一、前言有线电视技术是从无线电视发展而来的一种高科技技术。国外早期就实行了电视广播节目的有线分配。40年代末期西欧等国家的人们为了收看电视节目,采用了共用天线这一技术手段,尔后逐步由共用天线发展成为CATV系统。我国的有线电视技术即共用天线的萌芽时期,应该说是从60年代中期至70年代末期。而大规模的发展则是从80年代开始,首先由南方城市率先发展起来,1989年以前建的系统基本上 I. Preface CATV technology is a high-tech developed from wireless TV. Foreign early implementation of the cable television program distribution. In the late 1940s, people in countries such as Western Europe used the common antenna technology to watch TV programs, and then gradually developed from a common antenna into a CATV system. China’s cable TV technology that is the common antenna of the bud, it should be said that from the mid-60s to the late 70s. The large-scale development is from the 80’s, first by the southern city took the lead in the development of the system built before 1989, basically