The phenomenon of stochastic resonance (SR) in the tumor cell growth model subjected to colored noise with a weakly periodic signal is investigated by using the theory of signal-to-noise ratio (SNR) in the adiabatic limit. The effects of the noise parameters (the multiplicative noise intensity D , the additive noise intensity α, the cross-correlated strength λ and the correlation time τ 1 , τ 2 and τ 3 ) are analyzed by numerical calculation. It is found that the existence of a maximum in the R SNR –α plot, R SNR –λ plot and R SNR – D plot is the identifying characteristic of the SR phenomenon. The two peaks appear in the SNR-α curves simultaneously with the amplitude A increasing.
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Canjun Wang (2009) studied this question.
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