%0 Journal Article
%T APPLICATION OF GPS LEVELING FITTING BASED ON EGM2008 IN COMPLEX TERRAIN<br>基于EGM2008的GPS水准拟合在复杂地形中的应用研究
%A Guan Zhen
%A Chen Jianjie
%A Yu Bohu
%A Ru Yi
%A <br>管真
%A 陈剑杰
%A 尉伯虎
%A 茹毅
%J 大地测量与地球动力学
%D 2012
%I 
%X To improve the GPS leveling fitting accuracy of complex terrain,the authors analyzed the accuracy and application state of EGM2008.Through taking two test areas in Northwest China as examples,the accuracies of height fitting were studied with the method of removing-restoring Earth gravity field combined with conventional GPS leveling fitting and comparison with the result only with conventional method.The results show that the removing-restoring method based on Earth gravity field can achieve better accuracy in complex terrain areas.
%K EGM2008
%K height anomaly
%K surface fitting
%K multidimensional function
%K removing-restoring<br>EGM2008
%K 高程异常
%K 曲面拟合
%K 多面函数法
%K 移去恢复
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=DA72A78627FE64EAA572951EA05D274A&jid=73A1A428591E600EF664B596512A2997&aid=21CB0722CA48644FCF5972430B248EE7&yid=99E9153A83D4CB11&vid=9971A5E270697F23&iid=E158A972A605785F&sid=2B5DE8A23DCEED39&eid=2F56B21F91C9B05B&journal_id=1671-5942&journal_name=大地测量与地球动力学&referenced_num=0&reference_num=0