介质谐振器天线和基片集成波导滤波功分器

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1、万方数据Abst憎ctAbstractFollowingtherapidlydevelopmentofmodemwirelesscommunication，communicationsystemespeciallyinthemobileterminalareorientedtowardssmallsize，lowweight，multi-bands．Antennaandpassivesareessentialpartofmicrowaveandmillimetersystems，multi—bandsantennaandmulti—functionspassivesareattrac

2、tingmoreandmoreresearchandhaverapiddevelopment．Substrateintegratedwaveguide(srw)，anemergingtransmissionstructurelikemetalwaveguideformicrowaveandmillimeterwaves，hasrecentlybeenproposed．SIWcanbefabricatedbyPrintedCircuitBoard(PCB)processandcaneasilybeintegratedwithotherplanarcircuit，whichhasmany

3、advantagesincludinghighpowercapacity，lowloss，lowradiation，andlowcost，etc．Substrateintegratedcoaxialline(SICL)issimilarwithstriplinethatpossessesadvantagesofwideband，nodispersivityandsmallsize，etc．Theworksthatconstitutethisthesiscoverthefollowingaspects：AccordingtorequirementsoftheIEEE802．11a／b／

4、gstandard，aSICLfeddielectricresonator(DR)doublebandmonopole／DRantennaisdesigned．ThedoubleoperationbandcanbeindependentlychangedbyadjustinglengthofmonopoleordimensionofDR．Proposedpowerdividers(PD)andban@assfiltersimplementedwithSIWtechnology．Firstofall，inordertoovercomethedisadvantageofnarrowope

5、ratingbandofradial·‘cavity·-typeSIWpowerdivider，arectangular-cavity-typeisproposedwhichcaneffectivelyexpandoperatingband．Secondly,coaxialfeedingnetworkshasbeensomewhatlimitedtotheplanarcircuitintegrationprocess，SOamulti．1ayersSIWpowerdividerisinvestigated．Finally,thetwowaysSIWpowerdividersinmul

6、ti—wayportsenvironmenthaveadisadvantageofthedevicedimensionincreasingrapidlytothenumberofoutputports；thefourwaysSIWpowerdividerisproposedtosolvetheproblem．ThemultilayerfourwaysSIWfilteringpowerdividerisalsoproposedtoforfurtherreductionofsystemdimensionandcost．Keywords：Substrateintegratedwavegui

7、de，substrateintegratedcoaxialline，万方数据Abstractdielectricresonatorantenna，filter,powerdivider,万方数据目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯IAbstract⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．II目勇乏⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯