The whales need sonar to find food.

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.

Dolphins navigate by bouncing sonar waves off objects to determine location and distance.

海豚靠强大的声纳系统发出声波来确定物体的位置和距离.

Beamforming is an important technology in sonar signal processing.

波束形成是声纳信号处理中的一个重要组成部分.

Other dolphins use their own sonar, too , but they also rely on vision.

它的耳部由一块厚厚的脂肪层保护着, 可免受外界噪音的干扰.

Cavitation is noisy and easily detected by sonar.

空泡现象是有噪声的并且容易被声纳探测到.

It works in a similar way to a sonar unit on a warship or submarine.

声音从一个形状象双筒电筒样的超声电筒发射出去.

As a detecting device working underwater, the synthesize aperture sonar is fixed in the underwater carrier.

作为水下探测器的一种, 该系统的水下探测部分载体内承装的是合成孔径声纳系统.

In this paper, a new map building method sonar data is presented.

未知环境中移动机器人地图创建是自主移动机器人一项重要的基本功能.

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.

We picked up two submarines on sonar.

我们用声呐系统观察到两条潜水艇.

Active SONAR provides signal for enemy when ranging pulse and this is very dangerous for submarine.

被动声纳因隐蔽性好等优点而倍受关注,成为潜艇的主战声纳.

The scientists are inspired from the body of sea vein while improving sonar system.

科学家们在改进声纳系统的时候,从海脉的身上得到了启迪.

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.

Target motion analysis ( TMA ) is an important problem for sonar.

目标运动分析是声纳的一个重要问题.

The placeholder ^ 1 text of slide ^ 2 extends off the slide.

幻灯片^2中占位符^1的文本长度已经超出该幻灯片.

Show square image placeholder for blocked image with different color for different host.

为被拦截的图片显示方形占位符,以不同颜色区分不同域名.

Determines how placeholder members that should be hidden are identified.

确定如何标识应当隐藏的占位成员.

Do you want to change to a design that does not include a graphic placeholder?

是否改为不包括图形占位符的设计方案?

Note is a placeholder for a year.

注意是一个占位符,为一年.

If this sequence of tokens is empty, it is replaced by a placeholder token.

如果这个单词序列为空, 则替换为占位符单词.