查询词典 sonar

The sound velocity is one of the most important acoustic parameter in ocean sonar.

声速是海洋声呐测量中最重要的声学参数之一。

Our sonar is a special gift that allows us to support Earth in a magnificent manner.

我们的声纳是一份特殊的天赋，让我们以杰出的方式支持地球。

A device used to automatically follow a sonar signal to which it is assigned.

一个自动跟随分配的声纳信号的设备。

On the foundation of introducing respective application of dipping sonar and sonobuoy in answering the call to anti-submarine,a new searching tactic is advanced and proved in theory that the tactic has more advantages.

在介绍吊放声纳与声纳浮标各自在应召搜潜中的运用的基础上，针对两者在单独使用上的不足提出了一种新的搜潜策略，并从理论上说明了这种新的搜潜策略具有一定的优势。

The thermocline is important to the sonar detection.

温跃层对声纳探测有着重要的影响。

In signal processing of sonar and radar, we meet a class of nonlinear systems with alterable dimensions, and every equation in the system is a mixed trigonometric polynomial.

在声纳和雷达信号处理中，需要求解一类维数可变的非线性方程组，这类方程组具有混合三角多项式方程组形式。

Clear Mode uses Time Variable Gain software to sift through sonar returns to display only fish and structure.

Clear Mode模式拥有滤过软件设计的可以通过声纳回声在你的屏幕上只显示鱼群和水下地况。

The phylogeny and applied prospect of MES are summarized in the paper. The principle of this system is analyzed from the point of view of acoustics. The surveying and filtering technology of auxiliary parameters, sounding data and the theory of image form, backscatter strength data processing, are researched deeply in the paper. The optimal model of velocity of sound is given. For sound ray tracing, some methods of correction of sound ray curve are developed. At the same time, an ideal model of sound ray tracing is proved and given. The GPS technology is applied for the determination of tide, attitude of vessel. Moreover, some methods are given. As an important topic, the systematic error is discussed in the paper. Some filtering methods are researched in this paper. Based on the current methods of image processing, the procedure and methods are tested and given that adapt to sonar image processing.

本文研究的工作是在总结多波束声纳测深系统的发展历史、应用前景的基础上，从声学角度分析了多波束系统的工作原理；对多波束辅助参数的测定和滤波方法、测深数据的滤波方法、多波束声纳图像的形成机理、图像处理以及最终应用等作了比较深入的研究；得出了适合于多波束精密深度计算的最优声速模型和声线改正模型；提出了 GPS 载波相位定位技术用于多波束辅助参数测量的思想、算法，改善了多波束系统的作业模式；系统地分析了深度数据的误差来源和类型，首次将系统误差作为影响测深精度的主要因素给以研究，并给出了削弱系统误差的方法，提高了深度数据的质量；对多波束声纳图像的形成、处理方法进行了细致的研究，给出了适合多波束图像处理的算法和流程，并从理论和实践上对声纳图像的应用进行了比较全面的研究。

The contents of this paper include design of high frequency imaging system, processing and visual display technology of sonar image, etc.

本论文的研究内容包括高频声成像系统的设计，声纳图像的处理及显示等。

Can be a long time in the vicinity of the enemy's territorial waters or on the high seas cruising and roaming, and the enemy coast, combat ships and other targets in the sea and electronic surveillance: Receive and record enemy radio communications, radar and weapons control systems, electromagnetic waves emitted signal, these electronic devices to identify the tactical and technical performance; the identification of radio, radar and sonar station location and distribution system, identify the relationship between its command ; listening phones, intercepted and deciphered wireless telegraphy; tracking and monitoring ships and other marine activities.

能够长时间地在敌方领海附近或公海上游弋和漂泊，对敌沿海地区、作战海域和舰船等目标实施电子侦察：接收并记录敌方无线电通信、雷达和武器控制系统等发出的电磁波信号，查明这些电子设备的战术技术性能；查明无线电台、雷达站和声纳站的位置和配系，判明其指挥关系；侦听无线电话，截获并破译无线电报；跟踪监视海上活动的舰船等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。