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
       

Processing of bearing outer ring fault signal, time domain diagram and spectrum: (a) input signal, (b) output signal of SR system, (c) output signal of TSR system, and (d) output signal of EWSSR system.