The distribution of the GPS leveling points obviously affects the accuracy of interpolated GPS height.
水准联测点的分布状况对GPS高程的拟合精度有明显影响。
The quasi-geoid computed by geopotential model is fitted with the quasi-geoid measured by GPS leveling.
将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面。
Whether GPS leveling will substitute common leveling or no is an important problem that people concerned.
能否利用GPS水准代替常规的水准测量是人们关注的问题之一。
This paper is mainly about how to improve moving surface method of GPS leveling by means of earth's gravity field model.
为此，提出利用地球重力场模型改进GPS水准中移动曲面法的方法。
The reason why GPS leveling cant be used for height transfer across obstacle is that the height datum of both sides of obstacle is not consistent.
GPS水准无法直接应用于跨障碍高程传递，其关键原因在于障碍物两侧的高程基准不一致。
Through using actual GPS leveling fitting data in a large-scale area, it introduces the application of optimum function model choice and the related analysis method.
文中通过一个大测区GPS水准实测数据，说明拟合模型优选准则的应用以及具体分析方法。
The unreasonably distributed GPS leveling points make some GPS points have too big extrapolated distance, which causes the extrapolated points have too low accuracy.
水准联测点分布不合理，使某些拟合点的外推距离太大，导致外推点的精度太差。
The key of GPS leveling across sea is that the height datum on each side of channel is not consistent, so the general geometrical fitting method can not be used directly.
GPS跨海水准的关键问题是海峡两侧的高程基准不一致，因此无法采用常规的数值拟合方法。
Theoretic study and experiment show that the new method solves the problem which simplex GPS leveling can't connect different height systems and so it is an effectively precise method.
理论研究和实验表明，新方法克服了单纯GPS水准无法连接不同高程系统的困难，是一种有效的高精度方法。
The paper introduces the theory, methods and ways to be realized upon how to strengthen and improve the leveling network 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。
To improve the GPS leveling fitting accuracy of hilly terrain and to build the adaptive fitting model of the coverage, this article USES the multidimensional function method to fit the height anomaly.
为提高丘陵地区GPS水准拟合精度，建立适合当地测区的拟合模型，采用多面函数法对高程异常进行拟合。
The software based on the above studies has some functions that it can guide the layout and detect gross errors of GPS-leveling points.
在此基础上编制的GPS水准拟合软件，具有可以指导GPS水准点的布设、检验GPS水准点中的粗差等功能。
Some popular methods for GPS-leveling fitting are compared. The advantages of an improved method with height anomaly model are pointed out specially.
针对目前GPS水准拟合中几种主要方法及其存在的问题进行了讨论，特别指出了顾及高程异常模型的改进方法的优点。
Some popular methods for GPS-leveling fitting are compared. The advantages of an improved method with height anomaly model are pointed out specially.
针对目前GPS水准拟合中几种主要方法及其存在的问题进行了讨论，特别指出了顾及高程异常模型的改进方法的优点。
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