互補(bǔ)開環(huán)諧振器-互補(bǔ)螺旋諧振器在微波器件設(shè)計(jì)中的應(yīng)用.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文互補(bǔ)開環(huán)諧振器互補(bǔ)螺旋諧振器在微波器件設(shè)計(jì)中的應(yīng)用姓名：宋晗申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電磁場(chǎng)與微波技術(shù)指導(dǎo)教師：劉少斌201101互補(bǔ)開環(huán)諧振器互補(bǔ)螺旋諧振器在微波器件設(shè)計(jì)中的應(yīng)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