7 DENSE MEDIA SCATTERING英文

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1、ScatteringofElectromagneticWaves:AdvancedTopics.LeungTsang,JinAuKong.Copyright2001JohnWiley&Sons,Inc.ISBNs:0-471-38801-7(Hardback);0-471-22427-8(Electronic)Chapter7DENSEMEDIASCATTERING1Introduction3242EffectivePropagationConstants,MeanGreen’sFunction,andMeanFi

2、eldforHalf-SpaceDiscreteRandomMediumofMultipleSpecies3253DerivationofDenseMediaRadiativeTransferEquation(DMRT)3294DenseMediaRadiativeTransferEquationsforActiveRemoteSensing3405GeneralRelationbetweenActiveandPassiveRemoteSensingwithTemperatureDistribution3446Den

3、seMediaRadiativeTransferEquationsforPassiveRemoteSensing3497NumericalIllustrationsofActiveandPassiveRemoteSensing351ReferencesandAdditionalReadings357-323-3247DENSEMEDIASCATTE.RING1IntroductionInChapter5,Section4,weshowedthattheQCA-CPontheDyson’sequa-tionandthe

4、correlatedladderapproximationontheBethe-Salpeterequationobeysenergyconservation.Inthischapter,wederivethedensemediara-diativetransferequation(DMRT)rilgorouslyfromthesetwoapproximationsforthecaseofsmalldielectricscatterers.Weconsiderdensediscreterandommediawithm

5、ultiplespeciesofpar-ticles.Themultiplespeciesreferstothefactthatthemediumisamixtureofparticleswithdifferentsizesandpermittivities.ThegoverningequationsofDyson’sequationunderQCA-CPapproximationandtheBethe-Salpeterequationunderthecorrelatedladderapproximationform

6、ultiplespeciesofparticlesthatarecorrelatedinpositions.Expressionsforthemassoperatorandtheintensityoperatoraregiven.InSection2,wecalculatetheeffectivepropagationconstants,themeanGreen’sfunction,andthemeanfieldforahalf-spacediscreterandommediumofmultiplespeciesba

7、sedonQCA-CP.InSection3,wederiverigorouslythedensemediaradiativetransferequationsaswellastheboundaryconditionsfromtheintegralformofthecorrelatedladderapproximationofmultiplespecies.ThepairdistributionfunctionsofmultiplespeciesarecalculatedbyusingthePercus-Yevick

8、equationfornon-interpenetrablespheres.ThefinalresultsofdensemediaradiativetransferequationsforactiveandpassiveremotesensingarerespectivelyinSections4and6.AllfourStokesparame