卫星导航在海上运输领域应用.ppt

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1、APPLICATIONSOFSATELLITENAVIGATIONINSEATRANSPORTATIONANDPROTECTIONOFOCEANRESOURCEANDNTIRONMENT2002.12InGlobalSatelliteNavigationSystems(GNSS)generallyareGPS,GLONASSandGALILEO.IfallthesystemsareinuseitisreallythetimesofSatelliteNavigationandthereliabil

2、ityofsatellitenavigationwillbe100%.Aswellknown，oceanis70%oftheEarth,itwillbeemphasizedinthiscentury，becausemoreandmoreactivitiesofhumanbeingswillbeatseawiththedevelopmentofscienceandtechnology.Theactivitiesatseawillgreatlydependentonsatellitenavigati

3、on.Sosatellitenavigationatseawillbeanimportantapplicationarea.Sinceearly1990'sGPShasbeenthemostimportantsysteminGNSS.TheGPSindustryismainlyindevelopedcountry.AccordingtotheInteragencyGPSExecutiveBoard(IGEB)ofUS,theworldwidemarketsofGPSgoods&servicesw

4、illreach$16Bby2003.ThemarketsshareisthatUS30%,Europe23%,Japan44%,Asia2%andothers1%.The2%marketshareofAsiapointsthattheGPSindustryhasnotbeenformedyetinChina.ItalsocanbesaidthatthereisalargedevelopmentspaceinChinaforGPSindustry.Onotherhand,thesatellite

5、navigationindustryisveryimportantforChinamodernization.Chinaisalargecountryinseaandrivertransportationwithlongcoastlineandrivertransportationroutes.Sotherearewideapplicationareasinefficientmanagementofseatransportation,developmentandprotectionofocean

6、resources,andprotectionofoceanentironment.HerewewillgivesomepresentationsaboutGNSSapplicationsatsea.1.TheapplicationsofGNSSatseatransportationareaSeatransportationareagenerallyincludesshippingsystems,trafficmanagementsystems,andmaritimenavigationsyst

7、ems.Nowtakesomesystemsforexamples:MaritimeDGPSserviceforenhancedaccuracyandsafety,thatisGPSLocalaugmentsystem.GPS-basedvesseltrackingandtrafficmanagementmaximizeseffectivenessofwaterways,suchasVTSandAISsystems.Measurementandmanagementofmaritimenaviga

8、tionsystemswithhigherprecisioninharborandcoastline,sothatimprovedsafetyincreasesmaritimecommerce.Package/cargodeliverytrackingandmanagementinmodernlogisticssystems.Recreationalfacilitiesatsea.Andsoon.Nextwewilldescribetheapplicationsystemswhichhavebe