Extended Network Inversion Filter and Experimental Study on the Xianshuihe Fault Zone
Chaojun Zhang · Journal of Seismological Research · 2008
The principle of the Extended Network Inversion Filter,calculation process,its development and the experimental study on the Xianshuihe Fault Zone are introduced in this paper.Using the real points of the GPS and geodetic survey stations set up in the Xianshuihe fault through the simplified fault geometric model and the man-set fault slip an applied experiment is made to this method.The residual sums of squares of the fault slip,slip-rate and the corresponding actual value are 0.13 and 0.18 respectively.This method can decompose the displacement variation of each station caused by the fault activity.The reversal recovery fault slip is coincident with the given fault slip.With the increase of the time-spatial density of the data,this method is hopeful to be used in the study work of actual geodetic data in Xianshuihe fault zone.