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大屏幕Ｎ制彩电改制张正仓我国彩色电视广播采用ＰＡＬ制式，要想使ＮＴＳＣ－Ｍ制式的彩电收看我国的彩色电视节目，必须进行改制式。下面介绍具体改制方法。一、通道部分改制从附表可看出，ＮＴＳＣ－Ｍ制式的射频及视频带宽均较Ｐ制窄，第二伴音中频及１－５频道划分均...
Large-screen N-color TV system Zhang Zhengcang China’s color television broadcasting using PAL format, in order to make NTSC-M standard TV watching color television programs in our country, we must carry out the restructuring. The following describes the specific restructuring method. First, the channel part of the restructuring From the schedule can be seen, NTSC-M standard RF and video bandwidth are narrower than the P system, the second sound IF and 1-5 channel division are ...