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1、PDFpdfFactorywww.fineprint.cnSubject:Researchof120EmergencyVehicleTerminalMulti-ChannelDataAcquisitionSystemBasedonBeidouNavigationSatelliteSystemSpecialty:DetectionTechnologyandAutomaticDeviceName:ZhouGuiyu（Signature）Instructor:MaXianmin（Signature）ABSTRCET120emergencycommandsyst
2、emisanimportantpartinthecity'semergencycommandsystem,whichfunctionsandemergencymodeimpactdictate,organiztion,coordinatingroleandstatusonmajoraccidentsandemergenciesdirectly.Themobilephoneismainlyusedtocommunicatedbetweenvehicleterminalandthefirst-aidstationinthe120emergencysystem
3、,whichgeneratsincomprehensiveandincollaborativeinformation,so,theconditionofthepatientintheambulancecannotreturntothefirstaidstationorhospitalontimeandtheaidstationorhospitalcannotresortpre-hospitalcareandothermeasureseffectiveandtimely.Inresponsetotheseproblems,computertechnolog
4、y,3GwirelesscommunicationstechnologyandBeidoupositioningtechnologyarecombinedtoapplicatedindataacquisition,wirelesscommunicationsandpositioningonthemobileterminaleffectively.Inthispaper,apowerful120vehicleterminaldataacquisitionsystemisdesignedbasedontheBeidoumodule,ARM9andLinuxo
5、peratingsystemwhichusedtheembeddedsystemsasdevelopmenttechnology,SamsungMini2440asdevelopmentboard,S3C2440asthecentralprocessor.Thecollectedmulti-channeldataaremainlyincludingmedicalequipmentdatawhicharecollectedbytheEthernetport,Beidoumodulepositioninginformationwhicharecollecte
6、dbytheserialport,carinformationwhicharecollectedbyCANbus,communicationinformationwhichusedtheworld'sleading3Gwirelesscommunicationtechnology.Atthesametimeofdesign,itinheritedarichperipheralinterfacessuchasUSB,serialport,Ethernetportandsoon.Firstly，thispaperanalyzedthecomposition,
7、function,aswellasthekeytechnologyofthe120-vehicleterminal,proposedthehardwaredesignandmethodofmulti-channeldataacquisitionsystem,completeddesignandimplementationofapplicationsoftwareofdataacquisitionapplicationsystem,andcompletedthepreparationandtestofserialdriver.Atlast,PDFpdfFa
8、ctorywww.fineprint.cnthecollecteddataare
