quadrature chrominance signal

例句：

1. 1.The colorimeter measures the quadrature chrominance signal of an image.
   色度计测量图像的色度信号。
2. 2.In color television, the quadrature chrominance signal is used to create a picture.
   在彩色电视中，色度信号被用来创造一幅画面。
3. 3. The quadrature chrominance signal is crucial for the quality of the video signal.
   色度信号对于视频信号的质量至关重要。