美国空军正在研制一种轻便的电子装置以保护地面搜索雷达免受雷达寻的导弹的攻击,这种装置叫ARM Alarm,即反辐射导弹警报传感器。它是一种小型雷达,其工作频率不同于搜索雷达的频率,并用电缆与搜索雷达相连接。当ARM Alarm 装置发觉敌人的雷达寻的导弹时,它关闭地面雷达从而使导弹不能确定目标的位置。空军电子系统司令部将对这种装 The U.S. Air Force is developing a lightweight electronic device to protect ground-based radars from radar-seeded missiles called ARM Alarm, an anti-radiation missile warning sensor. It is a small radar that operates at a different frequency than the frequency of the search radar and is cabled to the search radar. When the ARM Alarm detects an enemy radar seeker, it turns off the ground radar so that the missile can not determine the target’s position. Air Force Electronic Systems Command will be on this equipment