引言近年来,一些非法组织经常利用地面发射设备干扰我国地面电视的接收,并不断利用在境外的设备发射非法电视信号,攻击我国“鑫诺”卫星。尤其近阶段对我多个地区地面电视信号的干扰及非法插播达数小时之久,产生了极其恶劣的社会影响。某些地区为消除非法地面电视信号产生的负 Introduction In recent years, some illegal organizations often use ground transmitting equipment to interfere with the reception of terrestrial television in China and continue to use their equipment outside the country to launch illegal television signals to attack our “Sinuo” satellites. In particular, the interference and illegal interception of terrestrial television signals in various areas of my country in recent years have taken a few hours and have had extremely bad social effects. In some areas, negative signals from illegal terrestrial television are eliminated