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 opposite side of the moving surface is provided with a single absolute type optical rule and two groups of read heads.
以及在该运动台面的相对侧设有单支的绝对式光学尺及两组读头。
This paper mainly consists of the theoretical methods of complex surface modeling, the research of improved moving surface fitting and analysis of example.
本文主要由复杂曲面造型方法、改进的移动曲面拟合法研究和实例应用三部分组成。
This paper mainly consists of the theoretical methods of complex surface modeling, the research of improved moving surface fitting and analysis of example.
本文主要由复杂曲面造型方法、改进的移动曲面拟合法研究和实例应用三部分组成。
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