What question did this study set out to answer?

The study aims to enhance three-dimensional passive localization of submerged sources in deep-water environments.

March 21, 2026The Journal of the Acoustical Society of America

Three-dimensional passive source localization using a deep-water vector sensor vertical line array: A particle filtering-based track-before-detect method

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Authors

LZLi ZhangHarbin University of Science and Technology EFErzheng FangHarbin Engineering University SGShiyu GongHarbin Engineering University

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Implication

This work demonstrates a track-before-detect method to improve localization accuracy in deep-water scenarios, suggesting advancements in underwater detection technology.

Key Points

The study aims to enhance three-dimensional passive localization of submerged sources in deep-water environments.
Developed a track-before-detect framework to avoid measurement-to-track association issues.
Utilized a pre-generated interference-matched kernel function for enhanced azimuth-range-depth scanning.
Implemented multiple auxiliary particle filters for tracking and adaptive weight filtering for improved speed.
The algorithm showed high robustness under low signal-to-noise ratio and fluctuating environmental conditions.
Localization performance was validated through simulations across various complex deep-water scenarios.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69be35e66e48c4981c67464a https://doi.org/10.1121/10.0042991

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Implication

This work demonstrates a track-before-detect method to improve localization accuracy in deep-water scenarios, suggesting advancements in underwater detection technology.

Three-dimensional passive source localization using a deep-water vector sensor vertical line array: A particle filtering-based track-before-detect method

Discussion

Member takes

Implication

Key Points

Cite This Study

Three-dimensional passive source localization using a deep-water vector sensor vertical line array: A particle filtering-based track-before-detect method

Discussion

Member takes

Implication

Key Points

Cite This Study

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