式可以描述平面重力场下的相对运动。
2)  earth gravity field
地球重力场
1.
Theory and Methodology of Earth Gravity Field Determination Using Satellite-to-Satellite Tracking;
利用卫星跟踪卫星确定地球重力场的理论和方法
2.
This paper introduces height determination with GPS leveling data by the polynomial approach and muti-surface function method, and discusses a geometric method considering earth gravity field.
本文详细阐述了利用多项式和多面函数进行GPS水准高程拟合的方法,考虑了重力测量法和几何测量法确定GPS高程的优缺点,研究了利用已知地球重力场模型采用"移去恢复"进行高程拟合的方法,并根据实测数据进行了编程计算。
3.
One of the fundamental scientific objectives of modern geodesy is to determine the high precision and high resolution earth gravity field.
确定高精度和高分辨率地球重力场模型是现代大地测量的基本目标之一,卫星重力计划就是基于这一目标实施的。
3)  lunar gravity field
月球重力场
1.
In this paper,assuming that the satellite pairs of SST are in near circle polar orbits,the spectrum relationship between the lunar gravity field and intersatellite ranging system is established by using analytic method.
文章引入已有的解析方法在理论上分析卫星间精密测距与月球重力场信号的频率响应关系,并通过模拟计算,以分析月球卫星跟踪卫星方法应用于月球重力场探测的可行性和恢复