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- W2897687511 abstract "A novel underwater acoustic array signal processing method based on spatial reversal and convolution, aiming at improving detection performance, is proposed to meet the engineering application demand of the underwater acoustic array detection system. The theoretical and mathematical model of the proposed method is deduced and presented in detail. Based on the extended covariance matrix of the physical array, the array sensitivity equalization and the noise suppression technique of the underwater acoustic array are studied. The additional gain provided by sensitivity equalization and noise suppression techniques is analyzed and exploited. Computer modelling and various numerical simulations are applied to demonstrate the proposed method’s effectiveness. At-sea experimental data are processed to test the performance in real underwater acoustic environment. These results indicate that the proposed array processing method can effectively improve the detection ability. The proposed techniques in this paper provide an insightful way to improve the detection performance of the underwater acoustic array." @default.
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- W2897687511 date "2018-09-01" @default.
- W2897687511 modified "2023-09-24" @default.
- W2897687511 title "Underwater acoustics array spatial reversal convolution and beamforming" @default.
- W2897687511 doi "https://doi.org/10.1121/1.5067823" @default.
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