id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
work_lc2vjdyopfgd5fx347xmqj6ore	Lianming Sun	Estimation Algorithm for Low Frequency Seismic Motions Based on Extended Semblance Function	2016	5	.pdf	application/pdf	3204	702	75	Estimation Algorithm for Low Frequency Seismic Motions Based on domain algorithm is presented to estimate the travel time difference of seismic waves with multi-path interferences The spectra of the seismograms are calculated through the fast algorithm, and the multipath parameters as well as the difference of travel time between a reference position and the seismographic stations are Keywords: Spectral analysis, low frequency seismograms, semblance function, frequency domain. array signal processing methods were proposed to maximize a semblance function using a grid search algorithm, then to data space, the multi-path parameters can be estimated, and the optimization for the extended semblance function yields the estimation of travel time difference between a reference position and tiltmeter stations. time difference can improve the location accuracy of epicenter from the seismograms spectra in the proposed algorithm. The extended semblance function based algorithm has been proposed to estimate the difference of travel time and 	./cache/work_lc2vjdyopfgd5fx347xmqj6ore.pdf	./txt/work_lc2vjdyopfgd5fx347xmqj6ore.txt