Evolutionary Spectra in Random Vibrations
Journal of the Royal Statistical Society: Series B (Statistical Methodology) · 1973 · Volume 35 · Issue 2
DOI: 10.1111/j.2517-6161.1973.tb00950.x
Abstract
Theevolutionaryspectral representation for a class of non-stationary random processes is applied to vibrating systems. Input-response relations are developed for single degree of freedom and multimode systems involving time-varying spectra for both univariate and bivariate processes. Jet noise is modelled as an example of the univariate case and the response of an oscillator to this excitation is considered.
Keywords
evolutionary spectra, nonstationary random vibrations
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