X-band radar beacon

例句：

1. 1. The X-band radar beacon is used to detect the location of enemy aircraft in the airspace.
   X波段雷达信号灯用于探测空中敌机的位置。
2. 2. The military uses X-band radar beacons to communicate with each other over long distances.
   军事部门使用X波段雷达信号灯在长距离内相互通信。
3. 3. The X-band radar beacon was designed to provide early warning of missile attacks.
   X波段雷达信号灯被设计为提供导弹攻击的早期预警。