passive sonar

In this dissertation, we study a supergain 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.

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

Target recognition algorithm for passive sonar system with high Generalization Ability

具有高泛化性能的无源声呐目标识别算法

Research on Technique of Passive Sonar Target Recognition Based on Line Spectrum Feature Extraction

基于线谱特征提取的被动声纳目标识技术研究

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。

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.

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.

In order to extract multiple tracks from passive sonar's dynamic bearing time history display, the method takes four steps related with digital image processing: noise reduction, distinguished bearing point recognition, bearing time tracks extension and non-target tracks removal.

通过对无源声呐的动态方位历程显示进行图像降噪、亮点提取、历程扩展和非目标历程剔除四个步骤的数字图像处理，实现多目标方位历程的自动、实时提取。

Passive sonar technology is applied in the fishery detector system for the first time as well.

同时系统在几个方面都具有创新,首次在渔探仪中使用了新型矢量水听器.

The paper is on improving the direction model of Passive SONAR.

论文研究的主要内容是改进和实现被动声纳的测向模块.

Therefore , Passive SONAR SONARsubmarine . The traditional SONARs are consisted of middle or small scale Integrated circuit.

传统被动声呐系统多半采用中小规模集成电路,体积较大,硬件处理能力低.

Development of a Kind of Active and Passive Sonar Target Echo Signal Simulator

一种主/被动声呐目标回波信号模拟器的研制