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。
Finally, the HD formats of digital TV have a different aspect ratio than analog TVs. An analog TV has a 4:3 aspect ratio, meaning that the screen is 4 units wide and 3 units high.
最后,高清格式(16:9)具有和模拟电视(4:3)不同的宽高比。
Advanced undergraduate or graduate students who wish to develop a solid knowledge of analog circuit design. A basic understanding of analog circuits is assumed.
希望巩固模拟电路知识的在校的高年级本科生、研究生,此课程需要一定的模拟电路设计基础。
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