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1、PreciseOrbitDeterminationforLowEarthOrbitSatellitesHobbs,David;Bohm,PrebenPublishedin:AnnalsoftheMarieCurieFellowshipAssociationPublished:2006-01-01LinktopublicationCitationforpublishedversion(APA):Hobbs,D.,&Bohm,P.(2006).PreciseOrbitDeterminationforLowEarthOrbitSatellites.AnnalsoftheMar

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accesstotheworkimmediatelyandinvestigateyourclaim.Downloaddate:13.Aug.2018PreciseOrbitDeterminationforLowEarthOrbitSatellitesDavidHobbs(hobbs@tele2adsl.dk)andPr

5、ebenBohn(prb@terma.com)TermaA/S,Space,Vasek?r12,2730Herlev,DenmarkAbstractforcesandmeasurementmodelparameters.ComponentsofthesatellitesstatevectoratareferenceepocharethenThepreciseorbitdeterminationproblemistoaccuratelyadjustedtominimizetheobservationresidualsinaleastdeterminetheposition

6、andvelocityvectorsofanorbitingsquaressense.Thus,tosolvetheorbitdeterminationsatellite.Inthispaperwereviewthegeneralcontentsofproblemoneneeds:theorbitdeterminationprocess,withparticularemphasisonLowEarthOrbit(LEO)satellites.Thedifferentorbit?Equations-of-motiondescribingtheforcesactingond

7、eterminationapproachesandthedifferentforcemodelsthesatelliteandpossiblythecovarianceofthecontainedwithinarebrieflydiscussed.ThetwomainprocessnoiseifaKalmanfilterisemployed.estimationtechniques,thebatchleastsquaresapproach?TherelationshipbetweentheobservedparametersandtheK