television signal demodulation

例句：

1. 1.The television signal demodulation process is crucial for the quality of the broadcasting signal.
   电视信号解调过程对于广播信号的质量至关重要。
2. 2. The demodulator was designed to improve the reception of analog signals from old television sets.
   解调器被设计用来提高旧式电视机接收模拟信号的能力。
3. 3.In this experiment, we will demonstrate how to use a demodulator to extract information from a radio signal.
   在这个实验中，我们将演示如何使用解调器从无线电信号中提取信息。