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Updated: Feb 10, 2026

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单一快照复杂的近似消息传递方法,用于在浅水中的主动声纳成像
Fanchang Zeng1,2, Lingji Xu1,2, Zhixi Li1,2
1School of Ocean Engineering and Technology, Sun Yat-sen University and Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519000, China.
The Journal of the Acoustical Society of America
|February 9, 2026
概括
这项研究引入了一种新的复杂近似信息传递 (CAMP) 算法,用于主动声纳成像. 与传统方法相比,CAMP通过减少声和提高图像分辨率显著改善了水下目标检测.
科学领域:
- 水下声学 水下声学
- 信号处理 信号处理
- 声纳成像 声纳成像
背景情况:
- 活跃的声纳成像对于水下目标检测至关重要,特别是在浅水.
- 海底和海面的反响会降低声纳系统中的图像质量.
- 传统的光束成型 (CBF) 在实现狭窄的主叶和低侧叶方面存在局限性.
研究的目的:
- 开发一种用于主动声纳成像的先进光束成形技术.
- 为了克服传统光束成型方法的性能限制.
- 改善图像质量和在具有挑战性的水下环境中检测目标.
主要方法:
- 作为一个单一的快照复杂值最小绝对收缩和选择操作员问题,重新制定了光束成型.
- 提出了复杂近似消息传递 (CAMP) 算法.
- 使用无声池进行实验验证和参数优化.
- 进行了单静态配置的湖泊试验,用于进一步测试.
主要成果:
- 在CAMP算法显示显著的成像性能比CBF显著提高.
- CAMP有效地抑制侧叶水平,提高图像分辨率.
- 该方法导致了更清洁的声纳图像,改善了背景干扰抑制.
- 使用无声池设置实现了CAMP值参数的优化.
结论:
- 拟议的CAMP算法为主动声纳成像提供了比传统光束成形更优质的替代方案.
- CAMP提高了计算效率和融合速度.
- 该方法在复杂的声学环境中显著提高了水下目标检测和跟踪能力.
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