最小二乘配置方法在提取GPS时间序列信息中的应用  

The Application of Least Square Collocation in Obtaining Information from GPS Time Series

作　　者：武艳强[1] 江在森[1] 杨国华[2] 

机构地区：[1]中国地震局地震预测研究所,北京100036 [2]中国地震局第一监测中心,天津300180

出　　处：《国际地震动态》2007年第7期99-103,共5页Recent Developments in World Seismology

基　　金：国家自然基金项目(40674010);国家科技支撑计划重点项目(2006BAC01B02-02)

摘　　要：通过对最小二乘配置方法的研究,应用该方法对GPS观测值时间序列和GPS基线时间序列进行分析,完成滤波并提取出不同频段的信息。首先,对最小二乘配置的具体解法进行了讨论。其次,对GPS基线计算方法进行了论述。最后,讨论了利用最小二乘配置在时间域进行信息提取的优势和应该注意的问题。Through the study of least square collocation method, GPS survey time series and GPS baseline time series Are analyzed Then, the information with different frequency has been obtained after filtering. Firstly, the solving process By use of least square collocation is discussed. Secondly, the method of calculating GPS baseline is explained. Finally, the advantages and noticea- ble problems of least square collocation in time domain are discussed during calculation.

关 键 词：最小二乘配置 大地线 GPS基线 时间序列 并行计算 

分 类 号：P228.4[天文地球—大地测量学与测量工程]