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Theoretical analysis and experimental research on port/starboard discrimination in towed line array

Theoretical analysis and experimental research on port/starboard discrimination in towed line array
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摘要 The theoretical analysis and experimental research on Port/Starboard (P/S) discrimination in towed line array are proposed. Two methods resolving the P/S ambiguity with hydrophone triplets are introduced. By processing experimental data, the theoretical analysis is verified. The processing algorithm is extended to broadband signal. The research results show that the method based on optimum beamforming with triplets can be used to remove the port/starboard ambiguity. Also because of the simplicity of the method, it is expected to be implemented in practical towed line array sonar. The theoretical analysis and experimental research on Port/Starboard (P/S) discrimination in towed line array are proposed. Two methods resolving the P/S ambiguity with hydrophone triplets are introduced. By processing experimental data, the theoretical analysis is verified. The processing algorithm is extended to broadband signal. The research results show that the method based on optimum beamforming with triplets can be used to remove the port/starboard ambiguity. Also because of the simplicity of the method, it is expected to be implemented in practical towed line array sonar.
出处 《Chinese Journal of Acoustics》 2001年第1期30-43,共14页 声学学报(英文版)
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参考文献4

  • 1Nielsen R O.Sonar signal processing[]..1991
  • 2Urick R J.Principles of underwater sound[]..1975
  • 3Jean Bertheas,Gilles Moresco,Philippe Dufourco.Linear hydrophonic antenna and electronicdevice to remove right/left ambiguity, associated with the antenna[]..1991
  • 4Van Trees H L.Detection, estimation, and modulation theory[]..1968

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