Research on tacholess fast-varying instantaneous rotating frequency estimation model based on nonlinear short-time Fourier transform combination with adaptive chirp mode decomposition and its application - Yan, Lu; Lan, Tian Zhong; Yang, Shi Li; Chen, Qin Xiao; Bie, Jin Wei (Journal of low frequency noise, vibration, and active control, 2025)
Keywords: Chirp; Decomposition; Energy distribution; Fault diagnosis; Fourier transforms; Frequency distribution; Roller bearings; Rotation; Time-frequency analysis; Vibration; instantaneous rotating frequency estimation; Nonlinear short-time Fourier transform; fault diagnosis; order component extraction; adaptive chirp mode decomposition; high-speed fluctuation