envelope demodulation circuit

例句：

1. 1.The envelope demodulation circuit is responsible for converting the radio signal into usable data.
   信封调制解调器负责将无线电信号转换为可用的数据。
2. 2.The engineer designed the envelope demodulation circuit to improve the efficiency of the system.
   工程师设计了信封调制解调器以提高系统的效率。
3. 3. The envelope demodulation circuit was used in the early days of satellite communication.
   信封调制解调器在卫星通信的早期阶段被使用。