基于WSN的车辆检测系统的研究与设计

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1、国防科学技术大学硕士学位论文基于WSN的车辆检测系统的研究与设计姓名：姜胜山申请学位级别：硕士专业：计算机科学与技术指导教师：李宗伯20090601国防科学技术大学研究生院硕士学位论文ABSTRACTIntelligenttransportationsystemisthemostintensivefieldofhigh—techapplicationintheaftermathofaeronautics&astronauticsandmilitaryfield．Inthepremiseoftheoreticalmodels

2、tudyofcriticalinfrastructure，itcomprehensivelyappliesadvancedinformationtechnology，datacommunicationtechnology，electroniccontroltechnologyandcomputerprocessingtechniquestogroundtrafficmanagementsystem，therebycreatingareal—time，accurate，efficient，large—scale，andomn

3、i-directionalrole-playingtransportationmanagementsystem．Intelligenttransportationsystemachievestheorganicintegrationandcoordinateddevelopmentofpeople，vehicles，androads，thusfullyembodyingthemaximizationofeconomic，socialandecologicalbenefitsandachievingthesustainabi

4、lityoftransportdevelopment．Vehicleinformationdetectionisnotonlyanimoortantcomponentoftheintelligenttransportationsystem，butalSOthebasisandkeytechnologyofresearchingtheintelligenttransportationsystem．Throughtheinformationprocessingofvarioussensors，itobtainsthevehic

5、lespeed，identifiesmodels，makesstatisticsoftraffic，roadoccupancyrate，andothertrafficinformation．Asfirst．handdataofintelligenttransportationsystem．theaccuracyandreal．timeoftheinformationhavedirectimpactontheaccuracyofintelligenttransportationsystem．Withthecharacteri

6、stiesofitslow．power，low-cost，distributionandself-organization，wirelesssensornetworkbringsaboutaninnovation,greatlyupgradesthespeedofvehicleinformationcollectionandcoverage，elevatesthelevelofintelligentacquisition，andpromotesthedevelopmentofintelligenttransportatio

7、n．Inthispaper，in—depthanalysisofapplicationrequirementsandexistingtechnologyfoundation．AwirelessnetworkvehicledetectionsystembasedonthemagnetoresistivesensorWasdesigned．VehiclesdetectionalgorithmbasedontheaveragestrengthofmagneticfieldinterferenceWasproposed．byway

8、oftheidentificationofvehiclesthroughtheextractionoffeatures，theuseofclassifiersforclassificationofvehicles．Andthealgorithmprovedeffective．Proposedforthe