摘要
简要介绍EGM2008模型情况,利用已有GPS数据和水准数据资料,利用天宝的TrimbleTotal Control 2.73软件加载全球2.5′×2.5′网格大地水准面模型EGM2008,通过实例对GPS高程计算的三种方案进行比较分析,得出了一些有益的结论。
The EGM2008 model is briefly introduced. The Trimble Total Control 2.73 Tempo software is used to load global 2.5 × 2.5 grid data of EGM2008 and applied to conduct GPS leveling for existing GPS and leveling data. Based on comparison of results of three different GPS leveling methods, some useful conclusions are obtained.
出处
《工程勘察》
CSCD
北大核心
2010年第10期75-78,共4页
Geotechnical Investigation & Surveying
关键词
EGM2008
山区
高程计算
正常高
大地高
EGM2008
mountain region
elevation calculation
normal height
geodetic height
