Self Noise Measurement and Analysis of "Sea wing 300" Underwater Glider

In order to carry out ocean sound field observation in deep sea, wide frequency band and long-term space-time based on the underwater glider platform, this paper uses the opportunity of "Sea wing 300" underwater glider sea test, carries the underwater acoustic sensor of rigid binding and elastic suspension installation mode, analyzes the basic characteristics of the underwater glider's self noise. The results show that the underwater acoustic sensor adopts the elastic suspension mode, which can significantly reduce the low-frequency vibration interference of the moving platform. On this basis, the time-frequency characteristics of the acoustic field signals of different equipment such as the buoyancy driving mechanism, the pitching mechanism, the steering mechanism, the CTD pump and the flow noise are obtained, and the application suggestions are given according to the distribution of the acoustic field characteristics.