This wristwatch-style receiver gives solidiers an aerial view of the battlefield with video beamed directly from drones at 30 frames per second.
这款手表样式的接收器可以使士兵们直接接收到来自无人机拍摄的战场鸟瞰影像，其帧率高达30帧每秒。
2
The antenna (known as the "aerial" in some countries) is the first component in the receiver RF-signal chain and the last one in the transmitter chain.
所述天线(称为在一些国家的“天线”)是在接收机RF信号链中的第一组分和最后一个所述发射机链中。
3
With a fixed aerial at home this isn't too bad, but it could be awkward for a portable receiver where the aerial is constantly being moved around.