摘要
通过GPS拟合高程误差产生原因的分析 ,提出了提高GPS测高精度的实用办法 ,即提高测量精度、改善大地水准面模型精度、确保高程起算点精度。
In accordance with analyzing the causes of GSP height fitting error, the author brings forward the practical methods to enhance altimetry precision: enhancing observation precision, improving precision of geoid model and ensuring precision of points of departure.
出处
《地矿测绘》
2002年第1期20-21,34,共3页
Surveying and Mapping of Geology and Mineral Resources
关键词
GPS
拟合高程
高程异常值
精度
大地水准面模型
起算点
水准联
GPS
Fitting height
Height anomaly
Precision
Geoid model
Point of departure
Linkage of leveling line
