川滇地区地壳应变率参数的总体最小二乘反演

Inversion of crustal strain rate parameters in Sichuan-Yunnan region based on total least squares

利用总体最小二乘方法和1998—2004年的GPS水平速度场观测数据研究川滇地区地壳应变率参数的反演,同时考虑观测值(速度)和系数矩阵(监测点坐标)的误差;比较分析总体最小二乘与最小二乘反演结果,证实总体最小二乘方法反演川滇地区地壳应变参数的合理性。

The inversion of Sichuan-Yunnan region strain rate parameters based on total least squares（TLS）and GPS measurements from 1998—2004are studied,not only considering the errors of observation（displacement or velocity field）,but also the errors of coefficient matrix（monitoring points coordinates）.The comparisons and analysis of strain rate parameters are carried out among the total least squares（TLS）results and least squares（LS）results.The rationality of total least squares（TLS）in Sichuan-Yunnan region crustal strain rate parameters inversion is confirmed.