视频信号的Nyquist分析

Nyquist Analysis of Video Signal

Nyquist体积是对信号进行分析的有效方法和手段,本文以我国的PAL制电视系统为例,采用Nyquist体积分析方法,对其中的亮度信息、彩色副载波等进行了分析,并针对Nyquist体积的不足,提出了区分Nyquist体积内部不同信号的方法。

Nyquist bulk is an efficient method to analyze signals. Take our country's PAL standard TV system as example, the brightness message and color subcarrier are analyzed by Nyquist bulk analysis method in this paper. And the way to differentiate various signals inside the Nyquist bulk is proposed toward the disadvantage of Nyquist bulk.