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1、http://www.paper.edu.cnAnEfficientAnalysisoftheLong-wireantennaWithMatchedImpedanceUsingMPIE/MoM#Y.L.Guo,J.WangDepartmentofElectronicEngineering,UniversityofElectronicScienceandTechnologyofChina(UESTC)No.4,Section2,NorthJiansheRoad,Chengdu,P.R.China(610054)Email:gylingsky@yahoo.com.c
2、nAbstractInthispaper,themethodmixedpotentialintegralequation(MPIE)combinedwithhalfrooftopbasisfunctionisusedtoanalysisthelong-wireantennawithmatchedloadingterminations.MPIEisakindofintegralequationsinMethodofMoment(MOM)andcaneffectivelydealwithmodelswithterminalloads.Thecontributiono
3、fthismethodisthatwecantakepropermeasurestotheboundariesofthemodelbyusingthehalfbasisfunction,whichallowsthecurrenttoflowacrosstheedges.AlloftheelementsinMoMimpedancematrix,onlytheelementsinthefirstandsecondrowsneedcalculatingforthestructureofstraightlineaccordingtotheprincipleofrecip
4、rocityandsymmetry.Theresultsofcurrent,voltagealongthelineandtheradiationfieldcalculatedbythismethodagreewellwiththeresultsoftheoreticalvalueandtransmission-linetheory(TL).Keywords:long-wireantenna,MatchedImpedance,MPIE/MoM1IntroductionRecently,variouscommercialsoftwarehavebeendevelop
5、mentverymature,butitisdifficulttodealwithsomeelectricallargesizeandcomplexstructuremodels,takingintoaccountcomputer'smemoryandefficiency.MethodofMoment(MOM)isoneoftheimportantnumericalmethods,andhasbeenwidelyusedintheelectromagneticfieldforitsmanyadvantagesinanalysisprocess.Suchashig
6、hefficiency,flexible,fast,accurate,notlimitgeometricobjectsShape,andsolidtheoreticalfoundation.Usually,theproblemofterminatingwitharbitrarilyloadatsomeportswillbeencounteredintheanalysisofthemultiportscircuits,.soanalyzingthisproblemisthefoundationofanalyzingothermorecomplexcircuits.
7、Sofar,manyscholarshaveputforthdifferentmethods.Oneiselectromotiveforce(EMF)combinedMOMin[1][2].Anothermethodisproposedin[3],whichintroducespecialMOMhalfbasisfunctiontoanalysismicro-stripfiltersavoidingstubelements;UlrichJakobus[5]hasmadeasimilaranalysisformicro-stripcircuitswithloade
8、dmonopoleele
