MA Yang, OU Jikun, YUAN Yunbin, HUO Xingliang, DING Wenwu. Estimation of GPS Antenna Phase Center Variation and Its Effect on Precise Orbit Determination of LEOs[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 894-900. DOI: 10.13203/j.whugis20130626
Citation: MA Yang, OU Jikun, YUAN Yunbin, HUO Xingliang, DING Wenwu. Estimation of GPS Antenna Phase Center Variation and Its Effect on Precise Orbit Determination of LEOs[J]. Geomatics and Information Science of Wuhan University, 2015, 40(7): 894-900. DOI: 10.13203/j.whugis20130626
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Estimation of GPS Antenna Phase Center Variation and Its Effect on Precise Orbit Determination of LEOs

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  • AccuratecalibrationofGPSsatellitetransmittingantennaphasecentersisveryimportantforpreciseGNSSdataprocessing,aswellasforpreciseorbitdeterminationofLEOs.ThispapertakesGPSasthestartingpointforanewmethodbasedonresidualsfromspace bornedatatocalibrateGPSsatelliteantennaPCVs.PCVsobtainedfromJASON 2GPSresidualsarecomparedwithigs08_1745.atx.Resultsshowthattheagreementisabout1mm～2mmbelow14°,andtheestimatedGPSPCVsvaluesisextendeduptonadirangleofprecisely17°.SeveralschemesweredesignedtoconsidertheeffectsofGPSPCVsonthepreciseorbitdeterminationofLEOs.Resultsshowthaterrorsabout2cmcanbecausedbyGPSPCVs.TheresultingPCVsobtainedthesameaccuracyorbitsasonesu singIGSPCVs,withaccuracyatabout3cmin3D,and1cmintheradialdirection.ThemethodusedinthispapercanprovidereferencesforcalibratingtheantennaphasecentervariationofBEIDOUsat ellites.
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