张赤军. 高精度推求正高的两种方法[J]. 武汉大学学报 ( 信息科学版), 2003, 28(4): 432-434,443.
引用本文: 张赤军. 高精度推求正高的两种方法[J]. 武汉大学学报 ( 信息科学版), 2003, 28(4): 432-434,443.
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ZHANG Chijun. Two Methods for Determining the Orthometric Height with High Accuracy[J]. Geomatics and Information Science of Wuhan University, 2003, 28(4): 432-434,443.
Citation: ZHANG Chijun. Two Methods for Determining the Orthometric Height with High Accuracy[J]. Geomatics and Information Science of Wuhan University, 2003, 28(4): 432-434,443.
shu

高精度推求正高的两种方法

Two Methods for Determining the Orthometric Height with High Accuracy

    摘要
  • 摘要: 论述了高精度推求正高的两种方法,并对正高精度的推估及其在模型上的试算也作了讨论,对于海拔为5000m的高山,正高的误差一般不超过±10cm,这与距青岛水准原点达数千公里的西部高山(原)处正常高的精度也比较接近。

     

    Abstract: Two methods are presented in this paper,concerning that the gravity anomaly gradient and the gravity of the Earth's internal and its surface can be deduced and processed.The estimation of the orthometric height accuracy and its test and evaluation with models are discussed.

     

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