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  • 简介:ThispaperhasanalyzedtheperturbationsofaGeoX-Sat(virtualsatellite)ingeostationaryorbit(GEO).Andcontrolmethods,strategiesandcalculationprocessesaredesignedoftheEast-West(E/W)station-keepingoftheGeoX-Sat.TheAttitudeandOrbitControlSubsystem(AOCS)providesattitudeinformationandmaintainstherequiredspacecraftattitudeduringallphasesofthemission,startingatspacecraftseparationfromthelaunchvehicleandthroughoutitsoperationallifetime.FortheGeoX-Satexercisingdesign,duetotimelimitations;onlytwomodesofoperationwereconsideredafterassumedlaunchingoperation:normalandstationkeeping.

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