基于次聲波的煤氣管道泄漏監(jiān)測系統(tǒng)研究.pdf

1、電子科技大學(xué)碩士學(xué)位論文基于次聲波的煤氣管道泄漏監(jiān)測系統(tǒng)研究姓名：劉盈申請學(xué)位級別：碩士專業(yè)：信號與信息處理指導(dǎo)教師：張揚20100501ABSTRACT————————————————————————————————————————————————————————一一_ABSTRACTPipelinetransportationhavetheseadvantagesoflargetraffic，thriftinvestInent10w

2、losscontinuousandautomationtransportBecauseoftheseadvantagespipelinetransportation，highways，railways，waterandaircallbecalledthefivetransportsectorAsanecessarypartofamodemsocietythegaspipelinetakesunpredictabledangersinto

3、everyhouseWiththegaspipelineagingandvandalism，gaspipelineaccidentOCCt11“frequentlyanditcausestremendousharmItiswhythatgaspipelineleakmonitoringsystemhasbecomeahotspotinsocietyButeverylsystemhavetheshortagesinmethodsThese

4、shortagesarenealtimeimprecise，andinefficientinmonitorSothispaperstudiesanewgaspipelineleakmonitoringsystemaccordingtesearchvarietyofpreviousliteratureThemainonesareasfollows：First，thisPaperintroducesvarietyofmonitormetho

5、dsinsocietyThenthispaperanalysisthebasicprinciplesoftherealtimemonitoringofthepipelineleakandproposesthedistributionnetworkframeworkbasedoninfrasoundmonitoringSecond，themonitorsystemusingtheexistingSCADAfordatacollecti01

6、1ofpipelineinhardwarearchitectureThissystemUSeStheauxiliarysensorwhichcanimprovetheaccuracyofsignalacquisitionThissystemalsousesGPSmodulefordatatransmissionandtimecorrectionInordertoaccuratelycapturethesignal，thissystemc

7、ombinescorrelationanalysis，iterativecycleandwaveletanalysisalgorithmwhichusesthecorrectionfo衄ulaofinfrasoundvelocitywithmediumdensitypressure，heatandmaterialsFinallythepaperstudiesthesystemsimulationIntheMATLABso哦varepla