radar

英 [ˈreɪdɑː(r)]

美 [ˈreɪdɑːr]

n.  雷达

复数：radars　

CET4CET6考研TOEFLIELTSTEM4TEM8计算机

Collins.2 / BNC.7112 / COCA.4780

习惯用语

n.

on/off the radar screen
• 受 / 不受人关注
  used to say that people's attention is on or not on sth
• The issue of terrorism is back on the radar screen.
  恐怖主义问题重新受人关注。

牛津词典

noun

• 雷达
  a system that uses radio waves to find the position and movement of objects, for example planes and ships, when they cannot be seen
  1. They located the ship by radar.
     他们通过雷达确定了船只的位置。
  2. a radar screen
     雷达显示屏

柯林斯词典

• N-VAR 雷达;无线电定位装置
  Radaris a way of discovering the position or speed of objects such as aircraft or ships when they cannot be seen, by using radio signals.
  1. Pilots complained that the radars in the Mirages malfunctioned during conditions of high humidity...
     飞行员抱怨说在高湿度条件下，“幻影”战斗机上的雷达出现了故障。
  2. The aircraft was on a flight from Milan when it disappeared from radar screens.
     飞机是在从米兰出发的飞行途中从雷达屏上消失的。

英英释义

noun

• measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
  Synonym:microwave radarradio detection and rangingradiolocation

双语例句

• This paper has summed up the development and new application of ground-searching radar in recent years.
  作者对近年来探地雷达的技术发展及新的应用研究进行了概括和总结。
• The planes are fitted with a device that absorbs enemy radar signals.
  飞机上安装了一个吸收敌方雷达信号的装置。
• It was yet another case where the human eye outperformed radar.
  这是肉眼胜过雷达的又一事例。
• But a thorough study of electricity in the atmosphere was not possible until the development of radio and radar.
  但对大气中电的全面研究直到研制出无线电和雷达之后才成为可能。
• This paper describes in details some typical artillery locating radars worldwide and analyzes the trend of this radar.
  文章比较详细地介绍了国外几种典型的火炮定位雷达，并且分析研究了火炮定位雷达的发展趋势。
• Radar is used for tracking planes and ships.
  雷达用来追踪飞机和船只。
• Aircraft now move across a controller's green radar screen as a blip of light.
  飞机现在像发光的信号一样在控制器的绿色雷达屏幕上移动。
• The jam principle is analyzed using the carrier-free UWB radar as the study object.
  以无载频超宽带雷达为研究对象，分析了该干扰新技术的机理。
• The US crew fixed its radar on the Turkish ship
  美国船员将雷达对准那艘土耳其船。
• Firstly, the signal model of coherent distributed targets for bistatic MIMO radar is established.
  建立了双基地MIMO雷达相干分布式目标信号模型；