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radar

听听怎么读
英 [ˈreɪdɑ:(r)]
美 [ˈredɑr]
是什么意思
  • n.

    雷达;雷达装置;无线电探测器;

  • 变形

    复数:radars

    双语释义

    n.(名词)
    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

    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.)
    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。

    权威例句

    Radar Handbook
    MIMO radar: an idea whose time has come
    Introduction to Radar Systems
    MIMO Radar with Widely Separated Antennas
    Introduction to radar systems /
    The Shuttle Radar Topography Mission
    The Shuttle Radar Topography Mission
    RADAR: an in-building RF-based user location and tracking system
    A review of target decomposition theorems in radar polarimetry
    The digital processing of Seasat synthetic aperture radar data