spot beam antenna

例句：

1. 1.The new spot beam antenna is designed to improve signal reception in urban areas.
   新的点状波束天线被设计用来改善城市地区的信号接收。
2. 2. The engineers used a spot beam antenna to monitor the satellite's position.
   工程师们使用了一个点状波束天线来监测卫星的位置。
3. 3. The spot beam antenna was crucial for the successful communication between the two spacecraft.
   点状波束天线对于两个太空船之间的成功通信至关重要。