Abstract
The stochastic resonance in a bias monostable system driven by a periodic rectangular signal and uncorrelated noises is investigated by using the theory of signal-to-noise (SNR) in the adiabatic limit. The analytic expression of the SNR is obtained for arbitrary signal amplitude without being restricted to small amplitudes. The SNR is a nonmonotonic function of intensities of multiplicative and additive noises and the noise intensity ratio R=D/Q, so stochastic resonance exhibits in the bias monostable system. We investigate the effect of any system parameter (such as D,Q,R,r) on the SNR. It is shown that the SNR is a nonmonotonic function of the static asymmetry r, also; the SNR is decreased when |r| is increased. Moreover, the SNR is increased when the noise intensity ratio R=D/Q is increased.
| Original language | English |
|---|---|
| Pages (from-to) | 329-333 |
| Number of pages | 5 |
| Journal | Nonlinear Dynamics |
| Volume | 67 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 2012 |
Keywords
- Bias monostable system
- Signal-to-noise ratio
- Stochastic resonance
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