Vibration parameter measurement using the temporal digital hologram sequence and windowed Fourier transform-中国期刊网

摘要 Realtimedigitalrecordingandnumericalreconstructionofatemporaldigitalhologramsequencehavebecomefeasibleinrecentyears.Theyprovideanewmeasurementmethodwhichenjoysthevaluableadvantagesofbeingfull-field,noncontactandhighprecision.Inthispaper,acombinedmethodoftemporaldigitalhologramsequenceandwindowedFouriertransformisproposedtomeasurethekinematicparametersofrandomvibration.AseriesofhologramsarerecordedbyCCDcameraandtheoriginalphasecanberecon...

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Vibration parameter measurement using the temporal digital hologram sequence and windowed Fourier transform

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Vibration parameter measurement using the temporal digital hologram sequence and windowed Fourier transform

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