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ＩＤＴＶ、ＥＤＴＶ和ＨＤＴＶ—电视技术的进化（一）张存桢２０世纪后半期，随着数字技术、微电子技术、计算机应用等的飞速发展，人类社会正在迎接着一个现代化信息时代的到来。人们重视信息的获取和利用，当然也不得不重视有关的技术手段。人们对通信已经不再满足于传...
Evolution of IDTV, EDTV and HDTV-TV Technology (Ⅰ) Zhang Cunzhen In the latter half of the 20th century, with the rapid development of digital technology, microelectronics technology and computer application, human society is now approaching an era of modern information. People attach importance to the acquisition and utilization of information, of course, have to pay attention to the relevant technical means. People are no longer satisfied with the communication ...