radar

noun

1. 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

1. N-VAR 雷达;无线电定位装置
   Radar is 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。

1. At some stage he left the Artillery to command a radar unit.
   有段时间他离开了炮兵部队去指挥一支雷达小分队。
2. The airliner disappeared off their radar.
   那架班机从他们的雷达屏幕上消失了。
3. 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。
4. It was yet another case where the human eye outperformed radar.
   这是肉眼胜过雷达的又一事例。
5. 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。
6. 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。
7. The ship's radar scanned the sea ahead.
   船上的雷达扫描了前方的海域。
8. Our radar began tracking the jets
   我们的雷达开始追踪喷气式飞机的动向。
9. All modern vessels of any size are fitted with radar installations.
   所有现代化船只都有雷达装置。
10. 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。
11. 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。
12. Our radar has pinpointed the planes.
    我们的雷达确定了飞机的精确位置。
13. 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。
14. Radar is used for tracking planes and ships.
    雷达用来追踪飞机和船只。
15. The optical radar is one of the main equipments in shooting range test outside trajectory measurement system.
    光学雷达是靶场试验外弹道测量系统中的主要设备之一。
16. First, studied the concept and content of EW and Radar ECM;
    首先，对电子战及雷达对抗的概念和内容进行了分析研究；
17. We kept it under the radar.
    我们在雷达下面保持了它。
18. And in 1994 and 2000, NASA successfully orbited radar systems on the space shuttle.
    1994年和2000年，国家航空航天局利用航天飞机成功地将该雷达系统送入了轨道。
19. 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。
20. 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。
21. The true time delay technology for optically phased array radar using the delay characteristics of optical fiber is presented.
    着重介绍了利用光纤的延迟特性实现光控相控阵雷达的实时延迟技术。
22. 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。
23. 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。
24. 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；
25. Micro-Doppler provides a new way for radar target recognition while the translation velocity affects the extraction of micro-Doppler information.
    微多普勒为雷达目标识别提供了一种新的思路和方法，而目标的平动速度会影响微多普勒信息的提取。
26. 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。
27. 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。
28. 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。
29. The radar signal simulation is mainly used to simulate the signal of the target and its condition.
    雷达信号模拟主要是对雷达目标和环境回波信号的模拟。
30. 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。

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
  1. The issue of terrorism is back on the radar screen.
     恐怖主义问题重新受人关注。

noun

1. 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