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Model of bistatic scattering strength of underwater object in the far field is set up by Kirchhoff approximation. Monostatic target strength (TS) of Generic BeTSSi-submarine versus azimuthal angles are calculated by the proposed method at 1 kHz, 4 kHz and 8 kHz, which agree well with the international well-known data, and the computational accuracy is enhanced with the increment of acoustic frequency,...
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