基于CRLH傳輸線的微波器件小型化的研究與設(shè)計.pdf

1、南京郵電大學(xué)碩士學(xué)位論文基于CRLH傳輸線的微波器件小型化的研究與設(shè)計姓名：劉季申請學(xué)位級別：碩士專業(yè)：電磁場與微波技術(shù)指導(dǎo)教師：秦衛(wèi)平20100401南京郵電大學(xué)碩士研究生學(xué)位論文AbstractAbstractLeft—HandedMeta—material(LHM)isanartificialcompositestructureAsitspermittivityandpermeabilityaresimultaneouslyneg

2、ative，ithassomenovelpropertiessuchasNegativeRefraction，ReversedDopplerShift，ReversedCherenkovRadiationandSOonTherefore，ithasattractedagreatdealofattentionoftheresearchersinandabroadtodevotetheirworksinthetheoryandapplica

3、tionSofartherearetwotechnologiestomakemetamaterial，oneisbasedonthearrayofmetalrodsandSRR(Split—RingResonator)，andtheotherisbasedontheCRLH—TL(CompositeRight／Left—HandedTransmissionLine)Inthisthesis，thesecondisstudiedprinc

4、ipallyThispaperfirstlyintroducesthespecialcharacteristicsofthelefthandedmetamatierial，andthenillustratestheprincipleofthedesignofCRLHAccordingtothemethodofDrItoh，someresearchWOrkshavebeendoneasfollows：Thefirst，CRLH—TLwhi

5、chisputforwardbyDrItohissimulated，testedandverified，andthedispersioncurvecanbegottenbytheparameterretrievalmethodofDrSmith，TheinterdigitalcapacitorofItohstructureisreplacedbyMIMcapacitors，whichreducestheprocessingcomplex

6、ityThesecond，onedimensionCRLH—TLandresonatorbasedoncoplanarwaveguideisdesignedandsimulatedThesizeofresonatorismuchlessthantraditionalresonatorofhalfwavelength，theresonatorcanhavezeroorderandnegativeorderfrequencywhilethe

7、traditionalresonatorcan’t，thelefthandedinductorstucturehasbeenimprovedThethird，theCRLH—TLwithmicrostrip／coplanarwaveguidestructureisdesigned，asthestructureusesbothupperandlowersubstratesurface，thesizeisgreatlyreducedThes

8、izeofresonatorismuchlessthantraditionalresonatorwhentheresonancefrequencyisthesameThefilterdesignedbythemethodofsimpleunitedexhibitsgoodinsertion／returnlossandgoodout—ofbandresponseKeywords：Metamaterial；CRLHTL(CompositeR