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May 14, 2026The Journal of the Acoustical Society of America

Estimating launch and reception angles with a single source and a vertical receiver array

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Authors

DKDonghyeon KimGBGihoon ByunHSH. C. Song

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Overview

Randomized trial estimates launch and reception angles in underwater scenarios, indicating new measurement techniques.

Key Points

  • This study aims to develop a new method for estimating launch and reception angles using a single vertical receiver array and unknown sources.
  • Introduced an adaptation of double beamforming using a vertical receiver array and an unknown broadband source.
  • Formed Green's function matrix by extrapolating from the source to the vertical receiver array using waveguide invariant theory.
  • Validated the method experimentally with broadband noise from a passing ship in shallow water.
  • Estimated launch and reception angles closely matched model-based eigenray predictions.
  • Errors in angle estimation were less than 1° during validation with experimental data.

Cite This Study

Kim et al. (2025) studied this question.

synapsesocial.com/papers/6a05685ca550a87e60a20e97https://doi.org/10.1121/10.0040480
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