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 Posted: Sun 3:23, 08 May 2011 Post subject: franklin and marshall clothing Based on Wavelet Tr |
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,[link widoczny dla zalogowanych]
Based on Wavelet Transform rotating machinery vibration signals of the data compression method
ionofwavelettransformtocompressionofmechanicalribra111) natidataCybenetiesandSystems,[link widoczny dla zalogowanych], 1997; 28 (3) :225 - 2443HeZY · WuLN-Periodicpredictionandswitchedadaptationinvibrationsignalcompression1991PacificRimConferenceonCommunications. ComputerandSignalProcessing. PiscatawayNJUSA, 1991, IEEEVictoriaISection. 1991:1901964 MallatStWenLHSingularitydetectionandprocessingwithwavelets. 1EEETrans iv rios0nInformationTheory. 1992; 38 (2) :617-641MethodofDataCompressingforRotatingMachineryVibrationSignalBasedonWaveletTransformxuMinqiangZhangJiazhongZhangGuobinHuangWenhu (DepartmentofAstronautics & Mechanics, HarbinInstituteofTechnologyHarbin.150001) AbstractInthepaper-thegeneralpropertiesofrotatingmachineryvibrationsignalsaresummarizedandtheutilityofwavelettranformtodetectthesingularitiesofsignalisreviewed, Onthiasis. aformofrepresentationofavibrationsignalisproposed · whichiscomprisedofthedecomposedwaveletcoefficientsandthespecializedfrequencycomponentsinthespectrum. Thewaveletcoefficientsindicatethesingularitiesofthesignal,[link widoczny dla zalogowanych], whilethefrequencycomponentsreflectitsnorma] characteristics. Thetotaldatasizeofsucharepresentationisfarlessthantheoriginaltimedomaindatasizeandanapproachforsignaldatacompressionisthusproposed. Thepresentedmethodhaeenappliedtosomeactualvibrationsignalsaswellassimulationsignalswithgoodresultsobtainedinrespectofdatacompressionratioandsignalreconstruction. Keywordsvibrationsignal; rotatingmachinery {datacompression; wavelettransform the first of the strong men Restraints Min , Associate Professor ,[link widoczny dla zalogowanych], September 1960 students. Phone : (0,151) 6414479; E-mail; xumq @ hopehit,[link widoczny dla zalogowanych], educn
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