摘要
本文通过工作实例，阐述了GPS＋水准高程拟合法在大地水准面精化中的应用，同时对大地水准面精化中应注意的问题进行了剖析。
Combined with actual case, this paper expatiated the application of the GPS ＋ bench elevation fitness method to enhance the geoidal accuracy, and also discussed the problems need attention.
出处
《大坝与安全》
2006年第C00期32-34,共3页
Dam & Safety
关键词
大地水准面精化
似大地水准面
高程异常
正常高
enhance the geoidal accuracy
quasi-geoid
elevation difference
normal elevation
