资源描述：
《Galerkin Solution for the Thin Circular 英文文献资料》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、106IEELIRANSACTIONSONMICROWAVETHFORYANDTKHNIQUES.VOL36.NO1,JANUARY1988GalerkinSolutionfortheThinCircularIrisinaTE,,-ModeCircularWaveguideAhstruct-AnintegralequationforthetransverseelectricfieldintheTheunknownintheboundaryvalueproblemistheapertureofaconcentriccircularirisinatransverseplaneofa
2、circularapertureelectricfield,fromwhchthewaveguidefieldsarewaveguideisapproximatelysolvedbyGalerkin’smethod.Theaperturedetermined.TheGalerkinmethodisformulatedforthefieldisrepresentedbyafinitesumofnormalTEandTMcircularwaveguidemodesthatfitthecircularaperture.Thenumericalconvergencecaseofthet
3、ransversejunctionbetweentwoperfectlycon-oftheGalerkinsolutionisdemonstratedviaresultantaperturefieldductingcylindricalwaveguidesofgeneralcrosssection.distributionsandequivalentshuntsusceptanceforthecaseofdominantTheportionofthejunctionplanethatextendsintotheTE,,-modeexcitation.Theresultantap
4、ertureelectricfielddistributioninterior(theiris)istakentobeinfinitesimallythin.ThecloselyresemblesthatoftheTE,,aperturemodealone,exceptforedgeformulationisimplementedfortheTE,,excitationofthe.conditionbehaviorattheedgeoftheins.Aresonantorcapacitiveirisispossibleoverarestrictedrangeoffrequenc
5、ies.circularirisinacircularwaveguide,andseveralresultantapertureelectricfielddistributionsaregiven.AfamilyofdesigncurvesforthevariationoftheequivalentshuntI.INTRODUCTIONsusceptanceasafunctionofirissizeb/aandelectricalHESPECIFICAPERTUREunderconsiderationissizeofthecircularwaveguideKaisalsogiv
6、en,whereTthatofaninfinitesimallythincircularirisofinnerK=2r/histhewavenumberoftheunboundeddielectricradiusbinatransverseplaneofacircularwaveguideofinthewaveguide.radiusa,asshowninFig.1.Thecircularirisisconcentricwiththeaxisofthecircularwaveguide.Thecaseofcir-11.DERIVATIONOFELECTRICFIELDcular
7、lysymmetricexcitation(TE,,,TM,,modes)ofthisINTEGRALEQUATIONcircularirisortherelatedstepchangeinwaveguidediame-Theportionofeachwaveguidecrosssectionintheterproblemisconsideredbymanyauthors,forexampletransverseplanez=0thatdoesnotcoincidewiththe[1]-[5
