片语

passive sonar display被动声纳显示

passive bearing sonar被动测向声纳

passive ranging sonar被动式测距声纳的发展状况

Passive synthetic aperture sonar被动合成孔径声吶

passive sonar early warning被动声纳预警

submarine passive sonar潜艇被动声纳

passive sonar detection被动式声纳侦测

passive sonar system无源声吶

passive sonar for ranging被动噪声测距声吶

英汉例句

• reducing the self noise of submarines can effectively increase passive sonar range in the sonar platforms.

  降低测量平台处本艇自噪声能够有效地提高被动声纳设备作用距离。

• in the vector sensor array based passive sonar system, it is necessary to track multiple targets automatically.

  在矢量阵被动声吶系统中，需要对多目标进行自动跟蹤。

• 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。

• supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console.

  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。

• the techniques of feature extraction, feature selection and design of classifier for passive sonar target recognition are reviewed.

  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。

• 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.

  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。

• based on the research of passive sonar buoy-array deployed by anti-submarine patrol aircraft, this paper sets up a model for square type deployment.

  声纳浮标具有体积小、布放灵活等诸多优点，是水声研究和工程应用领域不可或缺的工具。

• 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。

• 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。

• in order to track underwater short-distance target, the method based on the combination of passive sonar and extended kalman filter was proposed.

  为跟蹤水下近距目标，设计采用被动声纳平台获得目标的方位数据，用扩展卡尔曼滤波算法对测量数据进行目标运动分析来实现。

• 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。

• 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。

• 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。

• 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。

• 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。

• 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.

  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。

• the research results can be applied to the passive sonar target recognition.

  研究结果可以用于被动声吶目标识别。

• this paper focuses on the research of the system structure of the synthetic environment of the passive sonar and the modeling and simulation test of the underwater sound synthetic signal.

  以水中运动目标为例，给出了水声环境下，合成信号、环境噪声、海洋声学的数学模型和合成环境系统仿真实验。

• feature extraction of targets radiated noise and design of targets classifier are key issues of passive sonar target recognition system.

  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。

• first the paper explains the principle and physical basement of passive sonar direction and the reason that will lower the precision.

  论文阐述了被动声纳测向原理及物理基础，并分析了影响测向精度的主要因素。

• feature extraction of targets radiated noise and design of targets classifier are key technique of passive sonar target recognition system.

  目标噪声特征提取和目标分类器设计是被动声吶目标识别系统的关键技术。

• the targets classifier is a key element in passive sonar target recognition systems.

  被动声吶目标识别系统中目标分类器的设计和训练是一项重要内容。