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China Ocean Engineering

, Volume 30, Issue 4, pp 591–601 | Cite as

Model of shipping noise in the deep water: Directional density and spatial coherence functions

  • Peng Xiao (肖 鹏)
  • Kun-de Yang (杨坤德)Email author
  • Bo Lei (雷 波)
Article

Abstract

The shipping noise properties in the deep ocean are studied. Shipping noise exhibits the strong dual-horned directionality features in the flat-seabed ocean, and its directional density can be modeled by a Von Mises distribution. With the explicit expression for the directional density function, the spatial coherence functions of shipping noise are also derived, and the relative features are studied. The research result shows that the properties of shipping noise are different from the ambient noise of other sources, and it can be used for the sonar array design. The model is well matched with the experimental result, and it can be extended to the situations when the ambient noise exhibits the dual-horned structure.

Key words

shipping noise dual-horned structure Von Mises distribution directional density spatial coherence 

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Copyright information

© Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Peng Xiao (肖 鹏)
    • 1
    • 2
  • Kun-de Yang (杨坤德)
    • 1
    • 2
    Email author
  • Bo Lei (雷 波)
    • 1
    • 2
  1. 1.Key Laboratory of Ocean Acoustics and SensingNorthwestern Polytechnical University, Ministry of Industry and Information TechnologyXi’anChina
  2. 2.School of Marine science and technologyNorthwestern Polytechnical University, Ministry of Industry and Information TechnologyXi’anChina

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