ErrorModelingandEvaluationofUSBRangeandRange-rateMeasurements

doi:10.3780/j.issn.1000-758X.2014.03.010

›› 2014, Vol. 34 ›› Issue (3): 67-72.doi: 10.3780/j.issn.1000-758X.2014.03.010

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ErrorModelingandEvaluationofUSBRangeandRange-rateMeasurements

ZHENGAiwu ^1,2，SUNJing^1,2，HUSongjie^1,2，ZHOUJianping³

(1ScienceandTechnologyonAerospaceFlightDynamicsLaboratory,Beijing100094)(2BeijingAerospaceControlCenter,Beijing100094)(3ChinaMannedSpaceEngineeringOffice,Beijing100720)

Received:2013-04-10 Revised:2013-12-23 Published:2014-06-25 Online:2014-06-25

Abstract

Abstract: TheUnifiedS-bandSystem(USB)isthemainTT&C(Telemetry,TrackingandCommand)networkusedinspacemissionsincludingmannedspacecraftandlunarexplorationprogramsofChina.Firstly,allkindsoferrorsexistedintheUSBrangeandrange-rate measurementswereanalyzed,andtheerrorcorrectionmodelsoftroposphericrefractiondelay,ionosphericdelay,timetagbias,phasecentererror,channeldelayandsatelliteephemeriserrorwerepresented.Secondly,theaccuracyoftheUSBmeasurementswasevaluatedandobtainedbasedontheresidualanalysisoftheUSBrangeandrange-ratemeasurementsofarealspacemission.Finally,accordingtothecurrentactualityofdisposalandapplicationofUSBmeasurements,someadvicesthatshouldbenotedindataprocessingwereputforward.TheconclusionshaveimportantreferencevaluetoimprovetheaccuracyoforbitdeterminationbasedontheUSBsystemofChina.

Key words: UnifiedS-bandsystem, Range, Range-rate, Residualanalysis, Precisionevaluation, Spacecraft

ZHENG Ai-Wu, SUN Jing, HU Song-Jie, ZHOU Jian-Ping. ErrorModelingandEvaluationofUSBRangeandRange-rateMeasurements[J]. , 2014, 34(3): 67-72.

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ErrorModelingandEvaluationofUSBRangeandRange-rateMeasurements

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