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- They located the ship by radar.
他们通过雷达确定了船只的位置。 - a radar screen
雷达显示屏
- They located the ship by radar.
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.- 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。 - 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。
- Pilots complained that the radars in the Mirages malfunctioned during conditions of high humidity...
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
双语例句
- 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。 - 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。 - The airliner disappeared off their radar.
那架班机从他们的雷达屏幕上消失了。 - 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。 - 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。 - 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。 - Radar is used for tracking planes and ships.
雷达用来追踪飞机和船只。 - 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； - 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 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。