Instantaneous feature extraction of non-stationary signal based on complex Morlet wavelet. - Huailin Ruan; Jiren Xu (EMEIT, 2011)

Research on sound intensity probe whose frequency band can be adjusted. - Xiaolan Zhao; Huailin Ruan; Jiren Xu; Jiasong Cheng; Jihai Niu (EMEIT, 2011)