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An Underwater Acoustic Target Recognition Method Based on AMNet | IEEE Journals & Magazine | IEEE Xplore

An Underwater Acoustic Target Recognition Method Based on AMNet


Abstract:

Underwater acoustic target recognition (UATR) is an important supporting technology for underwater information acquisition and countermeasure. Usually, ship radiated nois...Show More

Abstract:

Underwater acoustic target recognition (UATR) is an important supporting technology for underwater information acquisition and countermeasure. Usually, ship radiated noise is covered by the underwater acoustic background and previous deep learning methods for this task rely on clear and effective acoustic features. We propose a novel network called AMNet to alleviate the problem in this letter. It consists of a multibranch backbone network coupled with a convolutional attention network. The proposed network is able to obtain the internal features of radiated noise from the time-frequency map of the original data. The convolutional attention network adaptively selects the effective features by weighting them against the global information of the time-frequency map to assist the multibranch backbone network in classification recognition. Experimental results demonstrate that our model achieves an overall accuracy of 99.4% (2.4% improvement) on the ShipsEar database.
Published in: IEEE Geoscience and Remote Sensing Letters ( Volume: 20)
Article Sequence Number: 5501105
Date of Publication: 09 January 2023

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