The New Second and Higher Order Spectral Technique for Damage Monitoring of Structures and Machinery



Published Nov 1, 2020
Len Gelman


The new second and higher order spectral technique, the cross-covariance of complex spectral components, is proposed for monitoring damage of structure and machinery Normalization of the proposed technique is also developed. It is shown by simulation that the proposed technique provides effectiveness gain for detecting of damage compared to the higher order spectra.

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