The Calculation of the Stochastic Resonator Output Driven by Signal plus Noise

Author:

Kharchenko Oksana1,Kovacheva Zlatinka1,Chumakov Volodymyr2

Affiliation:

1. Information modeling, Institute of mathematics and informatics, Bulgarian academy of sciences, Acad. Georgi Bonchev Str., Block 8, Sofia, Bulgaria

2. Brera Astronomical Observatory, Italian National Institute for Astrophysics (INAF) Milano/Merate, via E. Bianchi 46, 23807 Merate (LC), Italy

Abstract

This paper investigates the stochastic resonance in nonlinear system driven by an additive signal-noise mixture. No exact analytical solution of the stochastic resonance equation has been found. It is usually solved approximately. In this paper, this equation is solved numerically. The noise dispersion under the stochastic resonance effect is determined. This study has convincingly shown that a weak signal could be amplified due to noise power and the output signal-to-noise ratio has a nonlinear dependence on the noise level. The results are applicable to radars in telecommunications and radio engineering.

Funder

Simonsen Foundation

Publisher

Association for Information Communication Technology Education and Science (UIKTEN)

Subject

Management of Technology and Innovation,Information Systems and Management,Strategy and Management,Education,Information Systems,Computer Science (miscellaneous)

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