1、Y953767梗旦大學(xué)碩士學(xué)位論文光纖監(jiān)測(cè)定位防護(hù)欄系統(tǒng)的研究院系(所)：專業(yè)：姓名：指導(dǎo)教師：完成日期：材料科學(xué)系物理電子學(xué)張?zhí)煺召Z波副教授2006年5月10日學(xué)校代碼：掌號(hào)：J0246032030036Abs訂actAbstractOpticalfibermonitoringandlocatingfencesystemisanewlyestablishedmultidisciplinedappliedtechnologyalongw

2、ithrecentrapiddevelopmentsinthefieldsofcommunication，opticalfibersensoraswellasdigitalsignalprocessingItisakindofperimeterintrusiondetectionsystemofthesecuritydefenceThisdissertationfirstlyreviewedcurrentdevelopmentsinel

3、ectronicfencesystem，thenexaminedseveraldistributedopticalfibersensors，andputtedforwardanewarchitecturebasedonwhitelightinterferometer，weinvestigatedsystematicallytheoutputsignalofthesystem，thenbymeansofthewavelettheory，w

4、eadvancedanewwaytolocatethepositionofthedisturbance，andfinallyaccomplishedthewholesystemExperimentsmanifestthecorrectnessofthetheoryTheopticalfibermonitoringandlocatingfencesystemofthisdissertationusedtheadvancedwhite—li

5、ghtinterferometerasthedetectionpart，andusingthe3x3couplerconfiguretheopticallineAsaresultofthis，themethodeliminatedtheinteroperabilityoftheclassicaldetectingsystems，andimprovedtheabilityfordetectingweakdisturbanceSpecifi

6、cally，weforwardedthepresentmethodforthepurposetodependoilthedetectingaimWeintegratedfastfouriertransformandwavelettechnologybasedontime—domainsignalprocessingtechnologyThesystemcandetecttherandomdisturbanceandlocateitspo

7、sitionThestabilityofthelightsource，dispersalnoiseandtemperaturenosemadeakeyerrorofthesystemWefirstofallstudiedthemboththeoreticallyandpractically，andthenworkedoutfeasibleprinciplestobetterthesystem’sprecisionAndweusingth

8、eadvancedthresholdderivativearithmeticexactlyconfirmedtheeigen—frequencyOnthebasisofabove—mentionedtheoreticalresearchandtheexperimentinthelab，wedevelopedanopticalfibermonitoringandlocatingfencesystembasedontheadvancedwh

9、itelightinterferometerItsucceededinapplyinganairstationforsecuritydeneeThefieldtestindicatethesystemhass訂ongperformancesinreal—time，compatibility，adaption，furthermoreitcallprewamKeywords：Fiberoptics；Distributedsensor；Int