Engines condition monitoring based on spectrum analysis of sound signals


This paper proposes the use of spectrum estimation with . . ~ ~ cross spectrum correlation to monitor the condition of approach is convenient and economical as it is nonautomotive engine based on their sound signatures. This where x(n) is the signal, and is the samples size. Eventhough the frequency resolution is N, the variance is lim var[P, (f)] = S& (f… (More)
DOI: 10.1109/ISSPA.2001.950253


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