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1·Conditional access plays an very important role in the digital video broadcasting.

条件接收是数字视频广播中极其关键的一部分。

2·Conditional Access System (CAS) is one of the key technologies of digital television.

条件接收系统(CAS)是数字电视的关键技术之一。

3·The main challenge of the conditional access system is normally to prevent commercial piracy.

一般来讲，条件接入系统的主要问题在于防止处于商业目的的盗用。

4·The user may check information of E-mail, smart card and conditional access by this operation.

用户可以根据此项操作来查看电子邮件、智能卡、条件接收等信息。

5·The tokens PPV can be run as concurrent conditional access mode to standard subscription, Event PPV or NVOD PPV.

令牌PPV可以在并发有条件接入模式下运行标准订购、事件PPV或NVOD PPV。

6·Conditional Access System (CAS) is used to charge the subscriber for subscribing fee by scrambling the program information.

有条件接收系统通过对节目信息进行加扰从而达到对用户收取收视费用。

7·It has reference value for the design of the domestic conditional access system of mobile TV and provides a design concept.

对国内移动数字电视条件接收系统的设计者具有一定的参考价值，提供了一种设计思路。

8·Introduce the operation principle of the conditional access system of digital TV and a design method based on the intelligent card.

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。

9·It includes the MEPG2 demodulation module, the numeral regards the audio frequency coder and the conditional access module and so on.

它主要包括MEPG2解调模块、数字视音频编码器和条件接收模块等。

10·A key distribution scheme based on elliptic curve cryptography for Conditional Access System (cas) in Digital TV broadcast is proposed.

针对数字电视有条件接收系统中的密钥分配，提出了一种基于椭圆曲线密码的分层访问控制密钥分配方案。