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1、英文文献原文BasedontheGPS,GPRS,GISandInternetvehiclepositioningsystemAbstractThispaperintroducesanintegratedgeographicinformationsystem(GIS),combinedwiththeapplicationofglobalpositioningsystem(GPS),generalpacketradioservice(GPRS)andInternetvehiclepositioningsystem.Foraneedto
2、studyandmanagementofvehiclepositioningoftheenterprise,chooseasuitablevehiclepositioningsystemisveryimportant.Themainfeatureofthesystemistheuseofopengeographicinformationsystemplatformtoaccesstoresources,usingtheInternetbaseduserinterface,realizationofvehiclepositioning
3、informationupdate.ThesystemconsistsofGPSbasedpositioningdeviceofthevehicle,communicationserver,webserver,databaseserveranddesktopmapcomposition.Positioningdeviceinstalledinthevehicleinterior,throughtheGPSpositiontocollectreal-timeinformation,theinformationistransmitted
4、toacentraldatabasethroughGPRS.TheusercanthroughtheInternetinreal-timeshowthelocationofeachvehicle,andthenforallvehiclesmanagement.Vehiclepositionandotherrelatedinformationwillbedisplayedinthedesktopmapgeneratedbyanelectronicmap.Thissystemistheuseofinformationandcommuni
5、cationtechnologycombinedwitheachotherandform.Thesharpriseinfuelprices,thissystemwassuccessfullyusedonacompany'sresourcesforeffectivemanagementofgreathelp.Keywords:theglobalpositioningsystem(GPS),generalpacketradioservice(GPRS),vehiclepositioning,desktopmap,Internet,inf
6、ormationcommunicationtechnology.1、Introduction:Thisvehiclepositioningsystemtheintegrateduseofmoderninformationtechnologyandcommunicationtechnology,appliedtohavemorevehiclesenterprises,enterprisescanusethissystemforvehicletrackingandmanagement.Thissystemconsistsofvehicl
7、etrackingdevice,thecentralserversystemandInternet.Throughthissystem,userscanusetheircomputercontroldesktopmap,andthenunderstandthegeographiclocationofthevehicleandotherrelevantinformation.Thispaperfocusesonthedesignanddevelopmentofvehiclepositioningsysteminthe.However,
8、thissystemhasalotofotherunits,includingthemanagementofsystemresources(drivers,vehicles),andefficientuseof(vehicleallo