一个联合的人工和语义特征空间混合,用于基于深度模型的被动水下声学多目标识别
Ziyuan Xiao1,2, Zihao Guo1,2, Yina Han1,2
1School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an 710072, China.
The Journal of the Acoustical Society of America
|September 23, 2025
概括
这项研究引入了一种新的混合方法,用于水下声学多目标识别,增强深度学习模型. 该方法有效地解决重叠的声纳信号和复杂的海洋环境,提高目标识别准确性,但数据有限.
科学领域:
- 水下声学 水下声学
- 信号处理 信号处理
- 机器学习 机器学习
背景情况:
- 被动声纳的局限性导致信号重叠,造成多目标识别挑战.
- 海洋声学复杂性导致了显著的类内多样性和分布转移,特别是有限的数据.
- 水下通道中的非线性相互作用进一步复杂化了多目标辐射噪声分析.
研究的目的:
- 提出一种联合的人工和语义特征空间混合方法,用于水下声学多目标识别.
- 通过使用有限的数据,增强目标多样性的深度网络学习.
- 在复杂的声学环境中减轻分布转移和非线性相互作用.
主要方法:
- 在原始信号,人工特征 (光谱图) 和语义特征空间中应用了一种新的混合策略.
- 多目标数据在不同的特征空间中构建,以指导深度网络学习.
- 理论证明验证了该方法在处理分布转移和非线性相互作用方面的合理性.
主要成果:
- 拟议的联合特征空间混合方法证明了一致的有效性.
- 该方法有效地引导深度网络从有限的数据集中学习目标多样性.
- 实验结果证实了该方法在不同深度模型和人工特征中的稳定性.
结论:
- 联合的人工和语义特征空间混合是水下声学多目标识别的有希望的方法.
- 这种方法有效地解决了信号重叠,环境复杂性和数据限制所带来的挑战.
- 该技术为提高水下目标识别系统的准确性和稳定性提供了可行的解决方案.
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