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Temporal variations of coda Q~(-1) associated with the dahaituoshan, Beijing, earthquake of 1990
作者姓名:华正兴  梁静  马云生  高龙生
作者单位:Institute of Geophysics,State Seismological Bureau,Beijing 100081,China
摘    要:Presentaddress:SouthCaliforniaUniversity,USA.ContributionNo.93A0032,InstituteofGeophysics,SSB,China.andstationareseparate,supposingarandomandhomogeneousdistributionofthescattersinathree-dimensionalinfiniteandperfectlyelasticmedium.TheenergydensityatadistanceofrisgivenasE(r,t|ω)=[W0(ω)g0(ω)]/(4πr2).K(vt/r).exp(-ωQc-1t)vt>r(2)WhereK(x)=(1/x)ln[(x+1)/(x-1)],andg0(ω)isthetotalscatteringcoefficientcharacterizingascatteringpowerperunitvolumeofthehomogeneousmedium.Comparisonofvariousobservationsincludingcodadecay

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