论文部分内容阅读
有线电视系统技术在中国的发展分为三个阶段,其系统由前端、干线传输和用户分配网络三部分组成,采用双向传输的实现方式。
The development of CATV system in China is divided into three stages. The system is composed of three parts: front-end, trunk transmission and user distribution network. The system adopts two-way transmission.