EGM2008地球重力场模型在不同地形条件下的应用方法浅析

The Analysis of EGM2008's Applied Methods Under the Condition of Different Terrain Conditions

简要介绍了EGM2008地球重力场模型,利用分布于我国东部平原地区,中部丘陵地带和西部高原山区的4个测量项目的数据,对EGM2008地球重力场模型的精度进行了分析,并对该模型在不同地形条件下的应用方法进行了探索。

This paper introduces the EGM2008 Earth gravity model.By using four groups＇ survey data distribution in the eastern plains,hilly areas in central and western mountain plateau of China,it analyzes the accuracy of the EGM2008 Earth gravity model,and discusses the method of the application of this model under different terrain conditions.