A class of second-order stationary self-similar processes for 1/fphenomena

  • Authors:
  • B. Yazici;R.L. Kashyap

  • Affiliations:
  • Gen. Electr. Corp. Res. & Dev. Center, Schenectady, NY;-

  • Venue:
  • IEEE Transactions on Signal Processing
  • Year:
  • 1997

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Abstract

We propose a class of statistically self-similar processes and outline an alternative mathematical framework for the modeling and analysis of 1/f phenomena. The foundation of the proposed class is based on the extensions of the basic concepts of classical time series analysis, in particular, on the notion of stationarity. We consider a class of stochastic processes whose second-order structure is invariant with respect to time scales, i.e., E[X(t)X(λt)]=t2HλHR(λ), t>0 for some -x