为准确分析舰船声隐身性能的优劣，针对舰船噪声频带级限值线的平折线模型和三点参数模型，推导了在不同噪声控制点参数条件下舰船总声级的频域表达式，以此为基础对舰船噪声源级进行了定量计算，通过数值仿真给出了舰船噪声水平与噪声控制点谱级、控制频点之间的变化规律，并从水声探测的角度出发，研究了舰船噪声频带级限值线模型、声呐品质因素和声呐探测距离之间的依赖关系，分析评价了舰船噪声频带级限值线模型的声隐身性能，以期为舰船的噪声控制方案设计与改进提供依据。
To accurately analyze the quality of ship acoustic stealth performance, aimed at horizontally folded line model and three-point parametric model of limit value curve of ship noise frequency band level, the frequency domain expression of ship noise total sound level is derived under the condition of different noise control point parameters. Based on above, the quantitative calculation of ship noise sound source level is carried out, and the variation relations among ship noise level, noise control point spectral level and control frequency point are revealed through numerical simulation. Meanwhile the dependency relations among limit value curve model of ship noise frequency band level, sonar quality factor and detection range are researched from the perspective of underwater acoustic detection, and the acoustic stealth performance of limit value curve model of ship noise frequency band level is analyzed and evaluated, which could provide guidance for the scheme design and improvement of ship noise control.
2025,47(2): 145-151 收稿日期：2024-1-14
DOI：10.3404/j.issn.1672-7649.2025.02.024
分类号：U662；TB535
基金项目：国防重点实验室基金资助项目（6142214040504）
作者简介：胡鹏涛（1980 – ），男，博士，高级工程师，研究方向为舰船噪声测试与分析
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