無線機(jī)車信號方案研究.pdf

1、北方交通大學(xué)碩士學(xué)位論文無線機(jī)車信號方案研究姓名：馬章申請學(xué)位級別：碩士專業(yè)：電子與通信指導(dǎo)教師：蔣大明20030401北方交通大學(xué)〔程碩十專業(yè)學(xué)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(shí)現(xiàn)列車超速防護(hù)更加準(zhǔn)確的判斷的需要易于實(shí)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(jī)車信號系統(tǒng)的諸多特點(diǎn)，結(jié)合國外相關(guān)技術(shù)的發(fā)展，分析在我國設(shè)計(jì)無線機(jī)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(shí)際的無線機(jī)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