Circuits, Systems, and Signal Processing
Coherent covariance analysis of periodically correlated random processes
Signal Processing
Periodically Correlated Random Sequences: Spectral Theory and Practice (Wiley Series in Probability and Statistics)
Search-efficient methods of detection of cyclostationary signals
IEEE Transactions on Signal Processing
IEEE Transactions on Signal Processing
Statistical tests for presence of cyclostationarity
IEEE Transactions on Signal Processing
Nonparametric time series analysis for periodically correlated processes
IEEE Transactions on Information Theory
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The component method is applied to define estimators of the periods for Gaussian periodically correlated random processes (mathematical model of stochastic oscillations). The properties of these period estimators are obtained using some small parameter method and the rate of convergence is shown to be optimal. Specific results for the simplest models of periodically correlated process are presented. Finally the method is illustrated with a simulated sequence and a real life vibration signal.