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) (a) The original sinusoidal signal and its spectrum. (b) The noise signal and its spectrum. (c)–(f) The output signals with their spectra processed by SR, CSR, TSR, and CTSSR, respectively, when D is equal to 6.0.