【摘要】 主要以广播电视信号的流程为顺序,从信号的传输、编码器的设置、发射机的组成、激励器的设置、天馈线系统的选择和地面数字电视信号的接收6个方面,对系统的组成做了详细介绍。在介绍各个环节的同时,根据运行、维护经验,针对该部分设备中的不同选项对发射和接收会产生怎样的影响做了详细说明。更多还原

【Abstract】 In the order of the process of radio and television signals,from six aspects such as the signal transmission,the encoder settings,the transmitter composition,exciter set,antenna system selection and reception of terrestrial digital television signals,this article makes a detailed introduction.During introducing,according to the experience about operation and maintenance,it particularly illustrates the influence on transmitter and receiver brought by different options in the equipment.更多还原