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预警机足机载预警和控制系统(AWACA)飞机的简称,它集预警和指挥、控制、通信功能于一体,起到雷达站和空中指挥中心的作用,是现代战争中重要的武器装备。80年代以来,美国、以色列、瑞典、荷兰等国家为了增强预警机对目标、特别是隐射目标的探测能力,竞相研制第四代相控陈雷达预警机——用电扫描相控阵天线雷达取代机械扫描旋罩雷达,并成为预警机发展的大趋势。预计,到2020年左右,相控阵雷达预警机将大部分取代现役的第三代预警机,成为战场的“千只眼”、“顺风耳”。
It is an abbreviation for AWACS airplane, which integrates early warning and command, control and communication functions and plays the role of radar station and air command center. It is an important weapon in modern warfare. Since the 1980s, the United States, Israel, Sweden, the Netherlands and other countries have been racing to develop the fourth-generation phase-locked ChenRanda early-warning aircraft in order to enhance the capability of early warning aircraft to detect targets, especially hidden targets. Instead of using mechanical scanning phased-array antenna radars instead of mechanical Scanning the revolving radar and becoming the general trend of AWACS development. It is estimated that by 2020 or so, the phased array radar early warning aircraft will replace most of the active third generation early warning aircraft and become the battlefield's “one thousand eyes” and “downwind ears.”