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) SNR_gain as a function of SNR_in of input noise signal with different system parameter b and a = 25, c = 0.5, r = 0.5.