This paper is mainly about how to improve moving surface method of GPS leveling by means of earth's gravity field model.
为此，提出利用地球重力场模型改进GPS水准中移动曲面法的方法。
According to spherical harmonic coefficients of 360 orders of EGM96 Earth's gravity field model, density anomaly and tectonic stress in different depth of crust have been calculated.
利用360阶的EGM96地球重力场球谐系数计算了不同深度球层的密度异常及不同深度球层的构造应力。
The principle of multiscale edge detection by wavelets is presented firstly, and the multiscale edges of the earth's gravity field are analyzed with the EGM96 model as an example.
简要介绍了小波多尺度边缘检测的基本原理，以EGM96重力场模型为例分析了地球重力场的多尺度边缘。
应用推荐