2) sonar target signal
声呐目标信号
1.
The difficulty frequently encountered in classifying sonar target signals is that their features dimensions are too high and that their components are often interrelated.
声呐目标信号特征量的投影寻踪压缩与目标分类＊田铮①肖华勇②声呐目标信号所提取的特征量通常为高维特征量，并且各分量之间不独立。
3) passive sonar target recognition
被动声呐目标识别
1.
A method of passive sonar target recognition based on spectrum evaluation;
一种基于谱估计的被动声呐目标识别方法
4) sonar buoy
声呐浮标
1.
The sonar buoy testing system can emulate signal of underwater sound and detect the operating status and performance of sonar buoy.
声呐浮标测试系统能够模拟水下声信号,用以检测声呐浮标的工作状态和性能。
5) Sonobuoy
[英]['sɔnəbɔi] [美]['sɑnə,bui, -,bɔɪ]
声呐浮标
1.
The effect of target and environment character on detection scope of passive sonobuoy;
目标和环境特性对被动声呐浮标探测范围的影响
2.
A Study of Airborne Anti-submarine Sonobuoy Location;
在多种搜潜设备中，主动或被动声呐浮标是能够在较大范围水域布防搜潜的主要航空搜潜装备。
6) active sonobuoy
主动声呐浮标
1.
Mathematical models for target moving analysis through active sonobuoy;
主动声呐浮标目标运动分析数学模型
补充资料：呐呐
1.形容说话迟钝。 2.犹唯唯。 3.形容说话声音低沉或含混不清。
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参考词条