chrominance demodulator

例句：

1. 1.The colorimeter is used to measure the color of objects.
   色度计用于测量物体的颜色。
2. 2.The demodulator was designed to eliminate interference from other signals.
   解调器被设计用来消除其他信号的干扰。
3. 3.The colorimeter and demodulator were both used in the experiment.
   色度计和解调器都在实验中使用。