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P wave onset time picking with the B-spline biorthogonal wavelet
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作者 滕云田 王喜珍 +2 位作者 王晓美 马洁美 许建华 《Acta Seismologica Sinica(English Edition)》 CSCD 2006年第3期350-355,共6页
The seismic wave consists of many seismic phases, which contain rich geophysical information from the hypocenter, medium of seismic wave passing through and so on. It is very important to detect and pick these seismic... The seismic wave consists of many seismic phases, which contain rich geophysical information from the hypocenter, medium of seismic wave passing through and so on. It is very important to detect and pick these seismic phases for understanding the mechanism of earthquake, the Earth structure and property of seismic waves. In order to reduce or avoid the loss resulted from the earthquake, one of the important goals of seismic event detecting is to obtain its related information before and after it occurs. Because of the particularity of P wave and S wave the seismic event detecting focuses on distinguishing P and S waves and picking their onset time, it has been becoming one of the research hotspots for many geophysicists to pick the P and S wave arrival accurately and effectively. 展开更多
关键词 biorthogonal wavelet characteristic function the onset time picking
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