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Title: 深圳市1km高分辨率厘米级高精度大地水准面的确定
Other Titles: Determination of Shenzhen geoid with 1 km resolution and centimeter accuracy
Authors: Ning, JS
Luo, ZC
Yang, ZJ
Chen, YQ 
Zhang, TJ
Keywords: Geoid
Earth’s gravity field model
Digital terrain model
Issue Date: 2003
Publisher: 科学出版社
Source: 測繪学报 (Acta geodetica et cartographica sinica), May 2003, v. 32, no. 2, p. 102-107 How to cite?
Journal: 測繪学报 (Acta geodetica et cartographica sinica) 
Abstract: 利用65个精度优于2cm的GPS水 准数据、5213个实测重力点数据、100m分辨率的数字地形模型和WDM94地球重力场模型,采用移去 恢复技术计算了深圳市1km分辨率的大地水准面模型。将该模型大地水准面高与由29个GPS水准得到的大地水准面高进行比较,其差值的标准差 为±1.4cm。 
The geoid of Shenzhen with one kilometer resolution, has been constructed with remove restore technique, using 65 GPS/leveling data with accuracy better than 2 cm, 5 213 discrete gravity data, digital terrain model with 100 m resolutions and global earth’s gravity field model WDM94. The modeled geoid heights were compared with the observed ones derived from 29 GPS/leveling data that not applied to the construction of Shenzhen geoid. The test results show that the standard deviation of the differences is ±1.4 cm.
ISSN: 1001-1595
Rights: © 2003 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2003 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research use.
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