应用卫星定位技术确定韶关市区似大地水准面

Determination of Shaoguan City Quasi-geoid by Using Satellite Positioning Data

详细介绍了结合一定密度的地面重力观测数据、EGM2008地球重力场模型、SRTM数字地面模型、卫星定位数据及水准数据确定韶关市区似大地水准面模型的具体过程及方法,并通过内符合和外符合检验对模型的精度进行了评定,结果显示该模型的精度达到厘米级精度水平。

The method of determination of Shaoguan Quasi-geoid model is introduced in detail in this paper by using gravity data, earth gravitational model （EGM） 2008 model, shuttle radar topography mission （SRTM） data and global positioning system （GPS） /Leveling data. The precision test of quasi-geoid is taken also from the internal precision and the external precision, finally the test results show that the accuracy of Shaoguan quasi-geoid model precision is in cm-level.