In the last decade the research in signal analysis was dominated
by models that encompass nonstationarity as an important feature.
This book presents the results of a workshop held in Grodek
Polandin February 2013 which was dedicated to the investigation of
cyclostationary signals. Its main objective is to highlight the
strong interactions between theory and applications of
cyclostationary signals with the use of modern statistical
tools.
An important application of cyclostationary signals is the
analysis of mechanical signals generated by a vibrating mechanism.
Cyclostationary models are very important to perform basic
operations on signals in both time and frequency domains. One of
the fundamental problems in diagnosis of rotating machine is the
identification of significant modulating frequencies that
contribute to the cyclostationary nature of the signals. The book
shows that there are modern tools available for analyzing
cyclostationary signals without the assumption of gaussianity.
Those methods are based on the ideas of bootstrap, subsampling and
Fraction-of-time (FOT) models. The book is organised in two parts.
The first part will be dedicated to pure theory on
cyclostationarity. Applications are presented in the second part
including several mechanical systems such as bearings, gears, with
or without damages."
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