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。
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。
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。
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。
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。
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。
With the rapid development of digital TV technology, Conditional Access System is more and more important in the digital TV broadcasting.
随着数字电视技术的飞速发展，条件接收系统在数字电视广播中占有越来越重要的地位。
Conditional access system (CAS) is the key to realize the increment of the DVB system and provides effective system management and subscriber control.
条件接收系统(CAS)是DVB系统实现增值的核心，能够提供有效的系统管理和用户控制。
Because of the conditional access system's speciality and sensitivity, it is urgent for China to develop a standard for conditional access system by itself.
鉴于条件接收系统的特殊性和敏感性，我国需要尽快制订出一套有自主知识产权的条件接收系统标准。
Applying the corresponding conditional access criterion, the paper put forward a kind of scheme for conditional access system, which was under the equipments we had.
本文应用相应的条件接收标准，提出了一种在现有设备基础上实现数字电视条件接收系统的方案。
Conditional Access System, which ACTS as a necessary technical measure in pay television, will hardly meet the demands of the market with the growing digital TV industry.
条件接收作为数字电视收费的必要的技术保障手段，随着数字电视产业的不断升温，市场需求也越来越迫切。
Integrating Conditional Access System in IPTV platform can protect the rights and interests of IPTV content providers, also a precondition of implementing its industrialization.
在IPTV平台上集成有条件接收系统将会保护IPTV内容提供商的合法权益，也是实现其产业化的前提条件。
This paper introduces the theory of conditional access and its implement in the system of VOD service. Some technical points are also discussed.
介绍了在VOD系统中有条件接收的原理和实现方法，并讨论了一些关键技术。
This paper introduces the theory of conditional access and its implement in the system of VOD service. Some technical points are also discussed.
介绍了在VOD系统中有条件接收的原理和实现方法，并讨论了一些关键技术。
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