- 易迪拓培训,专注于微波、射频、天线设计工程师的培养
数字电视中的条件接收系统
录入：edatop.com 点击：
摘 要：数字电视指将传统的模拟信号转化为数字进行处理、传输和接收的系统。数字电视的条件接收系统运用各种数字技术通过对节目的加扰处理，使只有授权用户才能收看被加扰节目，从而保障运营商的利益，保证数字电视发展。本文主要阐述当前数字电视使用的条件接收系统的基本原理，以及实际中应用两种条件接收方式的设计和实现，并比较两种方式的优势和不足。最后介绍当前国内数字电视发展的现状。
关键词：条件接收；数字电视机顶盒( 或综合解码接收机)；授权管理信息；授权控制信息；同密；多密；公共接口
Conditional Access in Digital Television
WANG Xianfei， SU Kaixiong
(Department of Information & Communication, Fuzhou University,
Fuzhou, 350002, China)
Abstract：Digital television is a kind of system in which analog signals are transformed i nto digital signals The digital signals are processed and transferred by using some digital technology in the system
关键词：条件接收；数字电视机顶盒( 或综合解码接收机)；授权管理信息；授权控制信息；同密；多密；公共接口
(Department of Information & Communication, Fuzhou University,
Fuzhou, 350002, China)
Abstract：Digital television is a kind of system in which analog signals are transformed i nto digital signals The digital signals are processed and transferred by using some digital technology in the system
