资源描述：
《交通信息采集雷达的研究与实现》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、交通信息采集雷达的研究与实现ABSTRACTAccompanywiththeincreasingnumberofprivatecarsinChina,urbantraffichavebecomeaserioustrafficproblem.Indeed,developmentofintelligenttransportsystemsisaneffectivewaytosolvetheurbantrafficproblem.TrafficradarasamajorpartoftheIntelligentTransportationSystemhasall-weat
2、her,all-time,highaccuracyandothercharacteristics.Therefore,trafficradarhasattractedmoreattention.But,atpresent,thedomesticresearchisbackward,oneoffactorislackingofakindofmultifunctionalradarthatcanbeusedforacquiringtrafficinformation.Thegoalofthisthesisisresearchingaradarsystemwhichi
3、sapplicabletoacquirevehicleinformationonhighway.Theradarcanmeasurethevelocities,distances,azimuthanglesandotherbasicinformationintheradiationrange.Subsequently,multi-targettrackingandtrackmanagementareexecutedbytheuppercomputerbasedonthemeasureddatawhichisuploadedThemaincontentsofthi
4、sthesisaresummarizedasfollows:(1)Firstofall,studytheprincipleofLFMCW,FSK,MFSKandFSK-FMCWthatbeusedtomeasurevelocityanddistance,inhence,analyzetheabilityofdistinguishinmultipletargetssituationofeachprinciple.Comparedwithadvantagesanddisadvantagesofeachradarprinciple,theprincipleofFSKi
5、sselectedtoimplementthesystem.Withthemethodofradaranglemeasurementdiscussed,themaximumunambiguousangleandanglemeasurementaccuracyofthedualantennaphaseanglemeasurementareanalyzed.Intheend,TheOS-CFARalgorithmformulti-targetsdetectionisstudiedandsimulated.(2)Confirmthesystemparametersan
6、ddesignthesystemhardware.Accordingtothedesignofindicatorsofthesystem,parametersofthesystemareanalyzedanddetermined.Besides,theRFfront-endisselectedbasedontherequirementsofradarprinciples.Inordertorealizethatfour-channelsignalsoftheRFfront-endareacquiredrespectivelyatreal-time,theDSP+
7、FPGAstructureisdesigned.Thefilteramplifiermodule,thecoreprocessormodule,acquisitionmoduleandthesystempowersupplymodulearecompletedusingthemoduledesign.(3)Firstly,inordertoachievethefunctionofsystemsoftware，theprogramflowchartisdesigned.Then,theprogramthatinvolvedFPGAmoduleofdataacqui
8、sitionandthe
