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Comparative and Analysis Elevation Precision of the Static Measurement of GPS and Fourth Leveling Surveying
Author(s): 
Pages: 72-74
Year: Issue:  3
Journal: Gnss World of China

Keyword:  GPS measurementfourth leveling measurementdata analysis;
Abstract: GPS定位技术发展日趋成熟,已被广泛应用于各项工程建设中,GPS平面精度很高但高程精度还不能满足某些工程的要求,精度较高的工程大多由水准测设高程。针对某具体项目测设的GPS拟合高程与水准测量的高程,通过比对两者观测数据,分析两者的精度,得出小范围平坦地区可用GPS拟合高程代替水准高程。
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