Sound propagation in two-axis underwater channel based on beam-displacement ray-mode theory

Lin Zhang; Lianglong Da; Xiaoting Lu

doi:10.1007/s00343-007-0300-9

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Sound propagation in two-axis underwater channel based on beam-displacement ray-mode theory

Updated：2023-05-16

- Sound propagation in two-axis underwater channel based on beam-displacement ray-mode theory
- Journal of Oceanology and Limnology Vol. 25, Issue 3, Pages: 300-303(2007)
- Affiliations：
  
  Underwater Acoustics Data Center Navy Submarine Academy
- Author bio：
- Funds：
- DOI：10.1007/s00343-007-0300-9
  CLC：
- Published：2007
- Accepted：
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Zhang, L., Da, L. & Lu, X. Sound propagation in two-axis underwater channel based on beam-displacement ray-mode theory., Chin. J. Ocean. Limnol. 25, 300–303 (2007). https://doi.org/10.1007/s00343-007-0300-9
DOI：

Zhang, L., Da, L. & Lu, X. Sound propagation in two-axis underwater channel based on beam-displacement ray-mode theory., Chin. J. Ocean. Limnol. 25, 300–303 (2007). https://doi.org/10.1007/s00343-007-0300-9 DOI：

摘要

Abstract

Sound propagation in a deep ocean two-axis underwater channel is often complex and difficult to simulate between surface channel and sound fixing and ranging (SOFAR) channel. The beam-displacement ray-mode (BDRM) theory is a normal mode method for propagation modeling in horizontally stratified shallow water. An improved method for computing the upper boundary reflection coefficient in the BDRM is proposed and applied to calculate the acoustic fields of a two-axis underwater channel. Transmission losses in the two-axis underwater channel are calculated in the new BDRM. The corresponding results are in good agreement with those from the Kraken code

and furthermore the computed speed of the new BDRM excels the other methods.

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references

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