《数字电视原理》是2009年西安电子科技大学出版出版的图书，作者是余兆明。
介绍数字电视条件接收系统的工作原理及一个基于智能卡的条件接收系统的设计方法。
Introduce the operation principle of the conditional access system of digital TV and a design method based on the intelligent card.
摘要：介绍了一种基于数字电视网络可视电话的原理和实现方案。
Abstract: the theory and implementation of visual phone based on digital TV network is introduced in this paper.
先分析了RS码的编解码原理，RS（204，188）码可以纠错8位的随机误码，适用于DVB标准数字电视的信道纠错。
RS(204,188)are capable of eight random error correcting which is applicable in DVB standard digital television channel error correction.
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