ITRF框动对GPS连续观测的影响研究  

DISCUSSION ABOUT INFLUENCE OF ITRF "FRAME DRIFT" ON GPS CONTINUOUS OBSERVATION

作　　者：杨国华[1] 汪翠枝[2] 杨博[1] 张风霜[1] 刘峡[1] 韩月萍[1] 

机构地区：[1]中国地震局第一监测中心,天津300180 [2]天津市地震局,天津300201

出　　处：《大地测量与地球动力学》2009年第4期5-9,共5页Journal of Geodesy and Geodynamics

基　　金："十一五"国家科技支撑课题(2006BAC03-01-01);地震科学联合基金(A07066)

摘　　要：利用天津GPS连续观测资料,对"框动"问题进行了探讨,通过比较削弱与不削弱"框动"影响所得到的结果发现:削弱后观测值的白噪声大约是削弱前的1/2～2/3;除白噪声以外,同时,也发现非随机噪声也是"框动"的重要组成部分。Taking GPS continuous observation of Tianjin station as example, the paper does a research and discussion on the influence of ＇ frame drift＇. Through comparison between the results of weakening and not weakening the influence of ＇frame drift＇ , we found that, after weakening, the white noise of observations is about 1/2 -2/3 of that before weakening. Except for the white noise, the stochastic noise is also discovered as the important part of ＇frame drift＇ , and it can be weakened in the same processing as well.

关 键 词：GPS 时间序列 参考框架 框动影响 形变信息 

分 类 号：P203[天文地球—测绘科学与技术] P227