Component statistical analysis of second order hidden periodicities

  • Authors:
  • I. Javorskyj;D. Dehay;I. Kravets

  • Affiliations:
  • Institute of Telecommunications, University of Technology and Life Sciences, Al. Prof. S. Kaliskiego, 7, 85796, Bydgoszcz, Poland;Institut de Recherche Mathématique de Rennes, CNRS UMR 6625, Université Rennes 2, Place H. Le Moal, 35043 Rennes cedex, France;Karpenko Physico-Mechanical Institute of the National Academy of Sciences of Ukraine, Naukova St. 5, 79601, Lviv, Ukraine

  • Venue:
  • Digital Signal Processing
  • Year:
  • 2014

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Abstract

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.