基于變型蔡氏電路檢測光纖加速度計信號方法的研究.pdf

1、哈爾濱工程大學碩士學位論文基于變型蔡氏電路檢測光纖加速度計信號方法的研究姓名：劉鵬申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：孟克20070101哈爾濱T程大學碩七學位論文ABSTRACTIn∞cemyears，astheimportantcontentofthenonlinearityscience，thechaostheoryhasgotquitegreatprogressinalotoftechnologyfieldInthi

2、spaperwemodifiedthemostrepresentativeChua’ScircuitandrebuildedittOafourstepnonautonomousnonlineardynamicsystemByalotofsimulationsandcircuitexperiments，wehavevalidatedthefeasibilitythatusethisckcuitpracticallyinthedetecti

3、onoftheFOSsmgalanddiscussedsomeactualcitesThefirstpartweexplainedthedevelopmenthistoryofthepresentweaksignaldedection，themeritandpresentsituationoftimefieldprocessingmethodchaostheorydevelopmentcourseandapplicationAndint

4、roducedseveraldefinitionsaboutchaosandbifurcationinordertolaysthefoundationforthebehindtheoreticalanalysisandtheexperimentInthesecondpartweenumeratedsomecommondetectivewaysandsomediscriminancesofchaosphenomenon，andexplai

5、nedMeinikov’ScriterionamplyBasedonthecriterionwecanunderstandconvenientlyweatherthesystem’SoutputestateWaschaoticstate，orstableperiodiccondition，wecouldalsoknowaccuratelythatweatherthependingsignalwasthepurenoise，ormixcy

6、clicalsignal，andneedn’ttoprotractthesimulationtimeblindlyThuswecouldadvancetheveracityandthevalidityoftheweaksignaldetectiveprecisionAtthetllirdpartweexpoundedtheelementsbythechaostheoryandchaosmethodOnthebaseofanalysedt

7、hemathematicmodeloftheChoa’ScircuRandthevoltamperecharacteristicoftheChoa’Sdiode，wemadetheEWBsimulationexperimentandthecircuitalexperimenttothedynamicpropertyandthenoisepropertyofthemodifiedChuascircuit，Theresultvalidate