大力發(fā)展beidou北斗導(dǎo)航系統(tǒng)

DevelopmentofBeiDouNavigationSatelliteSystemChinaSatelliteNavigationOffice1.BriefIntroduction2.SystemProgress3.

InternationalCooperation4.ConclusionContents

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DevelopmentRoadmapPHASEI:ProvidedRDSSfrom2000；PHASEII:ToprovideRNSSforusersinChinaanditssurroundingareas,andRDSSwithbroadercoveragefrom2012;PHASEIII:ToprovideRNSSwithglobalcoverageandalsoupgradedRDSSfrom2020;SpaceConstellation

GroundControlSegment

UserTerminals(2)

SystemDescriptionauthorizedserviceopenservicewiderangedifferentialservicepositionreportserviceThesystemcanprovidefourtypesofservices,includingauthorizedservice,openservice,widerangedifferentialserviceandpositionreportservice.

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ServicesandPerformancepositioningaccuracy<10mtimingaccuracy<20nsvelocityaccuracy<0.2m/sTwokindsofregionalservices

Wideareadifferentialservice：

Positioningaccuracy:1mShortmessageserviceSA/WAASWAASEGNOSGAGANMSASGNSSAugmentation(BeiDou)

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ServicesandPerformanceAugmentationSystemsintheworld(4)

TimeandCoordinateSystemBeiDoutime(BDT)isidenticaltoUTCThedefinitionofChina’sGeodeticCoordinateSystem2000(CGCS2000)isidenticaltoITRSBothBDTandCGCS2000keepimproving1.BriefIntroduction2.SystemProgress3.

InternationalCooperation4.ConclusionContentsTransitionfromBeiDouNavigationSatelliteDemonstrationSystemtoBeiDouNavigationSatelliteSystem(1)

SystemProgressIn2010,BeiDounavigationDemonstrationsatelliteswerereplacedbyBeiDounavigationsatellites,whileBeiDouNavigationSatelliteDemonstrationSystemwasseamlesslytransferredtoBeiDouNavigationSatelliteSystem.LaunchrecordofBeiDounavigationsatellitesDateTypeLaunchSiteLaunchVehicleSatellitePlatformOrbit2007.04.14MEOXichangCZ-3ADFH-3~21,500km2009.04.15GEOXichangCZ-3CDFH-3In-orbitmaintenance2010.01.17GEOXichangCZ-3CDFH-3144.5°E2010.06.02GEOXichangCZ-3CDFH-384°E2010.08.01IGSOXichangCZ-3ADFH-3Intersectionnode:118°E2010.11.01GEOXichangCZ-3CDFH-3160°E2010.12.18IGSOXichangCZ-3ADFH-3Intersectionnode:118°E2011.04.10IGSOXichangCZ-3ADFH-3Intersectionnode:118°E2011.07.27IGSOXichangCZ-3ADFH-3Intersectionnode:95°E(1)

SystemProgressTwomoreBeiDounavigationSatelliteswillbelaunchedin2011;FivemoreBeiDounavigationSatelliteswillbelaunchedin2012.In2011In2012

SatelliteLaunchPlan：

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SystemProgressAsimplenavigationconstellationconsistedof9satelliteshasbeenestablished.PreliminarytestwillbecompletedbyOctober2011,enablingthesystemtoprovideinitialoperationalservicesintheAsia-Pacificregion.SpaceConstellationPDOP(2)

InitialOperationalCapabilityIntegratedtestofthesystemhasbeencompleted,whichverifiedthecoordinationofsatelliteconstellation,groundcontrolsegmentanduserterminals,andtestedtheprecisionofsystemservices.PositioningResultPseudoRangePrecision(2)

InitialOperationalCapability

Coverageareain2011BeiDouwillgraduallyexpanditsservicearea,steadilyimproveperformance,soastoprovideservicesforusesinabroaderregion.

Coverageareain2012(2)

InitialOperationalCapabilityDomesticuserscanevaluatethesystemperformancethroughpilotoperation.Chinahasalreadypromoted

thedemonstrationofapplicationprogramsinAsia-Pacificarea.(2)

InitialOperationalCapability

AreaofdemonstrationofapplicationBeiDouNavigationSatelliteDemonstrationSystemhasbeenwidelyusedintransportation,marinefishery,hydrologicalmonitoring,meteorologicalforecasting,forestryfireprevention,telecommunicationandtiming,powerdispatchinganddisastermitigationandrelief.(3)

SystemApplicationsBeiDouNavigationSatelliteSystemwillstrengthenitsapplicationamongdifferentindustries,buildupanintegratedBeiDouapplicationsystem,promotethedevelopmentofpositioningservicemarket.(3)

SystemApplicationsAwiderangeofoperationalservicesMainlyforvehiclepositioningandnavigationAnumberofapplicationsforpersonallocationservicecombinedwithtelecommunicationApplicationProductsaleBusinessModelGNSSwithmulti-systemcompatibilitySinglesystemPositioningsystemBeiDouwillgraduallyextendfromChinatotheAsia-Pacificregion,andfurtherextendtoallovertheworldby2020.(3)

SystemApplicationsBeiDouNavigationSatellitesystemwillprovidehighqualityopenservicefreeofchargeforworldwideusers;Thesystemwillinitiallyprovideregionalservicesbytheendof2012,whichcansatisfytherequirementsofusersinAsia-Pacificarea;itwillalsocontinueimprovingsystemperformance,andprovidehighqualityserviceforusersworldwide;WeareplanningtopublishICDdocument(V1.0)inOctober2011,andactivelypromoteR&DofBeiDouproductsandthedevelopmentofapplicationservices.(4)

SystemServices1.BriefIntroduction2.SystemProgress3.

InternationalCooperation4.SummaryContents(1)PrincipleAdheringtothepolicyofopeninguptotheoutsideworldEngagedininternationalexchangeandcooperationinspacefieldSupportingallactivitiesthatutilizeouterspaceforpeacefulpurposesStrengtheningcooperationwithothercountriesbasedonequality,mutualbenefit,peacefulutilizationofouterspaceandcommondevelopment

Conductingphased,focused,non-discriminatoryandselectiveapproachi.PublishbluepaperofBeiDouNavigationSatelliteSystem–UpdatetheDevelopmentofBeiDou

NavigationSatelliteSystemeveryhalfayear;(2)

PolicyStructureii.ActivelypromotingmonitoringandevaluationofGNSSperformance,supportapplicationdemonstrationofmulti-GNSS,andimprovetheserviceperformanceofGNSS;iii.Dedicatedtorealizecompatibilityandinteroperabilitywithothersatellitenavigationsystems,andprovidebetterservicesforglobalusers;iv.

Integratedintointernationalstandardsofcivilaviation,maritime,etc.,enablingthesystemtoserveglobalusersbetter.(2)

PolicyStructurei.

ActivitiesrelatedtoICGOrganizedtheWorkingGroupBInterimMeetingofICG-6inShanghaiinMay2011；Attendedthe

meetingsoftheICG.(3)

MainActivitiesTheTechnicalWorkingGroup(TWG)oncompatibilityandinteroperabilitybetweenBeiDouandGalileohasheldseveralmeetingsii.CompatibilityandInteroperabilityCoordination(3)

MainActivitiesChinaandtheUShaveachievedcommonconsensusonRadioFrequencycompatibility;ActivelypromotethecoordinationofsatellitenetworkfrequencyandorbitlocationwithJapan,RussiaandAustralia;ActivelyparticipateinmeetingsrelatedtoWRC-12andconsultationmeetingson609resolutionheldbyITU.ii.CompatibilityandInteroperabilityCoordination(3)

MainActivitiesNAE-CAEWorkshoponGNSSFAA-CAACGNSSSeminariii.NAE-CAEWorkshoponGNSSiv.

FAA-CAACCivilAviationGNSSSeminar(3)

MainActivitiesCSNC2011Time:May18-21,2011,ShanghaiEXPOCenter,ShanghaiParticipants:morethan1500experts,scholarsandrepresentativesattendedtheconferencewithover630proposedpaperpresentedattheconference.v.

ChinaSatelliteNavigationConference(2)

MainActivities

vi.

InternationalExchange

ParticipatedinInstituteofNavigation(ION)Conferences,theInternationalSymposiumonGPS/GNSS(ISGNSS),theMunichSatelliteNavigationSummit,andNavigationSatelliteForumheldinMoscow,Ru