ANALYSIS METHOD FOR DISCRIMINATING BETWEEN EARTHQUAKE AND VIBRATION CAUSED BY NOISE

摘要

PROBLEM TO BE SOLVED: To provide an analysis method for accurately discriminating between a seismic wave and noise by using about 0.5 seconds of data.;SOLUTION: The method includes the steps of: representing seismic wave characteristics by using a predominant frequency easily calculated only by integer arithmetic, a parameter representing how the seismic wave rises, and the relationship between them; and determining seismic observation data not having the characteristics as noise.;COPYRIGHT: (C)2009,JPO&INPIT