Ship wake detection technique based on constant false alarm processing in spatiotemporal domain

Zexin WANG; Chengpeng HAO; Jinyan LIU; Min WU; Jia LIU

doi:10.11990/jheu.202506017

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Ship wake detection technique based on constant false alarm processing in spatiotemporal domain

Research Article | 更新时间：2026-03-31

- Ship wake detection technique based on constant false alarm processing in spatiotemporal domain
- Journal of Harbin Engineering University Vol. 46, Issue 8, Pages: 1593-1600(2025)
- 作者机构：
  
  1.中国科学院声学研究所，北京 100190
  2.中国科学院大学，北京 100049
- 作者简介：
- 基金信息：
- DOI：10.11990/jheu.202506017
  CLC： P754
- Received：08 June 2025，
  
  Online First：24 June 2025，
  
  Published：05 August 2025
- 稿件说明：
移动端阅览
Zexin WANG, Chengpeng HAO, Jinyan LIU, et al. Ship wake detection technique based on constant false alarm processing in spatiotemporal domain[J]. Journal of Harbin Engineering University, 2025, 46(8): 1593-1600.
DOI：

Zexin WANG, Chengpeng HAO, Jinyan LIU, et al. Ship wake detection technique based on constant false alarm processing in spatiotemporal domain[J]. Journal of Harbin Engineering University, 2025, 46(8): 1593-1600. DOI： 10.11990/jheu.202506017.

摘要

针对舰船尾流检测中存在的水下环境复杂、探测目标形态未知等问题，本文提出一种基于时空域恒虚警处理的尾流检测算法。利用在多波束声呐输出的多帧二维声呐图像，结合舰船尾流气泡的空间连续和缓慢时变的特点，通过时空联合恒虚警检测算法检测舰船尾流；利用背景杂波强度上随机的特点，设计交并检测，融合多帧检测结果以抑制虚警概率。外场试验表明：所提出的时空联合恒虚警检测算法相较于现有恒虚警检测算法，可以在更低的虚警概率下，有效提高舰船尾流的检测概率。本文结论可以为舰船尾流检测提供一种思路。

Abstract

The present study proposes a spatiotemporal joint constant false alarm rate (STJ-CFAR) algorithm for wake detection as a solution to the challenges of ship wake detection under complex underwater conditions and unknown target morphologies. Multiframe 2D sonar images output from multibeam sonar

in conjunction with the spatial continuity and slow time-varying properties of ship wake bubbles

permit the detection of ship wakes by the STJ-CFAR detection algorithm. The probability of false alarms is minimized by leveraging the properties of background clutter random intensity

the configuration of intersecting and merging detection

and the combination of multiframe detection results. Field experiments demonstrate that

in comparison with the existing constant false alarm detection algorithms

the proposed STJ-CFAR detection algorithm can effectively enhance the detection probability of ship wake currents with a concomitant reduction in false alarm probability. This approach offers a novel methodology for the detection of ship wake currents.

关键词

Keywords

references

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