radar van雷达车厢radarn.雷达Radar Environment Simulator System雷达环境模拟系统radar signal frequency measurement雷达信号频率侦测Radar specific emitter recognition雷达辐射源识别radar navigation by map-matching地图匹配式雷达导航radar amplitude-frequency tester雷达幅频特性测试仪radar orbital rendezvous apparatus轨道会合雷达设备radar counter-countermeasurement雷达反干扰Radar Homing Guidance Investigationradar geographic information system雷达地理信息系统Radar Beacon Forward Air Controller前进空中管制官雷达信标

1. This paper introduces a data acquisition method of Dopler radar that is based on software radio method.
   提出了一种基于软件无线电思想的测速雷达信号采集方法。
2. German scientists quickly developed an instrument which picked up the radar signal and gave the V-boat warning.
   德国科学家很快造出了一种能测知雷达信号并给潜艇发出警报的仪器。