互補開環(huán)諧振器-互補螺旋諧振器在微波器件設計中的應用.pdf

1、南京航空航天大學碩士學位論文互補開環(huán)諧振器互補螺旋諧振器在微波器件設計中的應用姓名：宋晗申請學位級別：碩士專業(yè)：電磁場與微波技術指導教師：劉少斌201101互補開環(huán)諧振器互補螺旋諧振器在微波器件設計中的應用IIAbstractAstheatomsofmetamaterialSplitringresonats(SRRs)complementarysplitringresonats(CSRRs)relevantresonatscanprov

2、idenegativeeffectivepermittivitynegativemagicpermeabilitystrangeelectromagicacteristicsareobtained.Theyhavebeenthefrontfocusrecentlyappliedtothedesignofantennasmicrowavecomponentsincludingfiltersfrequencyivesurfacespower

3、dividerscouplers.SysteminPackage(SIP)isaninevitabletrendbutsomepassivecomponentsduetotheirspecialprinciplesrequiredperfmancescannotbefullyintegratedwhichleadstoanurgentproblemofminiaturization.Inthispapertheideatoenhance

4、dispersionindertomakesignalwavelengthssmallatthedesiredfrequenciesispresentedfsizereductionthiscanbeachievedbymeansofloadingcomplementarysplitringresonats(CSRRs)complementaryspiralresonats(CSRs).Theiginalwksvaluableresul

5、tsofthisdissertationareasfollows:Firstcomplementaryspiralresonat(CSR)isproposedcomparedtoCSRRthesizeofCSRisjusthalfofCSRRatthesamedesiredfrequency.ThesamedifferentacteristicsofSRRSRCSRCSRRareanalyzedwiththeequivalentcirc

6、uitmodels.ArtificaltransmissionlineloadedwithCSRsisstudiedthevariablesaffectingtheacteristicsofpassbstopbareanalyzedwiththeequivalentcircuitmodelsmethodsofsimulation.Secondbasedonthepassbslowwaveacteristicsoflefthtransmi

7、ssionlineloadedbyCSRRsCSRsidinaryquarterwavelenthtransmissionlineisreplacedfsizereduction.Toillustratethepotentialoftheapproach3dBwilkinsonpowerdividerwithCSRRsCSRsmicrostripdirectionalcoupler180ohybridringwithCSRsarepro

8、posedthemeasuredresultsareingoodagreementwiththesimulation.EspeciallytheeffectivesizeofpowerdividerwithCSRRspowerdividercoupler180ohybridringwithCSRsare65%27%22%32%ofidinaryones.AtlastthestopbacteristicsofcadeCSRsarestud

9、iedappliedtothedesignoflowpassfiltersexcellentattenuationacteristicsinthestopbsharpresoponsecurvesnearthecutofffrequencyareobtained.ThensubstrateintegratedwaveguidecavitieswithCSRRsCSRsareinvestigated.Theproposedstructur

10、esallowtheimplementationofacontrollablefrequencypassbbelowthelowpassbfrequencyofthewaveguidecavity.Keywds:Complementarysplitringresonat(CSRR)complementaryspiralresonat(CSR)wilkinsonpowerdividermicrostripdirectionalcouple