卫星导航在海上运输领域的应用教程文件.ppt

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1、卫星导航在海上运输领域的应用Aswellknown，oceanis70%oftheEarth,itwillbeemphasizedinthiscentury，becausemoreandmoreactivitiesofhumanbeingswillbeatseawiththedevelopmentofscienceandtechnology.Theactivitiesatseawillgreatlydependentonsatellitenavigation.Sosatellitenavigationatseawillbeanimport

2、antapplicationarea.Sinceearly1990'sGPShasbeenthemostimportantsysteminGNSS.TheGPSindustryismainlyindevelopedcountry.AccordingtotheInteragencyGPSExecutiveBoard(IGEB)ofUS,theworldwidemarketsofGPSgoods&serviceswillreach$16Bby2003.ThemarketsshareisthatUS30%,Europe23%,Japan44%,

3、Asia2%andothers1%.The2%marketshareofAsiapointsthattheGPSindustryhasnotbeenformedyetinChina.ItalsocanbesaidthatthereisalargedevelopmentspaceinChinaforGPSindustry.Onotherhand,thesatellitenavigationindustryisveryimportantforChinamodernization.Chinaisalargecountryinseaandrive

4、rtransportationwithlongcoastlineandrivertransportationroutes.Sotherearewideapplicationareasinefficientmanagementofseatransportation,developmentandprotectionofoceanresources,andprotectionofoceanentironment.HerewewillgivesomepresentationsaboutGNSSapplicationsatsea.1.Theappl

5、icationsofGNSSatseatransportationareaSeatransportationareagenerallyincludesshippingsystems,trafficmanagementsystems,andmaritimenavigationsystems.Nowtakesomesystemsforexamples:MaritimeDGPSserviceforenhancedaccuracyandsafety,thatisGPSLocalaugmentsystem.GPS-basedvesseltracki

6、ngandtrafficmanagementmaximizeseffectivenessofwaterways,suchasVTSandAISsystems.Measurementandmanagementofmaritimenavigationsystemswithhigherprecisioninharborandcoastline,sothatimprovedsafetyincreasesmaritimecommerce.Package/cargodeliverytrackingandmanagementinmodernlogist

7、icssystems.Recreationalfacilitiesatsea.Andsoon.Nextwewilldescribetheapplicationsystemswhichhavebeenandisdevelopingandwillbeusefulforseatransportation：1.1ToestablishNationalDGPS-NDGPSforseaandlandtrafficusageInChinatherehasbeenGPSLocalaugmentsystem-RBN/DGPSalongcoastline,s

8、upportedbyChinaCommunicationministry.AccordingtothedevelopmentofGNSS,itisnecessarytoexpandRBN/DG