有条件接受是卫星广播用语，指的是卫星广播，电视，数据需要付费或者其他条件才能获得服务。
But this will not become reality without the surport of another technology-conditional access system.
然而如果没有另外一项重要的技术—有条件接收系统技术的保障，新的业务不会变成现实，因为电视运营商不愿意做没有回报的投资。
参考来源 - 数字电视广播条件接收系统的原理和实现·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
Conditional Access System (CAS) is used to charge the subscriber for subscribing fee by scrambling the program information.
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.
有线电视网络的有条件接收虽然是基于单向网络构建的，但是对节目的授权是粗粒度的。
Though the conditional receivable in cable TV network is constructed on unidirectional network, the authorization for the programmer is granular.
应用推荐