A WAVELET-BASED APPROACH FOR THE IDENTIFICATION OF LINEAR TIME-VARYING DYNAMICAL SYSTEMS

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Online Identification of Linear Time-varying Stiffness of Structural Systems by Wavelet Analysis (2008, methodology): “Being capable of retaining local frequency content information and its variation with time and having the advantage of flexible windowing over short time Fourier transform, wavelet transform methods have become powerful as techniques to identify time varying and non-linear systems [2,3,13,14,17,21,3”
Output-only identification and dynamic analysis of time-varying mechanical structures under random excitation: A comparative assessment of parametric methods (2010, methodology): “In many cases it is useful to identify a model of a TV structure which may be subsequently used for dynamic analysis [7–11], for the refinement of analytical models [12], for simulation [13], for damage detection and identification [14–16], as well as for prediction and control [17].”
Harmonic wavelets based statistical linearization for response evolutionary power spectrum determination (2012, unknown): “[13–17]).”