carrier-frequency coupling device

例句：

1. 1. The carrier-frequency coupling device is used to detectthe presence of a signal in a wirelesscommunication system.
   载频耦合装置用于检测无线通信系统中信号的存在。
2. 2. The carrier-frequency coupling device wasdeveloped to improve the efficiency ofwireless transmission.
   载频耦合装置被开发出来以提高无线传输的效率。
3. 3. The carrier-frequency coupling device is essential for maintaining thestability of the wireless network.
   载频耦合装置对于保持无线网络的稳定性至关重要。