radar

复数：radars

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

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

• 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〕

• by〔on〕 radar用雷达

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

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