车辆定位系统中英文对照外文翻译文献.docx
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车辆定位系统中英文对照外文翻译文献.docx
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车辆定位系统中英文对照外文翻译文献
中英文对照外文翻译文献
(文档含英文原文和中文翻译)
原文:
BasedontheGPS,GPRS,GISandInternetvehiclepositioningsystem
Abstract
Thispaperintroducesanintegratedgeographicinformationsystem(GIS),combinedwiththeapplicationofglobalpositioningsystem(GPS),generalpacketradioservice(GPRS)andInternetvehiclepositioningsystem.Foraneedtostudyandmanagementofvehiclepositioningoftheenterprise,chooseasuitablevehiclepositioningsystemisveryimportant.Themainfeatureofthesystemistheuseofopengeographicinformationsystemplatformtoaccesstoresources,usingtheInternetbaseduserinterface,realizationofvehiclepositioninginformationupdate.ThesystemconsistsofGPSbasedpositioningdeviceofthevehicle,communicationserver,webserver,databaseserveranddesktopmapcomposition.Positioningdeviceinstalledinthevehicleinterior,throughtheGPSpositiontocollectreal-timeinformation,theinformationistransmittedtoacentraldatabasethroughGPRS.TheusercanthroughtheInternetinreal-timeshowthelocationofeachvehicle,andthenforallvehiclesmanagement.Vehiclepositionandotherrelatedinformationwillbedisplayedinthedesktopmapgeneratedbyanelectronicmap.Thissystemistheuseofinformationandcommunicationtechnologycombinedwitheachotherandform.Thesharpriseinfuelprices,thissystemwassuccessfullyusedonacompany'sresourcesforeffectivemanagementofgreathelp.
Keywords:
theglobalpositioningsystem(GPS),generalpacketradioservice(GPRS),vehiclepositioning,desktopmap,Internet,informationcommunicationtechnology.
1、Introduction:
Thisvehiclepositioningsystemtheintegrateduseofmoderninformationtechnologyandcommunicationtechnology,appliedtohavemorevehiclesenterprises,enterprisescanusethissystemforvehicletrackingandmanagement.
Thissystemconsistsofvehicletrackingdevice,thecentralserversystemandInternet.Throughthissystem,userscanusetheircomputercontroldesktopmap,andthenunderstandthegeographiclocationofthevehicleandotherrelevantinformation.
Thispaperfocusesonthedesignanddevelopmentofvehiclepositioningsysteminthe.However,thissystemhasalotofotherunits,includingthemanagementofsystemresources(drivers,vehicles),andefficientuseof(vehicleallocationproblem)andreportgenerationandauditactivitiessuchaspartof.
Thesystemisdesignedtoservealargefleetofvehiclesorcomplexrequirementsoftheuseofenterprise.Workersmayneedfrequentuseofshorttrips,aswellassomelong-distancetravel.Somemayvisitashortperiodoftimecanbedetermined,andsometravelmayneedtomatchthecorrespondingdailyschedule.Employeesmaysometimesrequireextendedtripsoraparkinglot,butthevehiclerepairoftenmeettemporaryneeds.Theseissuesrequireamoreeffectivevehiclepositioningsystemtosolve,inordertomeettheaboverequirements,needadiversificationstrategy.Inordertoimprovethecompanyoverallproductivity,mustonallvehiclecentralizedmanagement.
Thispaperusesavarietyoftechniquestoachievethisgoal.Thefollowingexampleshows:
wecantakeavarietyofscienceandtechnologyarecombinedtosolvearealproblem.
2GPSandGPRSdefinition
2.1GPS
GPSEnglishcalledGlobalPositionSystem,throughasimpletranslationwewillbe:
"theglobalpositioningsatellitesystem"thisresults.Inthenineteenfiftiesyears,Americansfor30years,spent$about30000000000,theconstructionofsuchabrilliantandhugesystem,canbesaidtobeabrillianthistoryofspaceflight.
Figure1GPSnavigationsatellite
BuiltatthebeginningoftheglobalpositioningsystemGPSinspirationwasborninmeridianinstrumentsatellitenavigationsystem,andradialnavigationsystemcannotdisplaythefixed-pointelevation,positionaccuracyandthepositioningtimeunsatisfactoryshortcomingsledtothebirthofGPS.
Thissystemconsistsof24satellites,in11hours,58dividedintoperiodicuninterruptedaroundtheearth,asweprovidepictures,data.Althoughsome12000kmaltitude,canbeinsightintoeverycorneroftheearth.Therefore,atfirst,thissetofequipmentisonlyusedinmilitaryandcivilfieldsrelatedtoimportantnationalinterests,givenitsgreatvaluetolaterreallyusedasacivilian,andcompletelyfree.Now,GPSistheproductofmoreemergeinanendlessstream,GPSmobilephone,carGPS,GPSmodule.Then,thelatitudeandlongitudeoftheconceptisalsomoreandmorebefiled,soweshuttleintheearthwillbemoreeasily.
2.2GPRS
GPRSGerneralPackerRadioServiceEnglish,Chinesetranslationforthecommunicationpacketradioservice.AtpresentthedomesticGPRScarrierisChinamobilecommunication,weoftensendMMSwhenIneedit,saysimply,itisakindofinfinitedatatransmissiontool.
Specifically,GPRSinth
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