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MGEX站解算GPSBDS基线精度对比分析
Title:AnalysisandComparisonofGPSandBDSBaselinePrecisioninMGEXStation
Abstract:
ThispaperaimstoanalyzeandcomparetheprecisionofbaselinesolutionsderivedfromGlobalPositioningSystem(GPS)andBeiDouNavigationSatelliteSystem(BDS)observationsattheMulti-GNSSExperiment(MGEX)station.Thestudyfocusesoninvestigatingtheaccuracyandperformanceofthesetwoglobalnavigationsatellitesystems(GNSS)intermsofbaselinedetermination.TheresearchinvolvescollectingdatafromMGEXstationsandemployingbaselineestimationtechniques.TheresultshighlightthedifferencesinbaselineprecisionachievedbyGPSandBDS,identifyingpotentialfactorsaffectingtheiraccuracy.
1.Introduction:
Withthegrowingdemandforprecisepositioningandnavigationcapabilities,multi-GNSSsolutionshavebecomeincreasinglypopular.GPSandBDSaretwomajorglobalnavigationsystemsthatprovidenavigationsignalsworldwide.ThisstudyaimstocomparethebaselineprecisionachievedbyGPSandBDSattheMGEXstation,ultimatelyprovidinginsightsintotheperformanceofthesesystems.
2.Methodology:
2.1MGEXStationSetup:
ThestudycollectsdatafromtheMGEXstation,whichisequippedwithdual-frequencyGNSSreceiverscapableoftrackingGPSandBDSsatellitessimultaneously.Thestationoperatescontinuouslytoprovideanuninterrupteddatastreamforanalysis.Thebasicsetupanddatacollectionprocedurearedescribedinthissection.
2.2DataProcessing:
Todeterminethebaselineprecision,thecollectedGNSSobservationsneedtobeprocessed.Thisinvolvesseveralstepssuchasdatapre-processing,includingqualitycontrol,satelliteorbitandclockcorrection,andionosphericdelayestimation.Dual-frequencyobservationsfrombothGPSandBDSareutilizedtoderiveprecisebaselinesolutions.
3.AnalysisandResults:
ThecollecteddataisanalyzedtodeterminethebaselineprecisionachievedbyGPSandBDSattheMGEXstation.Theaccuracyofthebaselinesolutionsisevaluatedusingstatisticalmeasuressuchasroot-mean-square(RMS)error,standarddeviation,andvariance.TheresultsarepresentedintabularandgraphicalformatstofacilitateacomprehensiveunderstandingoftheperformanceofGPSandBDS.
4.Discuss