... are easily buried in noise. Among various approaches, stochastic resonance (SR) has been widely adopted for weak signal detection. While many advancements have been focused on identifying useful information from the frequency domain by optimizing parameters in a post-processing environment to activate SR...

... 2019 weak signal detection periodical stochastic resonance grey wolf optimizer algorithm bearing fault diagnosis output saturation Vibration signals extracted from a mechanical equipment usually provide important dynamic information that can be used to evaluate the operating state...