Array enhanced stochastic resonance and spatially correlated noises
Paweł Góra
Abstract
Open-access reader
Paweł Góra
Abstract
Open-access reader
We discuss the role of spatial correlations of the noise in the array enhanced stochastic resonance. We show numerically that the noises with negative correlations between different sites lead to significantly larger values of the signal-to-noise ratio than the uncorrelated noises or noises with positive correlations. If the noise is global, the system displays only the conventional stochastic resonance, without any array enhancement.
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We discuss the role of spatial correlations of the noise in the array enhanced stochastic resonance. We show numerically that the noises with negative correlations between different sites lead to significantly larger values of the signal-to-noise ratio than the uncorrelated noises or noises with positive correlations. If the noise is global, the system displays only the conventional stochastic resonance, without any array enhancement.
Key concepts: Stochastic resonance, Uncorrelated, Noise (video), Statistical physics, Resonance (particle physics), Signal-to-noise ratio (imaging), SIGNAL (programming language), Physics