demodulator oscillator

例句：

1. 1. The demodulator was designed to filter out interference from the radio signal.
   解调器被设计用来从无线电信号中过滤掉干扰。
2. 2. The modem is responsible for converting digital signals into analog signals for transmission.
   调制解调器负责将数字信号转换为模拟信号以进行传输。
3. 3. The modulator is used in various applications such as television broadcasting and satellite communication.
   调制解调器在电视广播和卫星通信等应用中被使用。