机车信号检测装置的研究

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1、华东交通大学硕士学位论文机车信号检测装置的研究姓名：王大刚申请学位级别：硕士专业：电力系统及其自动化指导教师：刘百芬20070609AbstmetResearchoftheTestingDeviceforCabSignalABSTRACTWiththedevelopmentofscienceandtechnology,therequirementonmeasurementtechnologyisgettingmoreandmoreimportant．neapplicationofelectronicmeasurememtech

2、nologyhasextendedtomorefieldsthanbefore．Becauseoflimitedfunctionsandbigsize．traditionalelectronicmeasuringequipments黜nolongersuitabletoeolHmonpurposes．111erapiddevelopmentofintegratedcircuitandcomputertechnologygivesbirthtoanewkindofinstrument，VirtuallnstrumemfVI)．V

3、Itechniquemakesfulluseoftlleabundantcomputersoftwareandhardwareresources，completethefunctionalityofseveralinstruments，suchasdataacquisition,dataanalysisandrealtimedisplay,andsignaloutput，andsoon．Inthisway,themeasuremeutandcontrolfunctionoftheinstrumentisextendedandt

4、heutilityisraised，madeinstrumentsofsystembeconcentrated，andthepriceoftheinstrumentisreduced．ItcallbesaidthattheVIisaleapforwardinthedevelopmentofinstrument,itrepresentthenewdevelopmentdirectionsandtrendsofinstrumentmeasuremeuttechnology．Along、viththerailwaytransport

5、ationheadingonhighspeedandheavyload．thetrainsafetybecomesmoreandmoreimportant．11lecabsignal．abasisoftraincontrolsystemensuringthetrainsafety,becomesmoreandmoreimportantaccordingly．Now,thecabsignalistakenasaquasi·mainsignalotherthananaidedsignal．Soitrequirethecabsign

6、altogivemoresteadyandreliabledisplay．Accurateandfastdetectionofrailwaycabsignalturnsintoasignificativeandimportantquestion．TIlispapermakesomeresearchesontheapplicationofVItechniqueontheparameterdetectionofrailwaycabsignalandproposeaconcretedesignmethodforcabsignalde

7、tection,proposinganewtrainofthoughtandmethodfortheautomaticdetectionofrailwaycabsignalandsystemintegration．KeyWords：virtualinstrument,cabsigrlaI，dataacquisition,digitalsignalprocessing独创性声明本人郑重声明：所呈交的学位论文是我个人在导师指导下进行的研究工作及取得的研究成果。尽我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其他人已经发表

8、和撰写的研究成果，也不包含为获得华东交通大学或其他教育机构的学位或证书所使用过的材料。与我一同工作的同志对本研究所做的任何贡献均已在论文中作了明确的说明并表示了谢意。本人签名j天同lJ关于论文使用授权的说明日期QZ6：9本人完全了解华东交通大学有关保留、使用学位论文的规定，即