Research on a Fault Feature Extraction Method for an Electric Multiple Unit Axle-Box Bearing Based on a Resonance-Based Sparse Signal Decomposition and Variational Mode Decomposition Method Based on the Sparrow Search Algorithm. - Jiandong Qiu; Qiang Zhang; Minan Tang; Dingqiang Lin; Jiaxuan Liu; Shusheng Xu (Sensors, 2024)