Robust Fractional Low‐Order Multiple Window STFT for Infinite Variance Process Environment
Haibin Wang,
Changshou Deng,
Junbo Long
et al.
Abstract:Mechanical fault vibration signal is a typical non‐Gaussian process, they can be characterized by the infinite variance process, and the noise within these signals may also be the process in complex environments. The performance of the traditional cross‐term reduction algorithm is compromised, sometimes yielding incorrect results under the infinite variance process environment. Several robust fractional lower order time–frequency representation methods are proposed including fractional low‐order smoothed pseud… Show more
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