基于EGM2008重力场模型的高程联测方法

摘要

This paper introduces a fast and accurate method to transfer the elevation of the factory control point. The method is based on gravity field model of EGM2008 and GPS quasi-geoid. With comparison of several fitting methods of height anomaly residual errors in Shandong area, the result demonstrates that the precision of inverse distance weighted method is 6. 3 centimeters, which is much higher than that of the others.%为提高高程联测的工作效率和精度,提出基于EGM2008重力场模型,GPS技术结合似大地水准面的高程联测方法,并在山东地区比较了不同方法拟合高程异常残差的精度.研究结果表明:加权反距离法的拟合标准差为6.3 cm,优于其他方法,高程联测的精度可信.