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《Abstract The》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫(kù)。
1、WeightedRAIMforPrecisionApproachToddWalterandPerEngeStanfordUniversityAbstractcollectedfromStanfordUniversity’swide-areadifferentialGPSnetwork.TheuseofdifferentialGPSisbecomingincreasinglypopularforreal-timenavigationsystems.Asthesesystemsmigratetosaf
2、ety-of-lifeapplications(e.g.1.0Introductionprecisionapproachandlanding),theirintegritybecomesmoreimportantthantheiraccuracy.OnemethodforTheuseofdifferentialGPSinasafety-of-lifeincreasingbothaccuracyandintegrityistheuseofapplication,suchasprecisionappr
3、oach,requiresthattheweightinginthenavigationsolution.Thismethodusesasystemprovideaccuratenavigationalinformationwithaprioriinformationtoweightcertainsatellites(e.g.thosehighdegreeofintegrity.Anypotentiallyhazardousorathigherelevation)overothersatellit
4、es.Theaccuracymisleadingpieceofinformationmustbeflaggedassuch,increasesbecausewebetterusetheinformationavailable.beforeitleadstoapositioningerror.ThemostrobustTheintegrityincreasesbecausesatellitesthataremorewaytoensurethattheinformationisvalidistohav
5、ealikelytointroduceerrorcontributelesstothesolution.multi-layerseriesofcheckswithasmuchindependencebetweenthelayersaspossible.IdeallythevalidityoftheAweightedpositionsolutionbyitselfdoesnotcorrectionswouldbeverifiedbothonthegroundandinprovidesufficien
6、tintegritytosupportprecisionapproach.theair.ReceiverAutonomousIntegrityMonitoringHowever,thismethodcanbecombinedwithaweighted(RAIM)isonepossiblemethodtocheckthevalidityofformofReceiverAutonomousIntegrityMonitoringthecorrectionsintheair.(RAIM)toincreas
7、ethelevelofintegrity.RAIMusesredundantmeasurementstochecktheconsistencyofanRAIMisasimpleyetpowerfultechniquetooverdeterminedsolution.Thischeckiscrucialbecausechecktheconsistencyofthenavigationsolution.Thisonlyausercandetectcertainerrortypes(e.g.severe
8、paperpresentstheweightedformofRAIMandhowitcanairframemultipathorlocalinterference).Adifferentialbeappliedtoprecisionapproach.Specifically,wewillreferencestationcandetectmanytypesoferrors.concentrateonCategoryIprecisionapproachaswillbeHowever,i
