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有线电视系统接收的信号源中 ,除了卫星电视信号、自办节目外 ,在目前建设的ＣＡＴＶ系统中 ,最主要的是接收无线的广播电视节目。由于它可以利用天线装置接收多频道的电视节目 ,因而在有线电视系统传输的节目中占有很大的比例。接收天线是无线电视信号接收的重要组成部分 ,是
Cable television system receives the signal source, in addition to satellite television signals, run programs, the current construction of the CATV system, the most important thing is to receive wireless radio and television programs. Since it can receive multi-channel television programs using antenna devices, it accounts for a large proportion of the programs transmitted by cable television systems. Receiving antenna is an important part of wireless TV signal reception