A new method in this paper is offered to solve the question, which is based on astronomical leveling and USES GPS to measure height anomaly difference between both sides of obstacle.
为解决这一问题，本文提出了一种基于天文水准原理的GPS方法，通过测定障碍物两侧的高程异常差来实现高程传递。
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。
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 study and experimentation based on the above thought show that GPS astronomical leveling is an effective and high precision method for height transfer across obstacle with long distance.
根据以上设想进行的研究试验表明，“天文GPS水准”克服了单纯GPS水准无法连接不同高程系统的困难，对于远距离跨障碍高程传递是一种有效的高精度方法。
The results show that GPS astronomical leveling is an effective method for height transfer across obstacle at a long distance with high precision.
研究结果表明：天文GPS水准方法是一种远距离、高精度跨障碍高程传递方法。
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。
By this method, leveling and GPS-RTK survey can be carried out at the same time, which can increase work efficiency and reduce job time.
采用本文的方法，可使RTK平面和高程放样与水准测量工作同时进行，有利于提高作业效率，缩短工期。
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。
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。
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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