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1、车辆防盗系统的开发与研究毕业论文车辆防盗系统的开发与研究摘要随着我国社会主义市场经济的快速发展和人们生活水平的不断提高,购买车辆的用户越来越多。与此同时,盗窃汽车犯罪每年以惊人的速度不断飙升,车辆防盗产品已经成为必不可少的装备。而传统的汽车报警系统存在很多问题,如作用距离短、报警器产生的噪声污染环境、且误报现象经常发生。而基于GPS全球定位系统的汽车防盗报警器有运营商,有监控中心。车主入网成本高,不适宜中、低档车,不易普及.因此有必要研制一种新的功能强、价格相对便宜的远程遥控和定位汽车报警器,没有运营监控中心,仅依托
2、GSM公众网,利用GSM无线通信业务及短消息服务业务,对车辆进行远程监控和定位来解决上述各种问题。本文用华为生产的GTM900C模块,借用无线发送和接收、基带处理等功能,来实现无线数据传输和短信收发任务。课题通过介绍单片机开发的理论和对现代远程通信方式的讨论,提出了利用现有GSM网络的短消息业务实现的远程监控的种种优势,并将这种方式应用于车载防盗系统。系统采用先进的GTM900C通信模块和AT89C52单片机实现互连,通过AT指令,完成利用手机对车载防盗系统各项功能的实现。关键字:GTM900C模块;单片机;短消息;
3、无线通信;车辆监控车辆防盗系统的开发与研究AbstractAlongwithourcountrysocialistmarketeconomy'sfastdevelopmentandtheimprovementofpeople'slivingstandard,thepurchaseofvehiclesmoreandmoreusers.Atthesametime,crimesofstealingcarseachyearatanalarmingratesoaring,vehicleanti-theftproductshav
4、ebecomeessentialequipment.Whilethetraditionalcaralarmsystemhasmanyproblems,suchasroleinashortdistance,thealarmnoiseenvironment,andthefalsealarmphenomenonoftenoccurs.BasedontheglobalpositioningsystemGPScaranti-theftalarmoperator,amonitoringcenter.Ownersofnetcost
5、high,notsuitable,cheapcar,noteasytopopularize.Thereforeitisnecessarytodevelopanewfunctionisstrong,relativelycheappriceofremotecontrolandpositioningofthecaralarm,nooperationmonitorcenter,onlyrelyingontheGSMpublicnetwork,theuseofGSMwirelesscommunicationservicesan
6、dshortmessageservices,ofremotevehiclemonitoringandpositioningtosolvethevariousproblems.Inthispaper,withHuaweiproductionGTM900Cmodule,borrowthewirelesstransmissionandreception,basebandprocessingfunction,torealizewirelessdatatransmissionandmessagingtasks.Thesubje
7、ctthroughtheintroductionofMCUdevelopmenttheoryandthemodernwayofremotecommunicationisdiscussed,theuseofexistingGSMnetworkshortmessageservicetorealizeremotemonitoringofavarietyofadvantages,andinthiswaytheapplicationinvehicleanti-theftsystem.ThesystemusesadvancedG
8、TM900CcommunicationmoduleandAT89C52chipinterconnection,throughtheATinstruction,iscompletedbytheuseofmobilephoneinvehicleanti-theftsystemfunctionstoachieve.Keywords:TheGTM900