大地水准面高

The geoid is high

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1
[测] geoidal height
... geoid地球体 geoidal height大地水准面高 geoisotherm等地温线 ...
2
geoidal undulation
... 大地水准面高geoidal height 大地水准面高geoidal undulation 大地天顶延迟atmosphere zenith delay ...
3
geoid height
... 大地水准面等高线 geoid contour 大地水准面高 geoid height 大地水准面起伏 geoid undulation ...

短语

1
讨论了表面垂直位移和重力变化对大地水准面高变化的影响。
The effects of surface vertical displacements and gravity changes upon the geoidal height variation have been also discussed.
2
介绍了GPS高程的应用理论，大地水准高的计算方法以及利用曲面拟合法计算大地水准面高，并对结果进行了分析，绘制出高程异常等值线图。
The paper introduces the application theory of GPS height and both the general method and the curved surface fitting method to measure geodetic height.
3
所采用的正常高残差拟合方法，既顾及了似大地水准面模型的几何特性，又顾及了其物理特性。
Residuals used in normal fitting method, not only takes into account the quasi-geoid model for the geometric properties, but also take into account its physical properties.

大地水准面高
大地水准面高是从大地水准面沿法线到地球椭球体面的距离。与静止海平面重合的重力等位面称为大地水准面。大地水准面是一个与地球内部密度分布有关的不规则曲面。

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