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>Effects of time delay on stochastic resonance of a periodically driven linear system with multiplicative and periodically modulated additive white noises
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Effects of time delay on stochastic resonance of a periodically driven linear system with multiplicative and periodically modulated additive white noises
Stochastic resonance (SR) of a periodically driven time-delayed linear system with multiplicative white noise and periodically modulated additive white noise is investigated. In the condition of small delay time, an approximate analytical expression of output signal-to-noise ratio (SNR) is obtained. The analytical results indicate that (1) there exists a resonance peak in the curve for SNR versus time delay; (2) the time delay will suspend the SR dramatically for SNR versus other parameters of the system, such as noise intensity, correlation intensity, and signal frequency, once a certain value is reached, the SR phenomenon disappears.
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