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- W4200380711 abstract "Aiming at the problems of the conventional beamforming in the actual scene of the towed linear array, such as broadband signal distortion and high sidelobe. The expected beam response design method of low sidelobe based on second-order cone constraint optimization is proposed. The expected beam response of the reference frequency point is designed, and the beam response of other frequency points in the processing bandwidth is transformed into the beam response of the reference frequency point. And the constant beamwidth beamforming weighted vector is obtained, which makes the broadband beamforming have frequency invariant beam response. At the same time, the norm constraint of the weighted vector is added to improve the robustness. Besides the constant beamwidth groove beamforming method is proposed to suppress fixed azimuth interference. The effectiveness of the proposed method is verified by computer simulation with a uniform linear array." @default.
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- W4200380711 date "2021-12-14" @default.
- W4200380711 modified "2023-09-23" @default.
- W4200380711 title "Research on constant beamwidth beamforming for towed linear array" @default.
- W4200380711 doi "https://doi.org/10.1117/12.2624866" @default.
- W4200380711 hasPublicationYear "2021" @default.
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