1·The research results can be applied to the passive sonar target recognition.
研究结果可以用于被动声呐目标识别。
2·A crucial issue in a passive sonar system is detection of the spectral lines.
在被动声纳系统中，线谱检测是一个至关重要的问题。
3·Detections of the spectral lines is an important issue in the passive sonar system.
在被动声纳系统中，线谱检测是一个至关重要的问题。
4·This paper focuses on the research of the de-noising of the passive sonar based on the wavelet.
基于对反潜巡逻机布放被动声纳浮标阵的研究，对方形阵的布放建立了模型。
5·The propeller shaft frequency is one of the important target recognition features for passive sonar.
螺旋桨轴频是被动声纳极其重要的目标识别特征之一。
6·Automatic recognition of underwater targets is one of the key techniques in modern passive sonar systems.
在现代被动声纳系统中，水下目标的自动识别是关键技术之一。
7·Satisfactory results could be obtained by using the model proposed here to classify passive sonar targets.
本模型被用于被动声纳目标分类，取得了较好的效果。
8·The traditional method of Kalman filter for passive sonar target track association is limited in practice.
传统的目标航迹关联方法卡尔曼滤波法在实际应用时有局限性。
9·The experimental result confirms that this method is more effective in passive sonar target classification.
实验结果证明了该方法是有效的。
10·Feature extraction of targets radiated-noise is the key technique of passive sonar target recognition system.
目标噪声特征提取是被动声纳目标识别系统的关键技术。