Research on the Acoustic Feature Extraction Method of Ship Transient Noise

The underwater radiated noise of ships contains a lot of information, which is mainly divided into two signal forms: transient state and steady state. At present, the research technology for steady-state signals has been very mature, but the research on transient signals has always been the focus and difficulty. Therefore, how to obtain the instantaneous characteristics of ship underwater acoustic is an urgent problem in signal acquisition and processing. From the perspective of engineering research, this paper focuses on the analysis of multiple transient signal feature extraction