無線機車信號方案研究.pdf

1、北方交通大學碩士學位論文無線機車信號方案研究姓名：馬章申請學位級別：碩士專業(yè)：電子與通信指導教師：蔣大明20030401北方交通大學〔程碩十專業(yè)學位論文道電路共同保證行車安全所傳數(shù)據(jù)的容量大幅度增加，實現(xiàn)列車超速防護更加準確的判斷的需要易于實現(xiàn)與有關(guān)行車安全保障的其它系統(tǒng)如列車軸溫檢測、列車完整性檢查、列車定位、線路環(huán)境監(jiān)測等共享資源。文章基于無線機車信號系統(tǒng)的諸多特點，結(jié)合國外相關(guān)技術(shù)的發(fā)展，分析在我國設(shè)計無線機車信號系統(tǒng)的必要性、技

2、術(shù)關(guān)鍵、發(fā)展前景等，并提出適合我國實際的無線機車信號系統(tǒng)方案。abstractAccordingtorequirementsofChinarailwaytechnologypolicyitisshouldbemountedcabsignalandrunningsupervisoryrecorderequipmentwhentrainspeedisnotmorethan120kmh.Itissteppedthroughtocontrolt

3、rainwithcabsignal，combinedwithATPorrunningsupervisoryrecorderequipmentwhentrainspeedisnotmorethan160kmh.andusedtocontroltrainwithcabsignal，whichisbasedonmultiinformationwirelessjointtrackcircuitandcombinedwithATPwhentrai

4、nspeedisnotmorethan200kmh.Whentrainspeedismorethan200lanh，itisstudiedanddevelopedintelligenttrainboardingrunningcontrolsystemwhichisbasedondigitalencodewirelessjointtrackcircuitandithasfunctionofautomaticlycalculatintthe

5、spaceoftrainsandcompatibilitywithlimitedexpressandintercityexpress.Commoncabsignalsystemhasarestrictioninsaftyandreliability，andisnotafailuresaftysystembecauseitisnotsystemizeddesigningandnoreliabilityinformationresource

6、.eventhoughthecontrollingmodeof“Commoncabsignalsystemandrunningsupervisoryrecorder”hasbeenadoptedwidely.Commoncabsignalsystemcomposesoftransmittingequipmentandreceivingequipment.thetheoryissignalinformationhasbeenmodulat

7、edformerlyandcarriedbytrackcircuitandtransmittedtotrackviatrackcircuitcableandtransformer，oppositelytransmittedtothetrain.itislimitedutilisingoftheinformationbytrackcirciut，andinsemiautomaticsection，traincouldonlyreceive

8、informationwhenitoccupystherelatedtrackcirciut.Mobilecommunicationisaefficientmethodtocontrolmobile.itisaidealplantoseparatecalsignalinformationfromtrackcircuit，andsoachievingcabsignalasmainsignal.Theplanisbasedonwireles