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空间科学学报 2009
Utilizationofmodifiedsphericalcoordinatesforsatellitetosatellitebearings-onlytracking, PP. 627-634 Keywords: Satellite,Passivetracking,ModifiedSphericalCoordinates Abstract: AnewsatellitetosatellitepassivetrackingmethodusingBearings-OnlymeasurementsinModifiedSphericalCoordinates(MSC)isproposed.Thesystemdynamicsandmeasurementprocessarepresentedinthree-dimensionalMSC,andthenthetrackingmethodisdeducedindetailsbasedontheCartesianmethod.Performanceofthenewmethodisvalidatedthroughcomputersimulations,whichprovedthattheproposedmethodiseffectiveintermsoftheestimationaccuracyandconvergencetimecomparedwiththeCartesianmethodnomattertheInitialStateErrors(ISE)andmeasurementerrorsarelargeorsmall.
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