Generally, under the case of enough amounts and evenly distributed of coincident points, the accuracy of GPS height fitting can meet the requirement of the fourth order levelingnetwork.
一般在重合点数量充足且分布均匀的情况下，GPS高程拟合的精度可达到四等水准网的精度要求。
2
The paper introduces the theory, methods and ways to be realized upon how to strengthen and improve the levelingnetwork of astronomy and gravity with the application of GPS leveling point.
介绍如何利用GPS水准点加强和改善天文重力水准网的原理、方法及实现的途径。
3
The function of astronomical leveling in height survey of position traverse control network is introduced.