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反电磁波辐射导弹是以目标辐射源辐射的电磁波为制导信息的,它攻击的对象是工作着的各种雷达和各种有源干扰设施。为完成它的战术使命,其被动雷达寻的导引头必须具有高灵敏度、大动态范围、快速自动增益控制的能力;应能截获跟踪各种形式的电磁波辐射源辐射的信号;要有足够的威力空域和对单一目标的分辨力;有抗异部发射源和多路径折射信号的干扰的能力;要有足够的频带宽度;避免副瓣跟踪;具有抗目标关机的能力。
Anti-electromagnetic radiation missiles are based on the guidance of electromagnetic waves radiated by a target radiation source. They attack various kinds of radars and various active interference facilities that are in operation. In order to fulfill its tactical mission, the seeker of passive radar seeker must have high sensitivity, large dynamic range and fast automatic gain control capability. It should be capable of intercepting and tracking signals radiated by various forms of electromagnetic radiation sources. There should be enough Power airspace and resolution of a single target; the ability to interfere with heterodyne transmitters and multipath refracted signals; adequate frequency bandwidth; avoid side-lobe tracking; ability to target shut down.