Analysis of weak signal detection based on tri-stable system under Levy noise
He Li-Fang, Cui Ying-Ying†, 
, Zhang Tian-Qi, Zhang Gang, Song Ying
, Zhang Tian-Qi, Zhang Gang, Song Ying Simulation results of the outer raceway defective signal detection, showing time domains and frequency domains of (a) and (b) the original fault signal, (c) and (d) the output signal after a bistable system, and (e) and (f) the output signal after a tri-stable system, respectively.
