Research on Ship Signal Recognition under Underwater Explosion Interference Based on Wavelet Transform

Noise sources have always been a huge obstacle to the development of underwater target recognition. Based on this, this article obtains underwater target signals and explosion signals through simulation, and couples the target ship signal with the explosion signal to obtain the target ship signal containing strong noise interference. The time-frequency analysis of explosion, target, and their mixed signals is carried out through wavelet transform. The time-frequency characteristics are used to identify target signals under explosion interference. The research results have certain reference significance for underwater target recognition research.