IPQAM设备关键技术的研究  

Studying on Key Technologies of IPQAM Devieves

作　　者：陈勇 商彬 

机构地区：[1]中国人民武警警察部队福建省总队,福建福州350003

出　　处：《电视技术》2008年第z1期122-124,共3页Video Engineering

摘　　要：简单介绍了基于HFC网络IPTV系统方案、边缘QAM调制器(IPQAM)在IPTV系统中完成的功能和设备总体框架结构。重点研究了IPQAM两个关键技术的实现,为IPQAM的整体设计提供重要依据。The IPTV system based on the HFC network,and the functions of IPQAM in the IPTV system and equipment population framed structure are introduced briefly. Then the two key technologies realization of IPQAM are studied with emphasis in this article, which provideds the important basis for the entirety design of IPQAM.

关 键 词：边缘QAM调制器 交互式电视 节目参考时钟 热插拔 

分 类 号：TN948.5[电子电信—信号与信息处理]