数字电视有线传输系统发送端信号处理探讨  

The Sender Signal Processing of Digital Television Cable TV Transmission System is Discussed

作　　者：杜雪冰[1] 

机构地区：[1]太原有线电视网络有限公司,山西太原030024

出　　处：《科学之友（下）》2013年第9期149-150,共2页Friend of Science Amateurs

摘　　要：数字电视有线传输系统的信号发送分别是由前端系统、传输系统、终端系统三个部分完成的,这三个系统构成了数字电视有线传输系统发送端信号,因此它们所处的环境和本身的质量问题都会影响传输系统的信号发送。着重讨论了系统信号的传输技术包括电缆传输技术、SDH系统传输技术、光纤传输技术、光纤同轴混合网传输技术等,并介绍了各自的原理和特点,以期为日后数字电视的发展提供良好的借鉴。With the continuous development of our country economy, people＇s living standard has a qualitative leap. The widespread application of the television, has greatly enriched people＇s life. Cable television, as a kind of important medium in our life, with the continuous development of science and technology, cable TV signal transmission and broadcast technology has a qualitative improvement, and in the cable television network the widespread application of digital television technology will be a big trend. The application of digital television technology in the cable television network is introduced, the reasons and inevitability of the development of digital TV are introduced too. At the same time, the application of digital TV technology in the cable television network is analyzed and the digital television technology is described in detail based on cable television network.

关 键 词：数字电视 有线传输系统 信号 

分 类 号：TN949.291[电子电信—信号与信息处理]