gps交通数据采集关键技术与路政管理应用分析

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1、万方数据东南大学硕士学位论文万方数据AbstractAbs仃actTitle：KeyTechologolesApplicationinRoadAdministrationbasedonGPS1'afficdataCollectionStudent：YinHaoSupervisor：ProfessorJingxinXiaSE．JinzhangJiSchool：SoutheastUniversityTheglobalpositioningsystems(GPS)technologycannotonlyusedtoprovi

2、debasicinformationforlocating，monitoringandnavigatin2，butalsoCanbeusedinintelligenttransportationmanagement．ThispaperreachessomekeytechnologiesofapplyingGPStechnologyintothefieldoftransportationafterreviewsthepresentapplyingsituationofGPStechnologyinJiangsuProvi

3、nce，includingGPSdatasharing，mapmatchingandapplicationsinroadadministration．Aplatformwithfunctionsofdatacollection，datasharingandotherfunctionsinroadadministrationhasbeendesignedinthispaper．IntheaspectofGPSdatasharing，thispaperreachesfourmaincommunicationsprotoco

4、lsinthefieldoftransportationmanagementinJiangsuProvince．Andafteranalyzingthedemandofroadadministration．thisPaperdesignsastandardcommunicationsprotocolusedinGPSdatatransmission，whichiSbetter0erfofinance。scalabili饥faulttoleranceandflexibility．Besides，atransmission

5、mechanismiSdefinedthatSMSprotocolsshouldbeusedwhentheIPnetworkbreaksdown，whichcarlbeusedtocreateaplatformofdatasharing．MapmatchingisanotherimportanttechnologyinapplyingGPStechnologyreachedinthispaper．Amapmatchingapproachbasedontherealtimedataoftravelingdirection

6、iSprovidedinthispaper,supplementedbyGISdatapreprocessing，mapindexestablishing，segmentmatching，whichcanimprovetheaccuracyandefnciencyofapplyingtheGPSdata．ConsideringthedemandoftransportationmanagementinJiangsuProvince，anothermapmatchingapproachbasedonvirtual1atti

7、ceiSprovidedtosolvetheproblemofidentifyingpatrolcheckpoint．Theresultssuggestthatthesetwomapmatchingapproachesareemcient，fast，secureandaccurate．Intheaspectofroadadministrationapplicationsdesigning，thispaperanalyzestheresponsibilityofroadadministrationanddifficult

8、iesinroadadministrationpatrol，anddesignstheprogramandprocessofpatrolsupervision，eventsubmissionandeventwarning，emergencydisposal，someofwhichhasbeenrealized．Keywords：g