摘要
Thesatelliteremotesensinghasbecomeapromisingtechniquefordetectingearthquakeandfaultactivities.Butitisstillverydifficulttoexactlyextracttheearthquakeanomalyfromthecomplicatedremotesensinginformation.Thispaperpresentedatwo-stepmethodtoextracttheseismicmicrowaveradiationanomalyrelatedwithearthquake,whichcouldeliminatethestableinfluenceofgeography,terrain,coversphereandseasons,aswellastherandominfluenceofweather.Furthermorethetwo-stepmethodwasappliedtoanalyzetheanomalyofWenchuanearthquakebasedonthedataofAMSR-E.Microwaveradiationanomalieswereeffectivelydetectedrelatedtothemainshockandaftershocks.Theextractedmicrowaveradiationvariationshowedgeneralfeaturesofthree-stage:thepositiveradiationanomalyappearedaroundtheepicenterinthefirststage,quietvariationinthesecondstage,andabnormalareagraduallymovedtotheepicenterinthethirdstage.AfterthemainshockthemicrowaveradiationanomaliesdistributedalongtheLongmenshanfaults,andtheepicentersofaftershockswerecoincidentwiththeanomalyareainspace.
出版日期
2011年06月16日（中国期刊网平台首次上网日期，不代表论文的发表时间）
