TV-signal receiver

例句：

1. 1.The TV signal receiver is the device that receives and processes signals from the television.
   电视信号接收器是接收和处理来自电视机的信号的设备。
2. 2. The TV signal receiver needs to be tuned to the correct channel for the signal to be received properly.
   电视信号接收器需要调谐到正确的频道，以便正确接收信号。
3. 3. The TV signal receiver is essential for watching live broadcasts on TV.
   电视信号接收器对于在电视上观看直播节目至关重要。