Abstract
Abstract
This paper presents an analysis of braking noise and vibration measurements using the short-time Fourier transform (STFT), Morlet wavelet transform (WT) and Wigner—Ville distribution (WVD). These time—frequency analysis tools are described and applied successively to a simulated signal and to experimental measurements performed during a braking test. Particular attention is paid to the dependence on rotational speed, and on the correlation between noise, vibration measurements and other physical parameters.
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