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ID:39348631
大小:3.62 MB
页数:36页
时间:2019-07-01
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1、ScatteringofElectromagneticWaves:AdvancedTopics.LeungTsang,JinAuKong.Copyright2001JohnWiley&Sons,Inc.ISBNs:0-471-38801-7(Hardback);0-471-22427-8(Electronic)Chapter7DENSEMEDIASCATTERING1Introduction3242EffectivePropagationConstants,MeanGreen’sFunction,andMeanFieldforHalf-SpaceDiscreteRa
2、ndomMediumofMultipleSpecies3253DerivationofDenseMediaRadiativeTransferEquation(DMRT)3294DenseMediaRadiativeTransferEquationsforActiveRemoteSensing3405GeneralRelationbetweenActiveandPassiveRemoteSensingwithTemperatureDistribution3446DenseMediaRadiativeTransferEquationsforPassiveRemoteSen
3、sing3497NumericalIllustrationsofActiveandPassiveRemoteSensing351ReferencesandAdditionalReadings357-323-3247DENSEMEDIASCATTE.RING1IntroductionInChapter5,Section4,weshowedthattheQCA-CPontheDyson’sequa-tionandthecorrelatedladderapproximationontheBethe-Salpeterequationobeysenergyconservatio
4、n.Inthischapter,wederivethedensemediara-diativetransferequation(DMRT)rilgorouslyfromthesetwoapproximationsforthecaseofsmalldielectricscatterers.Weconsiderdensediscreterandommediawithmultiplespeciesofpar-ticles.Themultiplespeciesreferstothefactthatthemediumisamixtureofparticleswithdiffer
5、entsizesandpermittivities.ThegoverningequationsofDyson’sequationunderQCA-CPapproximationandtheBethe-Salpeterequationunderthecorrelatedladderapproximationformultiplespeciesofparticlesthatarecorrelatedinpositions.Expressionsforthemassoperatorandtheintensityoperatoraregiven.InSection2,weca
6、lculatetheeffectivepropagationconstants,themeanGreen’sfunction,andthemeanfieldforahalf-spacediscreterandommediumofmultiplespeciesbasedonQCA-CP.InSection3,wederiverigorouslythedensemediaradiativetransferequationsaswellastheboundaryconditionsfromtheintegralformofthecorrelatedladderapproxi
7、mationofmultiplespecies.ThepairdistributionfunctionsofmultiplespeciesarecalculatedbyusingthePercus-Yevickequationfornon-interpenetrablespheres.ThefinalresultsofdensemediaradiativetransferequationsforactiveandpassiveremotesensingarerespectivelyinSections4and6.AllfourStokesparame
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