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MMDS技术引起我的兴趣,是在1989年初,当时我正在调研北京有线电视的技术发展模式。北京是中国的首都,全国的政治、文化中心,地域面积1.68万平方公里,其中西北为山区,约占2/3,东南为平原;常住人口约1200万,其中2/3居住在平原地区。用什么技术能解决北京地区70多公里半径内的有线电视覆盖问题?或者,先期解决北京平原地
My interest in MMDS technology was in early 1989 when I was investigating the technology development model for Beijing CATV. Beijing is the capital of China and the political and cultural center of the country. The area covers an area of 16,800 square kilometers. Among them, the northwest is mountainous, accounting for about two-thirds of the total area. The southeast is plain. The resident population is about 12 million, of which two-thirds live in the plains. What technology can be used to solve the problem of cable TV coverage within a radius of more than 70 km in Beijing? Or, to solve the problems of Beijing plain