本科毕业设计(论文)中英文对照翻译院(系部)专业名称年级班级学生姓名指导老师2010年06月11日SummarizingTheGlobalPositioningSystemAbstract:,invested,developed,andoperatedbytheUnitedStatesDepartmentofDefense,GPSisasatellite--RTKtechnologyisalsowidelyusedinmodernizationbuilding,munitiesofinterest,:GPS,Locating,RTK,Layout,SurveyBackgroundThe50s,,theAmericanscientistsinalongitstrackresearchin,haddiscoveredtheDopplershiftphenomenon,andhasfacilitatedDopplersatellitenavigationposi-pletingusingthisprinciple,essinthemilitaryandtheciviaspect,wasinanavigationlocalizationhistoryleap,ourcountryoncehasalsointroducedmanyDopplerreceiver,appliedtotheislandassociationmeasured,theEarthexploredandsoontheappliedtotheislandassociationmeasured,,signal-carrierfrequencylow,thetrackprecisionenhanceswithdifficulty,uracylowly,satisfiesthegeodeticsurveyortheprojectsurveyrequest,,USstartedfrom1973toprepareforconstructionglobalpositioningsystemGPS(GlobalPositioningSystem).Afterhasenteredtheplanproof,thesystemteststage,startedin1989tolaunchtheofficialworksatellite,pletedin1994,,evenlydistributesinsixorbit,thegroundlevelis20,000Kilometers,theinclinationoforbitis55,theflatheartrateapproximatelyis0,theweekcontractis12hours,thesatellitetotheearthlaunchingtwowavebandsintelligencesignals,(theL2waveband),lock,guaranteesthefrequencythestability,modulatesinthecarrierhastheexpressionsatellitepositionthebroadcaststarexperience,useint
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