NovelWoods–Saxon stochastic resonance system for weak signal detection
Zhou Yong-Hui, Xu Xue-Mei, Yin Lin-Zi, Ding Yi-Peng, Ding Jia-Feng, Sun Ke-Hui
       

SNRgain as a function of SNRin with different r and fixed a = 0.25, b = 2, c = 0.15, v0 = 10.