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《长春地质学院学报》 1994-04
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NEW METHODS CALCULATING Q VALUE USING SPECTRUM OF SEISMIC RECORD

Zhou Hui;Qu Guangxue;Yang Baojun(Department of Geophysics)  
On the basis of studing the limitations of spectrum ratio method forcalculating the seismic quality factor Q,this article puts forward several new methods.These methods make use of the main frequancies computed from reflection signals whichare reflected by two interfaces of a layer and the slope of the spectrum,or compensate thesecond spectrum by different Q value.When the main frequencies are the same,or theresemblance coefficient of the spectrums is maximal,Q can be obtained.These methodsare better than spectrum ratio method in some aspects.
【CateGory Index】: P631.414
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