在被动声纳系统中，线谱检测是一个至关重要的问题。
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。
A crucial issue in a passive sonar system is detection of the spectral lines.
本模型被用于被动声纳目标分类，取得了较好的效果。
Satisfactory results could be obtained by using the model proposed here to classify passive sonar targets.
螺旋桨轴频是被动声纳极其重要的目标识别特征之一。
The propeller shaft frequency is one of the important target recognition features for passive sonar.
目标噪声特征提取是被动声纳目标识别系统的关键技术。
Feature extraction of targets radiated-noise is the key technique of passive sonar target recognition system.
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。
Automatic recognition of underwater targets is one of the key techniques in modern passive sonar systems.
目标噪声特征提取和目标分类器设计是被动声纳目标识别系统的关键技术。
Feature extraction of targets radiated noise and design of targets classifier are key issues of passive sonar target recognition system.
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。
This paper focuses on the research of the de-noising of the passive sonar based on the wavelet.
文章对被动声纳目标识别的特征提取、特征选择和分类器设计方面进行了回顾。
The techniques of feature extraction, feature selection and design of classifier for passive sonar target recognition are reviewed.
基于提高被动声纳的检测能力，对水声信号的盲源分离技术进行了探索性研究。
To improve the detection performance of passive sonar, present dissertation addresses the blind separation of underwater acoustic signals.
根据被动声纳浮标搜潜的工作过程，对潜艇规避对被动声纳浮标作战效能的影响进行了研究。
According to the course of passive sonobuoy searching submarines, the influence of submarine evasion on combat effectiveness of passive sonobuoy was studied.
本文根据随机逼近原理提出了一种自适应卡尔曼滤波器，适用于被动声纳对水下噪声源的跟踪。
A self-adapting Kalman Filter based on the principle of stochastic approximatation is introduced in the paper. This filter provides an ideal means for the tracking of underwater noise source.
由于超增益阵具有尺度小、空间增益高的特点，对于改进低频被动声纳的检测性能具有重要的意义。
Therefore, supergain hydrophone array, particularly the small-sized circular array, is very good for improving the detection performance of low frequency passive sonar.
本文结合工程项目的需要，介绍了在设计被动声纳显示平台中所使用的信号检测技术和显示处理技术。
Supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console.
被动声纳观察目标一般只提供目标的方位，基于声纳方位解算目标要素的传统方法是纯方位解要素法。
Only target bearings could be obtained from passive sonar in general, the typical method used to determine target motion parameters is the"n-bearings"method.
利用被动声纳目标辐射噪声特征主要集中在低频部分的特点，结合听觉系统识别声音信号的原理，提出了一种被动声纳目标临界频带频谱能量的特征提取方法。
By studying the principle of hearing system in identification of sound signal, a method of feature extraction for passive sonar target based on critical band spectrum energy is proposed.
当应用到军事潜艇上时，它具有被动的声纳所不具备的优势。
In the case of military submarines they would have the advantage over sonar of being passive.
被动测向声纳中的波达方向估计研究具有重要的现实意义。
The research of DOA estimation in passive direction-finding sonar has important practice significance.
本文针对无源声纳对运动声源的被动定位跟踪中的病态问题，提出一种基于线性估计、可减轻病态的新方法。
To solve the problem of the ill-condition in locating and tracking a moving source using passive measurements, a new method based on linear estimation is presented in this paper, the.
仿真结果表明该模型可行，能对被动式声纳浮标搜潜的目标定位提供算法依据。
The results of simulation suggest that this model is feasible and it can provide some reference to target-location algorithms for passive sonar-buoy to search submarines.
本系统由四个等深度的声纳浮标组成，可以以被动方式探测水下目标，并对目标进行定位。
The passive location system consisting of four buoys with the same depth can detect the targets passively and get the locations of the targets.
被动测距声纳系统是利用换能器基阵接收的目标辐射（噪声）信号来估计目标距离。
The system of passive ranging SONAR makes use of the target noise received by the equipment which converts energy from one form to another to estimate the target distance.
利用有一定间距的两部声纳基阵提供的目标方位和时延差的信息，实现对目标的被动测距。建立了测距物理模型，给出了后置距离滤波算法。
In this paper, we introduce passive ranging of target based on the bearings and time-delay information of dual arrays and filtering algorithm of ranging.
利用有一定间距的两部声纳基阵提供的目标方位和时延差的信息，实现对目标的被动测距。建立了测距物理模型，给出了后置距离滤波算法。
In this paper, we introduce passive ranging of target based on the bearings and time-delay information of dual arrays and filtering algorithm of ranging.
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