充分利用SDH平台,加速发展广电业务  

Make Full Use of SDH Platform, Speed the Development of the Broadcasting and Television Operation

作　　者：康宝菁 

机构地区：[1]江西省广播电视网络传输有限公司赣州市分公司,江西赣州341000

出　　处：《中国有线电视》2003年第19期30-33,共4页China Digital Cable TV

摘　　要：介绍了SDH传输网的特点 ,总结了基于SDH传输平台的广电业务 :广播电视节目传输、DVB数字电视、会议电视系统、构建宽带骨干网等 ,对广电和电信业务进行了比较 。Introduce the feature of the SDH transmission network and the operation based on SDH transmission platform: Broadcasting and TV Programme transmission, DVB digital TV, Conference TV system, construction of Broadband backbone network etc.Compare Broadcasting and TV and telecommunication operation, analyse the advantage and disadvantage of them.

关 键 词：SDH 网络节点接口 MPEG-2传输流 DVB—C标准 2M/E1专线 双向HFC 有线电视网络 

分 类 号：TN943.6[电子电信—信号与信息处理]