局部基片集成人工介質(zhì)結(jié)構(gòu)耦合線(xiàn)的研究及應(yīng)用.pdf

1、南京理工大學(xué)碩士學(xué)位論文局部基片集成人工介質(zhì)結(jié)構(gòu)耦合線(xiàn)的研究及應(yīng)用姓名：馮海艷申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：信號(hào)與信息處理指導(dǎo)教師：唐萬(wàn)春20100601AbstractAsthebasicunitinRFcircuit，couplinglinesarewidelyusedincouplerfilterphase。shifterandSOonItsanalysisanddesignhasarousedextensiveattentionInr

2、ecentyearsartificialdielectricpropertiesofthematerialsareusedtoalterthemediaforexamplebyaddingmetalconductorarrytoincreasetheeffectivedielectricpermittivityofartificialSubstrateintergratedartifialdielectricmediumcanincre

3、asetheeffectivedielectricconstantandCanbeusedinthemicrowavecircuitinwirelesscommunicationsystemswhitch赫improvedtowardsminiaturization，highreliabilitymultifunctionalandcostrequirementsSOcoupledmicrostriplinesofSIADarestud

4、iedintlliSarticleFirst，thearticledescribesthebasictheoryofcoupledmicrostriplines，thenintroducestheevenandoddanalysisofsymmetriccoupledmicrostriplinesBasedontheanalysisthecharacteristicsofsymmetriccoupledmicrostriptransmi

5、ssionwithsubstrateintegratedartificialdielectricstructureisdiscussed。Second，asymmetriccoupledlinesaremorgflexibleandconvenientintheapplicationSothecharacteristicsofasymmetriccoupledmicrostriplinesofLSIADisstudiedThen，bya

6、nalyzingtheLSIADstructureofcoupledmicrostriplines，amicrostriDtocoplanarlinetransitionofL—SIADstructureisstudiedinthisarticle；anultrawidebandcoplanarlinetomicrostfiplinetransitionisdesignedFinallyduetotheleft—handedcharac

7、teristicsofthetransmissionlineofLSIADstructure，witchmeansthatithasanon—linearphaseresponse，andthelocationofthezero‘orderresonanceCanbecontroled，adualdirectionalcouplerisdesignedKeyword：LSIAD，coupledmicrostriplines，coplan