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Title: 高分辨率厘米级局部大地水准面的典型应用
Other Titles: Typical applications of the local geoid model with high resolution and centimeter accuracy
Authors: Luo, Z
Ning, J
Yang, Z
Chen, YQ 
Keywords: Geoid
Systematic bias
Issue Date: 2003
Publisher: 武汉大学期刋社
Source: 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University), May 2003, no. S1, p. 100-103 How to cite?
Journal: 武汉大学学报. 信息科学版 (Geomatics and information science of Wuhan University) 
Abstract: 介绍了香港大地水准面HKGEOID2 0 0 0和深圳市高分辨率、高精度似大地水准面SZGEOID2 0 0 0。利用HKGEOID2 0 0 0和GPS椭球高求得的正常高与香港地区由三角高程测量得到的“正常高 (或本地高 )”进行比较 ,结果表明 ,其差值的均方根为 0 .1 0 2m ,标准差 (STD)为± 3 .4cm。结合HKGEOID2 0 0 0、SZGEOID2 0 0 0和这两个大地水准面模型重复覆盖地区的高精度GPS水准数据 ,探测这两个大地水准面模型之间的差异和香港主要高程基准面 (HKPD)与我国 1 95 6黄海高程基准面之间的系统偏差。
An improved geoid model for Hong Kong,HKGEOID2000 with 1km resolution,was developed with removerestore approach and 1DFFT technique.This geoid model,along with GPS ellipsoidal heights,is employed to determine the errors of the "orthometric heights" from purely trigonometric heighting in Hong Kong,yielding an RMS error of 0.102m and the standard deviation ±3.4cm.
ISSN: 1000-050X
EISSN: 1671-8860
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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