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《基于uwb室內(nèi)定位系統(tǒng)的時(shí)域天線分析》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、ABSTRACTABSTRACTSinceUltra-wideBand(UWB)positioningtechnologybasedonshockpulsesystemhasanuniqueadvantageinshortdistanceprecisepositioning,ithasbeenmoreandmorepopularinindoorpositioningapplicationrecently.Time-domainantennasshoulderthecommunicationtaskasthecorecomponentofUWBindoorpositio
2、ningsystemandaffectsthequalityofsignaltransmission.ThispaperlaunchedaseriesofresearchontheUWBtime-domainantennainindoorpositioningsystem,analysismethodoftime-domainperformanceanddesignofantennaincluded.Maincontentsareasfollows:1.DesignoflinearlypolarizedantennasAccordingtotheapplication
3、requirementsofintelligenttransportationsystem,monopoleantennaisdesignedforshortdistanceapplicationandbow-tieforfardistanceapplicationasbasestationantennas.Disconeantennaisdesignedastagantennaaccordingtoitsapplicationenvironment.Throughfrequency-domainsimulationandtest,resultsshowthatthe
4、designedantennascanmeetthedemandofapplication.2.DesignofcircularlypolarizedantennaAccordingtotheapplicationrequirementsofrotator,acircularlypolarizedtime-domainantennaisdesignedastagantennatoavoidpolarizationmismatch,whichisdesignedfromArchimedesspiralantenna.Frequency-domainsimulationa
5、ndtestshowthatthedesignedantennascanmeetthedemandofapplication.3.Analysisoftime-domainperformancesAccordingtotheneedsofevaluation,themethodsofsimulationandtestarestudiedtoanalyzetheantenna’stimedomainperformance,andsomeoperationalmethodsaregiven.Time-domainperformancesofthedesignedanten
6、nasinthepaperareanalyzed.Resultsshowthattime-domainanalysisisconsistentwithfrequency-domainsimulationandtest.Ontheoneband,theconsistencyprovestheaccuracyofanalysismethod,andontheotherhanditshowsthatthedesignedantennadesignsconformstotherequirementsofthesystem.Keywords:UWBpositioningtech
7、nology,time-domainantenna,intelligenttransportation,circularpolarizationII目錄目錄第一章緒論....................................................................................................................11.1研究背景和意義....................................................................
