Use of the Morlet mother wavelet in the frequency-scale domain decomposition technique for the modal identification of ambient vibration responses

• Published in: Mechanical systems and signal processing Vol. 95; pp. 488 - 505
• Main Author: Le, Thien-Phu
• Format: Journal Article
• Language: English
• Published: Berlin Elsevier Ltd 01.10.2017; Elsevier BV; Elsevier
• Subjects: Ambient vibration; Cauchy problems; Continuous wavelet transform; Domain decomposition methods; Frequency-scale domain; Maxima; Mechanics; Modal identification; Morlet mother wavelet; Physics; Power spectral density; Regression analysis; Regressive mother wavelet; Signal processing; Singular value decomposition; Vibration response; Wavelet analysis; Wavelet transform; Wavelet transforms; Wavelet transform; Morlet mother wavelet; Regressive mother wavelet; Power spectral density; Modal identification; Ambient vibration; Frequency-scale domain; Singular value decomposition

•Frequency-scale domain decomposition method based on the Morlet mother wavelet.•Identification of modal parameters from local maxima in frequency-scale plane.•Validation using numerical examples and a laboratory test. The frequency-scale domain decomposition technique has recently been proposed for...