衛(wèi)星導航 - 北斗導航系統(tǒng)的應用與原理

Oct.18th-22nd,2010,TurinItalyChinaSatelliteNavigationOfficeThe5thmeetingofInternationalCommitteeonGNSSBeiDouNavigationSatelliteSystemContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.ConclusionContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.ConclusionAttachinggreatimportancetotheconstructionanddevelopmentofsatellitenavigationsystemandworkinghardtoexploreanddevelopthisimportantspaceinformationinfrastructure.ToprovideglobalaccurateandreliablePNTservicesinanyplaceoftheworld,anytimeandanyweather,aswellasshort-messageservices.R&DOperation&ReplacementAdvancedResearch19801994200020032010DeploymentR&DDeployment1999200420072020……Operation&ReplacementAdvancedResearchBeiDouNavigationDemonstrationSystemBeiDouNavigationSatelliteSystemPHASEII2000年2010年2012年2018年2020年RNSSRDSSPHASEIIIPHASEIContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.Conclusion2.

SystemBrief2.1

SystemInfrastructure

2.2SignalCharacteristics

2.3Service

2.4Time&CoordinateSystem2.1

SystemInfrastructureSpacesegmentGroundsegmentUsersegmentOrbitGEOSemi-majorAxis(km)42164Eccentricity0Inclination(deg)0RAAN(deg)180E,210.5E,240EArgumentPerigee(deg)0MeanAnomaly(deg)0SatelliteNumber2operational1spareSpaceSegmentPhaseI:OrbitGEOIGSOMEOSemi-majorAxis(km)421644216427878Eccentricity000Inclination(deg)05555RAAN(deg)158.75E,180E,210.5E,240E,260E218E,98E,338E,218E,98E0E,120EArgumentPerigee(deg)000MeanAnomaly(deg)0218E:0,98E:120,338E:240,218E:337,98E:97105,150,270,315SatelliteNumber554PlaneNumber132SpaceSegmentPhaseII:OrbitGEOIGSOMEOSemi-majorAxis(km)421644216427878Eccentricity000Inclination(deg)05555RAAN(deg)158.75E,180E,210.5E,240E,260E218E,98E,338E——ArgumentPerigee(deg)00MeanAnomaly(deg)0218E:0,98E:120,338E:240SatelliteNumber5327PlaneNumber133MEOconstellation：Walker24/3/1plus3sparesSpaceSegmentPhaseIII:S/L

AntennaLaserReflectorB1/B2/B3

AntennaCAntennaGEOSatelliteB1/B2/B3AntennaLaserReflectorMEO/IGSOSatelliteMasterControlStationUplinkStationMonitorStation2.1SystemStructureGroundSegmentBeiDouuserterminalsInteroperableterminalswithotherGNSS2.1SystemStructureUserSegmentComponentCarrierFrequency(MHz)ChipRate(cps)Bandwidth(MHz)ModulationTypeServiceTypeB1(I)1561.0982.0464.092QPSKOpenB1(Q)2.046AuthorizedB2(I)1207.142.04624QPSKOpenB2(Q)10.23AuthorizedB31268.5210.2324QPSKAuthorized2.2SignalCharacteristicsSignalsofPHASEII2.2SignalCharacteristicsSignalsofPhaseIIIComponentCarrierfrequency(MHz)Chiprate(cps)Data/Symbolrate(bps/sps)ModulationTypeServicetypeB1-CD1575.421.02350/100MBOC(6,1,1/11)OpenB1-CPNoB12.04650/100BOC（14，2）AuthorizedNoB2aD1191.79510.2325/50AltBOC(15,10)OpenB2aPNoB2bD50/100B2bPNoB31268.5210.23500bpsQPSK(10)AuthorizedB3-AD2.557550/100BOC(15,2.5)AuthorizedB3-APNoB1SignalsB2SignalsB3SignalsOpenServicesAuthorizedServices

Twokindsofglobalservices2.3ServicesandPerformancesOpenServiceopenandfreetousersPositioningAccuracy:10mTimingAccuracy:20nsVelocityAccuracy:0.2m/sAuthorizedServiceEnsurehighlyreliableuseevenincomplexsituationsTworegionalservicesfromBeiDouWiderangedifferentialservice：

Positioningaccuracy:1mShortmessageserviceAugmentationSystemsintheworldSA/WAASWAASEGNOSGAGANMSASGNSSAugmentation(BeiDou)BeiDoutime(BDT)isalignedtoUTCChinaGeodeticCoordinateSystem2000(CGCS2000)isconsistentwithITRSBothBDTandCGCS2000isimproving2.4TimeandCoordinateSystemContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.Conclusion3.

SystemStatus3.1

SystemDeployment

3.2RecentSatelliteLaunchPlan

3.3In-orbitVerificationFrom2000to2003,3GEOswerelaunchedOct31,2000140EDec

21,200080EMay

25,2003110.5E3.1SystemDeploymentPhaseI—DemonstrationSystemAtpresent,systemconstructionhascomeintothephaseII.3.1SystemDeploymentDateTypeLaunchCenterLaunchCarrierLaunchCabin

Orbit2007.04.14MEOXichangCZ-3ADFH-3~21,500km2009.04.15GEOXichangCZ-3CDFH-3In-orbitmaintenance2010.01.17GEOXichangCZ-3CDFH-3144.5°E2010.06.02GEOXichangCZ-3CDFH-384°E2010.08.01IGSOXichangCZ-3ADFH-3Intersectonnode:118°E1stIGSOnavigationsatellite

intheworldInNovember,6thsatellite—4thGEOInDecember,7thsatellite—2ndIGSO3.2RecentSatelliteLaunchPlanLaunchplanin2010Oct.18th-22nd,2010,TurinItalyRubidiumAtomFrequencyStandardStability：3.3In-orbitVerificationStability:5e-14/day3.3In-orbitVerificationOrbitdeterminationprecision:<10mTimesynchronizationprecision:<2ns

SignalSpectrum3.3In-orbitVerificationB1SignalB2SignalB3SignalContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.ConclusionFisheryTransportationWaterconservancyMeteorologyForestFirePreventionTimingDisasterPreventionandMitigationSoilMonitoringFishermensafetyoflifeoceanicandeconomicsecurityProtectionofmarineresourcesandsovereigntyFishery

FisherymanagementservicesFishingboatservicesSMSservices

DistributionofmarinefisheryapplicationsBeiDou-basedintegratedinformationservicenetworkFishery

14,000fishingusers,morethan40,000mobilephoneusersSince2007,morethan500fishingboatemergencyalarmsandhundredsofvesselcross-borderwarningsShipmonitoringsystemRoadinfrastructuresafetymonitoringsystemTransportation

BeiDoubasedhydrologicmonitoringsystem:morethan4,000usersSouthernregionsofShaanxiChangjiangvalleyYellowriverbasinEspeciallyinBarrierlakeduringWenchuanearthquakeWaterconservancySeriesofweatherforecastingterminalsandsystemapplicationsolutions:Automaticdigitalinformationtransmissionandcollectionamongnationaladministration,regionalcentersandvariousweatherstationsVisualizationofweatherstationdistributionmaphundredsofBeidouterminalsMeteorologyOct.18th-22nd,2010,TurinItalyFirepositioninganddetection,guidedfirefighting,logisticsupportanddamageassessmentIn2001,studyofBeidouapplicationinforestfirepreventionIn2002,applicationdemonstrationcompletedIn2003,practicaluseinforestfirepreventionMorethan200terminalsequippedinforestfirepreventionsystems,morethan500terminalsequippedinforestheadquarterandaffiliatedforcesForestFirePreventionBeidou/GPSdual-modetimesynchronizationdevicesEmbeddedBeidou/GPStimingmoduleTimingTimingtestofCDMAnetworkin7provincesofsoutheastcoastSuccessfultrialsin200setsofbasestationequipmentsappliedmorethan4yearsSynchronizationaccuracy:<100nsImprovingrescueresponseanddecisionmakingcapabilityRapidandtimelydisasterforecastwarningreportRescuecommandschedulingRapidemergencycommunicationDisasterPreventionandMitigationAfterearthquakehappenedinWenchuanSichuanProvinceandYushuQinghaiProvince,Beidouterminalssentthedisasterandrescueinformationtocommandcenteratthefirsttime.RemotedatacollectionBeiDousystemGIStechnologySatelliteremotesensingSoilMonitoringReal-timemonitoringofthesoilmoisture,temperature,humidityandlocationComprehensivedroughtconditionanalysisLandareaanddistancemeasurementContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.ConclusionFrequencycoordinationBeiDou&GPSSequenceTimeLocation1Jun2007Geneva,Switzerland2May2008Xi’an,China3Oct2008Geneva,Switzerland4Dec2009Sanya,China5Sep2010Chengdu,ChinaBeiDou&Galileo1May2007Beijing,China2Jan2010Beijing,ChinaBeiDou&GLONASS1Jan2007Moscow，RussiaTechnicalWorkingGrouponCompatibilityandInteroperabilityBeiDou&GalileoSequenceTimeLocation1Sep2008Beijing,China2Dec2008Beijing,China3Jun2009Brussels，Begium4Jan2010Beijing,China5Oct2010Brussels，BegiumContents1.DevelopmentRoadmap2.SystemBrief3.SystemStatus4.ExtendedApplications5.InternationalEvents6.DomesticEvents7.ConclusionOnSep8th,2010,thedocumentsof“Thedecisiononstrivingtocultivateanddevelopstrategicemergingindustries”adoptedbyStateDepartmentAnewgenerationofinformationtechnologyestablishedasoneofsevenstrategicemergingindustries

Satellitenavigationtechnology:oneimportantmemberofthenewgenerationofinformationtechnologies.Includedinthe"12thFive-Year"planofmanyMinistries,CommissionsandAdministrationsofthegovernmentDevelopmentandReformTransportationMeteorologyAgriculture,etc.DomesticEventsCSNC(ChinaSatelliteNavigationConference)ShanghaiIntelligentTrafficandNavigationIndustryTechnologyDevelopmentForumCPGPS(ChineseProfessionalsinGlobalPositioningSystems)ForumCSNC2010

1stChinaSatelliteNavigationConference(CSNC2010)May19to21,2010,ChinaNationalConferenceCenterLargenumberofparticipants:Morethan1000experts,scholarsandotherrepresentatives,morethan400proposedpaper,dozensofenterprisesentranceinto

satellitenavigationexhibitionsExchangeplatformonsystemconstruction,navigationtechnology,applicationandindustrialization

IntelligentTrafficandNavigationIndustryTechnologyDevelopmentForum

Sep.1stto2nd,2010,ShanghaiFocusNewgenerationsatellitenavigationsystemandinnov