摘要
对DVB定义的同密技术的系统结构和工作原理进行了阐述,介绍了在上海有线电视网上进行的Nagra和NDS条件接收系统同密应用情况。
DVB defines the simulcrypt technology to enhance the compatibility of conditional access system and the fair competition of market. The article hereby expatiates the framework and principles of the simulcrypt system. Meanwhile, it gives an introduction of the simulcrypt project deployed by Shanghai Cable Network Co.
出处
《电视技术》
北大核心
2004年第6期27-29,共3页
Video Engineering
