A NUMERICAL STUDY FOR MICROWAVE BACKSCATTERING CROSS-SECTION OF SEA SURFACE

(整期优先)网络出版时间:2005-05-15
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BasedonTianetal.'stheoreticalmodelofmicrowavescattering,byusingthewindwavespectrumsuggestedbyFungetal.,numericalresultsofpolarizedback-scatteringwerecalculated.Thequantitativerelationshipsbetweenthecalculatedbackscatteringcross-sectionandtheenvironmentalparameters,suchaswindspeeds,azimuthalanglesandincidenceangles,werestudied.Comparedwiththetraditionaltwo-scalescatteringmodel,theresultsaremuchmorecoincidentwiththeobservationsundertheconditionofmoderateincidenceangles,whichisveryusefultomakeupforthetwo-scalemodel.Tomakethenewcalculationmodeltobeusedconvenientlyinthepractice,itssimplifiedformwasproposed.