Fractional Brownian Motion Approximation Based on Fractional Integration of a White Noise

Details Fractional Brownian Motion Approximation Based on Fractional Integration of a White Noise Fractional Brownian Motion Approximation Based on Fractional Integration of a White Noise

1999-02-15

arxiv.org/abs/cond-mat/9902209v1

Physics

Condensed Matter

Statistical Mechanics

9 pages, RevTeX 3.0, 5 figures PostScript

Scientific paper

We study simple approximations to fractional Gaussian noise and fractional Brownian motion. The approximations are based on spectral properties of the noise. They allow one to consider the noise as the result of fractional integration/differentiation of a white Gaussian noise. We study correlation properties of the approximation to fractional Gaussian noise and point to the peculiarities of persistent and anti-persistent behaviors. We also investigate self-similar properties of the approximation to fractional Brownian motion, namely, ``tH laws`` for the structure function and the range. We conclude that the models proposed serve as a convenient tool for the natural processes modelling and testing and improvement of the methods aimed at analysis and interpretation of experimental data.

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