摘要
论述了HFC网络回传系统模型、系统设计要求,并结合烟台有线台利用国产HFC网络设备开展双向业务的情况,介绍了回传系统的设计、设置与调试的过程。
The article discribes the model of HFC return system and the requestment of system design,and introduces the process of the return system design,setting and adjustment,combining with the situation that our station develops interactive service by utilizing native HFC network device.[
出处
《电视技术》
北大核心
2002年第4期38-40,共3页
Video Engineering
关键词
HFC网络
回传系统
设计
调试
cable modem
service power
the node of unit gain
carrier to noise ratio