This is not "digital television" — it is a normal composite video signal for analog television converted to a digital format for transmission and then converted back to analog for display.
这不是“数字电视”——模拟的组合视频信号变为数字信号以利传输，由变回到模拟信号用以在模拟电视机上显示图像。
In the process of signal transmission, noisy signals interfere with normal signals unavoidably.
在信号的传输过程中，噪音信号不可避免地会干扰正常信号。
The normal method of digital signal transmission is first briefly introduced and the necessity of two-wire operation transmission is explained and puts forward a novel design method.
本文首先简要介绍了通常采用的数字信号传输方法，说明了采用两线制传输的必要性，并提出一种新颖的设计方法。
应用推荐