摘要
Recordingsofseismicwavespropagatingfromearthquakesourcetoastationattheearth'ssurfaceareasystemresponsefunction.Theconvolutionoperatorintimedomaincanbesimplifiedasamultiplicationoperatorinfrequencydomain.Wediscussinfrequencydomaintheseparationofsource,pathandsiteeffectsforglobalscalingofearthquakesourceradiation.Alsodiscussedaresourcescalingmodel,faultingmechanism,andtheH/Vinversionproblemswithcrustalandnearsurfacestructures.Grossfeaturesofapparentsourcespectraappeartobenotmuchregion-dependentalthoughtheremaybedifferencebetweentectonicstyleswithinaregionoftectonicmixtureforwhichweneedfurtherstudyasdataaccumulate.Verticalspectramaybeabetterapproachtoapproximatesourceradiation,asithaslesscrustalamplificationeffectsthanhorizontalspectra.TheH/Vratioisevidentlyacomprehensiveindicatorofamplificationeffectsfromnearsurfacetodeepstructure.Thisgivesitpotentialasaninversiontooltodeducesitecrustalstructure.
出版日期
2001年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)