Bathymetric data is often collected from boats using sonar to take measurements of the sea floor.
水深的数据往往是从渔船采取使用声纳测量海底。

obtained the formula of sonar array spacetime correlation function of bathymetric sidescan sonar.
获得了测深侧扫声呐的声呐阵时空相关函数的表达式。

Studies on Beamforming and Beamspace High Resolution Bearing Estimation Techniques in Sonar Systems
声呐波束形成与波束域高分辨方位估计技术研究

The problem of time delay estimation with multipath transmissions arises often in many sonar systems.
多途时延估计问题经常出现在不同的声呐系统中。

Lower a submarine strongly from the bad voice, the work environment of the improvement submarine sonar.
大力降低潜艇自噪声，改善潜艇声纳的工作环境。

The use of motorboats, nets and fishing rods, and sonar equipment allows for overexploitation to occur.
使用汽艇，蚊帐和钓鱼竿，和声纳设备，可以过度发生。

Noise reduction for interferometric phase images in synthetic aperture sonar is addressed in this paper.
讨论了合成孔径声纳的干涉相位图降噪问题。

A Development of the echo sounder and the fishing sonar system with digital time correlative accumulation
自相关积累式回声测深仪和探鱼仪的研制

Underwater warfare by Sonar is a key topic and major type of the oceanic acoustic information engagement.
声纳水下作战使用是海洋声信息战的主要内容与形式。

Detecting submarine by means of dipping sonar is main mode of helicoptersearching and tracking submarine.
使用吊放声纳探测潜艇是直升机反潜的主要样式。

Feature extraction of targets radiatednoise 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。

To discriminate seabed property has been limited by merely differentiating sonar strength of sidescan sonar.
仅利用侧扫声纳影像强度，进行海床底质的判定有其限制。

This paper provides a concise and a uptodate survey about the implementation methods of TMA problem for sonar.
本文简练地回顾了声纳目标运动分析的实现方法。

At last the sonar array attitude stabilization system based on hardware and software was debugged successfully.
最后在硬软件设计得基础上对整个系统进行了调试。

The presented algorithm can be used to estimate multipath coefficients in radar, sonar and communication systems.
该算法可在雷达, 声纳及通信系统中用于多径系数估计。

Sound reflection sound shadow of high frequency imaging sonar detecting mine underwater was simulated with computer.
对高频图像声纳探测水雷的回波和声影进行计算机仿真。

Experimental Analysis of the Interference Caused by Sound Ray's Reflection and Refraction in the Bathymetric Sidescan Sonar
侧扫声纳声线反射和折射干扰的实验分析

The method presented in this paper has been applied in high resolution bathymetry sidescan sonar and good results are obtained.
本文的方法已应用于高分辨率测深侧扫声呐, 获得了好结果。

On the sonar repeater the visual display of the storm's turbulence appeared as sharp peaks and valleys representing movements of the shifting ice canopy.
声纳复示器上，流冰群的运动随风暴呈现出峰谷交替的状态。