An Incoming Torpedo Warning System Based on Ship Early Underwater Defense
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摘要: 基于舰艇水下先期防御作战的威胁信息获取需要, 从探测距离、工作频段、作用空间、信号识别、自动化程度和时间连续性等方面分析了鱼雷报警系统的战技指标要求, 从先验信息、初始噪声、航行噪声、主动声自导信号和目标信号分类等方面阐述了鱼雷报警的信息来源及信号特征提取, 以多基元集束式被动拖曳线列阵声纳为对象探讨了鱼雷报警系统的基本原理、设计要点与关键技术, 为优化对抗条件下的鱼雷设计提供依据。Abstract: According to the requirement of threat information acquisition for ship early underwater defense, this paper analyzes the tactic and technical indexes of incoming torpedo warning system, including the detection range, working band, action space, signal recognition, automation and time continuity, explains the information sources and the signal characteristics extraction of the incoming torpedo warning system in terms of the prior information, initial noise, sail noise, active acoustic homing signal and target signal classification. Furthermore, this paper also discusses the basic principles, design features, and key technologies of the incoming torpedo warning system in the case of passive towed linear cluster-type multi-element array sonar. This study may provide reference for torpedo design optimization under countermeasure condition.
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Key words:
- incoming torpedo /
- underwater defense /
- warning system /
- towed sonar /
- signal characteristics /
- target classifi-cation
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