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May 16, 2026PLoS ONEOpen Access

Vector characteristics of the sound field based on a single vector hydrophone

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Authors

CWChao WangSJShuyang JiaYZYanhou Zhang

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Overview

Randomized trial analyzes sound field characteristics for target detection in ocean environments, suggesting improved methods.

Key Points

  • The research aims to establish a foundation for using vector characteristics of the acoustic field in target detection and recognition.
  • Analyzed the coherence function, energy component proportion, and phase spectrum of signals from a single vector hydrophone.
  • Conducted simulations and tests in an anechoic pool and sea environments to evaluate performance under background noise.
  • Measured signal-to-noise ratio during detection to assess improvements.
  • The total coherence function of the sound field was approximately 0.5 at a signal-to-noise ratio of −10 dB.
  • Coherence spectrum detection improved the signal-to-noise ratio by about 8 dB.
  • Interference patterns of moving targets were evident across the overall coherence function and spectra.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/6a080985a487c87a6a40b705https://doi.org/10.1371/journal.pone.0344333
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