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随着有线电视节目套数的增加,有些普通电视机无法接收到增补频道节目。随着卫星广播事业的快速发展和数字传输技术的成熟,有线电视节目的套数越来越多,而大部分省市电视台采用500MHz 邻频传输系统,其中包括22个标准频道和37个增补频道。目前,22
With the increase in the number of cable television programs, some ordinary television can not receive additional channel programs. With the rapid development of satellite broadcasting and the maturity of digital transmission technologies, the number of cable television programs is increasing. Most provincial and municipal TV stations adopt the 500 MHz adjacent-channel transmission system, which includes 22 standard channels and 37 additional channels. At present, 22