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- submarine passive sonar 潜艇被动声纳
- submarine passive fire control sonar 潜艇被动火力控制声纳
- In this dissertation, we study a supergain hydrophone array to improve the detection performance of passive sonar. 本文从提高被动声呐的检测性能出发，提出了超增益阵的设计。
- This paper focuses on the research of the de-noising of the passive sonar based on the wavelet. 基于小波的降噪理论,研究了水下舰船辐射噪声的被动声纳降噪问题。
- Targets captured by passive sonar are currently the radiant noises of ships or torpedoes. 被动声纳捕捉的目标一般是船舶或鱼雷的辐射噪声。
- Therefore, how to use passive SONAR to check signal and estimate the parameters of aim become a active theme in the underwater acoustic domain. 因此，如何利用被动声纳进行目标检测以及估计目标参数成为水声信号处理领域内非常活跃的一个课题。
- Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system. 线谱是水中目标辐射噪声中重要的特征信息,在被动声呐系统中,线谱提取是水中目标识别的关键技术。
- In underwater acoustic field, triple arrays for ranging, target motion analysis (TMA), match field processing (MFP) are three main methods for passive sonar ranging. 在水声领域,三元子阵测距、目标运动分析(TMA)和匹配场处理(MFP)是被动噪声测距的3种主要技术。
- It is shown that better de-noising effect are achieved by using the wavelet package soft threshold method.These methods have a significant foreground in de-noising of passive sonar. 该研究在分析对比的基础上进行小波包软阈值去噪取得了较好的效果，对被动声纳降噪提供了较好的应用前景。
- submarine passive detection and tracking set 潜艇被动探测与跟踪设备
- Review on passive sonar target recognition 被动声纳目标识别技术的现状与发展
- Passive sonar target recognition 被动声纳目标识别
- They are building a submarine cable tunnel. 他们正在建设一条海底电缆隧道。
- This destroyer can overrun any submarine. 这艘驱逐舰的速度比任何潜水艇都快。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- Simulation of Detection Range Forecast for Passive Sonar 被动声纳作用距离预报的仿真研究
- The ship was sunk by an atomic submarine. 这艘船是被一艘核潜艇击沉的。
- Passive Sonar Target Track Association Based on Bispectrum Feature 基于双谱特征的被动声纳目标航迹关联
- Peak energy detection with application to passive sonar display 峰值能量检测及其在被动声纳显示中的应用
- The submarine rose to the surface. 潜艇露出了水面。
