2024
DOI: 10.3390/jmse12101766
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Multi-Scale Frequency-Adaptive-Network-Based Underwater Target Recognition

Lixu Zhuang,
Afeng Yang,
Yanxin Ma
et al.

Abstract: Due to the complexity of underwater environments, underwater target recognition based on radiated noise has always been challenging. This paper proposes a multi-scale frequency-adaptive network for underwater target recognition. Based on the different distribution densities of Mel filters in the low-frequency band, a three-channel improved Mel energy spectrum feature is designed first. Second, by combining a frequency-adaptive module, an attention mechanism, and a multi-scale fusion module, a multi-scale frequ… Show more

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