预览加载中，请您耐心等待几秒...

具有匹配负载的长线天线的矩量法分析.pdf

预览
1/7
2/7
3/7
4/7
5/7
6/7
7/7

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

http://www.paper.edu.cn AnEfficientAnalysisoftheLong-wireantennaWith MatchedImpedanceUsingMPIE/MoM #Y.L.Guo,J.Wang DepartmentofElectronicEngineering, UniversityofElectronicScienceandTechnologyofChina(UESTC) No.4,Section2,NorthJiansheRoad,Chengdu,P.R.China(610054) Email:gylingsky@yahoo.com.cn Abstract Inthispaper,themethodmixedpotentialintegralequation(MPIE)combinedwithhalfrooftop basisfunctionisusedtoanalysisthelong-wireantennawithmatchedloadingterminations. MPIEisakindofintegralequationsinMethodofMoment(MOM)andcaneffectivelydealwith modelswithterminalloads.Thecontributionofthismethodisthatwecantakepropermeasures totheboundariesofthemodelbyusingthehalfbasisfunction,whichallowsthecurrenttoflow acrosstheedges.AlloftheelementsinMoMimpedancematrix,onlytheelementsinthefirst andsecondrowsneedcalculatingforthestructureofstraightlineaccordingtotheprincipleof reciprocityandsymmetry.Theresultsofcurrent,voltagealongthelineandtheradiationfield calculatedbythismethodagreewellwiththeresultsoftheoreticalvalueandtransmission-line theory(TL). Keywords:long-wireantenna,MatchedImpedance,MPIE/MoM 1Introduction Recently,variouscommercialsoftwarehavebeendevelopmentverymature,butitisdifficulttodeal withsomeelectricallargesizeandcomplexstructuremodels,takingintoaccountcomputer'smemory andefficiency.MethodofMoment(MOM)isoneoftheimportantnumericalmethods,andhasbeen widelyusedintheelectromagneticfieldforitsmanyadvantagesinanalysisprocess.Suchashigh efficiency,flexible,fast,accurate,notlimitgeometricobjectsShape,andsolidtheoretical foundation.Usually,theproblemofterminatingwitharbitrarilyloadatsomeportswillbeencountered intheanalysisofthemultiportscircuits,.soanalyzingthisproblemisthefoundationofanalyzing othermorecomplexcircuits. Sofar,manyscholarshaveputforthdifferentmethods.Oneiselectromotiveforce(EMF)combined MOMin[1][2].Anothermethodisproposedin[3],whichintroducespecialMOMhalfbasisfunction toanalysismicro-stripfiltersavoidingstubelements;UlrichJakobus[5]hasmadeasimilaranalysis formic