Implication of two-coupled tri-stable stochastic resonance in weak signal detection
Li Quan-Quan, Xu Xue-Mei †, Yin Lin-Zi, Ding Yi-Peng, Ding Jia-Feng, Sun Ke-Hui
       

(color online) SNRgain as a function of SNRin with different system parameter a and b = 6, c = 0.5, r = 0.5.