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 LEOsJ. 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 LEOsJ. 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

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