一个典型的CA过程包括三个基本要素：广播设备、机顶盒、安全模块。
A typical ca process involves three basic elements: the broadcast equipment, the set-top box, and the security module.
介绍了智能可寻址广播系统的组成和特点，并讨论了控制软件的串口通信模块和数据管理模块的设计实现。
This paper introduces the components and features of the intellectual addressing broadcast system, and describes how to design the serial communication modular and data management modular.
该模块不仅在本设计里可以使用，再其他的与视频相关的应用里也可以使用，稍加修改还能应用到音频设备或广播设备方面。
The module can be implemented in this design as well as other applications of video process. With slight modification, it can also be used in video audio devices.
它的流程化、模块化组装生产和媒体式、广播式授权销售代表了一种新型的企业生产和销售框架。
Its streamline, blocking assembly production and the media-like, broadcast-like sales represent a new conception of business.
本发明的目的是当与广播网络连接的用户单元中安全模块已由一个新的模块代替时，能够恢复安全模块的专用信息。
The invention aims at enabling recovery of data specific to a security module when the latter has been replaced by a new module in a user unit connected to a broadcasting network.
典型产品有：智能广播服务器、智能数字控制器、数字音视频处理设备、无线通讯模块、人体检测系统等。
The typical products are: server of intelligent broadcasting, intelligent digital controller, digital audio processing units, wireless communication parts, human inspection system.
本系统消防广播部分为总线制，由广播切换模块实现背景音乐与紧急广播切换。
This system fire prevention broadcast part is the main line system, realizes the background music and the urgent broadcast by the broadcast cut module cuts.
本系统消防广播部分为总线制，由广播切换模块实现背景音乐与紧急广播切换。
This system fire prevention broadcast part is the main line system, realizes the background music and the urgent broadcast by the broadcast cut module cuts.
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