| 李玉阳,李锐,李遥.某型蛙人运载器辐射噪声测量与特征分析[J].声学技术,2023,42(6):726~732 |
| 某型蛙人运载器辐射噪声测量与特征分析 |
| Measurement and characteristic analysis of the radiated noise of frogman vehicle |
| 投稿时间：2022-02-23 修订日期：2022-07-25 |
| DOI：10.16300/j.cnki.1000-3630.2023.06.004 |
| 中文关键词: 蛙人运载器 辐射噪声 实验测量 特征分析 |
| 英文关键词: frogman vehicle radiated noise test measurement characteristic analysis |
| 基金项目: |
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| 中文摘要: |
| 蛙人是港口和水下设施的重要威胁，蛙人运载器产生的辐射噪声是对依靠运载器执行任务的水下蛙人实施警戒探测的重要依据，目前利用声学系统被动探测是发现水下蛙人的有效手段之一。文章针对某型蛙人运载器的实际探测问题设计了声学测量实验，实验包括消声水池测量和海上测量两部分，目的是获取蛙人运载器的有效声学特征，包括声源级、指向性、功率谱、LOFAR谱和DEMON谱等，获得有效的轴频、叶频及其各次谐波簇。在实验测量的基础上，系统分析了某型蛙人运载器辐射噪声的典型时频变化特征，为水下蛙人运载器的警戒探测提供实测数据支撑。 |
| 英文摘要: |
| The frogman is a serious threat to ports and underwater facilities. Radiation noise generated by the frogman vehicle is an important basis for the passive sonar detection of underwater frogmen. In this paper, the acoustic tests of frogman vehicle, including anechoic pool test and sea test, are designed. The purpose is to obtain the noise characteristic data radiated by the frogman vehicle, such as sound source level, directivity, power spectrum, LOFAR spectrum and DEMON spectrum, which provides an actual data support for the warning detection of underwater frogman vehicle. |
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