正常重力场

本文通过对地球正常重力场理论公式的分析，认为可以采用GPS测量的大地高进行重力高度改正。

Based on analysing theoretical formula of normal gravity field of the earth , the author holds that the geodetic elevation of GPS survey might ha adopted for cavity altitude correction .

伽利略卫星的等势面和正常重力场

Equi potential Surface and Normal Gravity of the Galilean Satellites

计算表明，潮汐对伽利略卫星的正常重力场影响不大。

Calculations suggests that tides raised by Jupiter weakly affect the Galilean satellites .

物理大地测量与地球物理正常重力场的同源性研究

A research on source identity of the normal gravity in physical geodesy and Geophysics

利用这一方法，讨论了伽利略卫星正常重力场及其在等势面上的分布，以及木星的潮汐对伽利略卫星的正常重力场的影响。

Tidal effects on the normal gravity are also discussed . The authors apply these to the Galilean satellites .

给定参考椭球体的四个基本参数，椭球体产生的外部正常重力位场可利用传统方法确定。

Given four basic parameters of a reference ellipsoid , the normal potential field generated by the ellipsoid could be determined by using conventional method .