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ID:59565348
大小:217.00 KB
页数:30页
时间:2020-11-11
《卫星导航在海上运输领域的应用教程文件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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
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