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

• The radar chart method is improved and applied to the synthetic evaluation of power quality.
  对雷达图法进行了改进，并应用于电能质量的综合评估中。
• 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。
• Firstly, the continuous value information system to radar jamming effect evaluating is presented.
  首先，构建了雷达干扰效果评估的连续值型信息系统。
• 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。
• 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 US crew fixed its radar on the Turkish ship
  美国船员将雷达对准那艘土耳其船。
• Sonar, radar, cameras, and other observation platforms acquire the data.
  声纳、雷达、照相机和其他观测平台便可以获得这些数据。
• This paper analyzed the radar recognition ability of two kinds of air targets, i.e.helicopter and fixed-wing aircraft.
  分析了雷达对直升机和固定翼飞机这两类空中目标的识别能力。
• All modern vessels of any size are fitted with radar installations.
  所有现代化船只都有雷达装置。
• Design of a digital signal processor for pulsed Doppler radar;
  提出了一种脉冲多普勒雷达数字信号处理机机内测试方法。