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1、IEEETRANSACTIONSONELECTROMAGNETICCOMPATIBILITY,VOL.EMC-24,NO.4,NOVEMBER1982397[9]K.K.Mei,Ontheintegralequationsofthinwireantennas.symmetricalcylindricaldipoles,"Proc.IEE,vol.117,pp.837-878,IEEETrans.AntennasPropagat.,vol.AP-13,pp.374-378,MayMay1970.1965.[13]IE.C.Document12A(Secretar
2、iat)208.July1980.[101J.PeriniandD.J.Buchanan,"AssessmentofMOMtechniquesfor[14]L.C.Middlekamp,PrivatecommunicationtoMr.M.Okamura.shipboardapplications,"IEEETrans.Electromagn.Compat.,vol.[151IE.C.Document12A(CentralOffice)108,Oct.1981.EMC-24,pp.32-39,Feb.1982.[16]M.BorseroandE.Nano,"C
3、omparisonbetweencalculatedand[11]C.M.ButlerandD.R.Wilton,"AnalysisofvariousnumericalmeasuredattenuationofthesiterecommendedbyIECforradiationtechniquesappliedtothin-wirescatters,"IEEETransAntennasmeasurements,"presentedat4thSymp.Tech.ExhibitionEMCPropagat.,vol.AP-23,pp.534-540,July19
4、75.(Zurich,Switzerland),80N4,Mar.1981.[121B.D.Popovic."Polynomialapproximationofcurrentalongthin[17]IE.C.Document12A(Tokyo/Japan)1,Oct.1980.ANovelMethodtoAnalyzeElectromagneticScatteringofComplexObjectsKORADAUMASHANKAR,SENIORMEMBER,IEEE,ANDALLENTAFLOVE,MEMBER,IEEEAbstract-Thefinite-
5、differencetime-domain(FD-TD)methodisattempttogaininsightintoscatteringmechanismsusingproposedasameansofaccuratelycomputingelectromagneticscat-analyticalandnumericalapproaches,ithasbeennecessarytoteringbyarbitrary-shapedextremelycomplexmetalordielectricusecanonicalstructuresrathertha
6、nrealisticmodels.Apo-objectsexcitedbyanexternalplanewave.Intheproposedmethod,onefirstusestheFD-TDmethodtocomputetheneartotalfieldstentialalternateapproachisthefinite-differencetime-domainwithinarectangularvolumewhichfullyenclosestheobject.Then,an(FD-TD)method[2]-[17]whichallowstheco
7、mputationofelectromagnetic-fieldequivalenceprincipleisinvokedatavirtualinternalandexternalnearfieldsbydirectmodelingofrealisticsurfaceofthisrectangularvolumetotransformthetangentialnearstructures.scatteredfieldstothefarfield.Toverifythefeasibilityofthismethod,Inordertotreatrealistic
8、scatteringproblemse
