radar

听听怎么读

英 [ˈreɪdɑ:(r)]

美 [ˈredɑr]

是什么意思

雷达；雷达装置；无线电探测器；

变形

复数：radars

双语释义

n.(名词)

[U]雷达a method of finding the position of solid objects by receiving and measuring the speed of radio waves returning from them
[U]雷达装置equipment used for this

英英释义

radar[ 'reidə ]

n.measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects
同义词：microwave radarradio detection and rangingradiolocation

学习怎么用

词汇搭配

用作名词 (n.)

形容词+～

early-warning radar预警雷达
marine radar船用雷达

～+名词

radar beacon〔bombing, control, installation〕雷达信标〔轰炸,控制,装置〕
radar fence〔scope, screen〕雷达警戒网〔显示器,荧光屏〕

介词+～

by〔on〕 radar用雷达

词组短语

radar cross section雷达截面，雷达目标有效截面

phased array radar相控阵雷达

weather radar天气雷达

radar echo雷达回波

doppler radar多普勒雷达

radar image雷达影像

radar detection雷达侦测

imaging radar成像雷达；测绘雷达

radar transmitter雷达发射器

under the radar在雷达下；低调神秘

radar screen雷达防线，雷达网

radar tracking雷达跟踪

surveillance radar监视雷达

tracking radar跟踪雷达；追踪雷达

radar receiver[电子学]雷达接收器

radar altimeter雷达高度计

radar beam雷达射束

coherent radar相干雷达；同调雷达

marine radar航海雷达

更多收起词组短语

双语例句

用作名词(n.)

There are enemy aircraft on the radar screen.
雷达萤屏上出现了敌人的飞机。
They plotted aircraft movements by radar.
他们借雷达标示飞机的动向。

权威例句

Radar HandbookMIMO radar: an idea whose time has comeIntroduction to Radar SystemsMIMO Radar with Widely Separated AntennasIntroduction to radar systems /The Shuttle Radar Topography MissionThe Shuttle Radar Topography MissionRADAR: an in-building RF-based user location and tracking systemA review of target decomposition theorems in radar polarimetryThe digital processing of Seasat synthetic aperture radar data