QZSS L1频率对BDS-3单频短基线定位性能影响分析-豆柴文库

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QZSSL1频率对BDS-3单频短基线定位性能影响分析
Title:AnalysisoftheInfluenceofQZSSL1FrequencyonBDS-3Single-FrequencyShortBaselinePositioningPerformance
Abstract:
ThedevelopmentofGlobalNavigationSatelliteSystems(GNSS)hasseenanincreasedfocusonimprovingpositioningaccuracy.TheBeidouNavigationSatelliteSystem(BDS)andtheQuasi-ZenithSatelliteSystem(QZSS)aretwomajorsatellitesystemsthathavegainedprominenceinrecentyears.ThispaperaimstoanalyzetheimpactofQZSSL1frequencyonBDS-3single-frequencyshortbaselinepositioningperformance.Experimentalresearchanddataanalysiswereconductedtoevaluatethepositioningaccuracyandperformanceunderdifferentfrequencyconfigurations.TheresultshighlightthepotentialbenefitsofutilizingQZSSL1frequencyinBDS-3single-frequencyshortbaselinepositioning.
1.Introduction:
GNSSplaysavitalroleinmodernnavigationandpositioningsystems,providingaccurateposition,velocity,andtimingworldwide.BDS,developedbyChina,andQZSS,developedbyJapan,havemadesignificantstridesinrecentyears.Bothsystemshavetheiruniqueadvantagesandrequirecomprehensiveanalysistoexploretheirpotentialforimprovingpositioningaccuracy.
2.Background:
2.1BeidouNavigationSatelliteSystem(BDS):
BDSisaglobalsatellitenavigationsystemdevelopedbyChinathatprovidespositioning,navigation,andtimingservices.BDS-3isthelatestversionofthesystem,whichconsistsofatotalof35satellitesinmediumEarthorbit(MEO),inclinedgeosynchronousorbit(IGSO),andgeostationaryEarthorbit(GEO).
2.2Quasi-ZenithSatelliteSystem(QZSS):
QZSSisaregionalsatellitesystemdevelopedbyJapanprimarilytoaugmenttheGlobalPositioningSystem(GPS).TheQZSSconstellationconsistsofmultiplesatellites,includingtheQuasi-ZenithSatellite(QZS),whichhasalongervisibilitytimeabovethehorizoncomparedtootherGNSSsatellites.
3.Methodology:
3.1ExperimentalSetup:
AshortbaselinepositioningsystemwassetupusingaBDS-3single-frequencyreceiverandantennainastaticmode.TheQZSSL1frequencywasintegratedintothepositioningalgorithm,andthepositioningaccuracywasevaluated.
3.2DataCollection:
Datawascollectedovervarioustimeperiodstoensur