descrambling造句

• The technology of compression of the rf synchronous information is comparatively low and secure and it can also produce high quality descrambling signals
  射频行同步信号抑制的加解扰技术成本较低，技术比较成熟，电路实现也较为简单。
• As the reverse procedure of scrambling, descrambling restores the synchronous tips to its proper place according to the controlling information transmitted from the scrambling circuit
  解扰是加扰的逆过程，它根据加扰端送来的控制信号决定在什么时候对哪些同步头进行还原。
• Conditional access system is the key to realize the increment of the dvb system and provides effective system management and subscriber control . it covers many advanced techniques such as system-scheduling management, network, digital coding & decoding, scrambling & descrambling, encrypting & decrypting, multiplexing, modulating & demodulating, set-top box, smart card and some practical database techniques, for example program management, subscriber management and charging management
  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，它集多种先进技术于一身，诸如：系统调度管理、网络技术、数字压缩编码、加解扰算法、加解密算法、复用器技术、调制解调技术、机顶盒技术、智能卡技术等，同时也涉及到用户管理、节目管理、收费管理等数据库应用技术。
• The scrambling and descrambling technologies include non-disturbing frequency method, analog base band disturbing method, the radio-frequency signal disturbing method, the digital disturbing method for the analog signal and the digital signal disturbing method, etc . after the introduction a project based on the compression of the rf synchronous information is formulated
  本文综述了目前常用的几种主要的电视信号的加解扰技术，如非扰频加解扰技术、模拟基带加解扰技术、射频信号加解扰技术、模拟信号的数字处理加解扰技术以及数字信号加解扰技术等。
• Secondly, we research on the structure of ca system . according to the essential task of the ca system, we design the basic scheme of scrambling and descrambling, and describe the generating, handing out and pick-up of ecm and emm message . we also discuss the implement of the conditional access module in set-top-box
  根据ca系统的基本任务,设计了加扰、解扰的基本方案;描述了授权管理信息(emm)、授权控制信息(ecm)生成、播发、提取的方法以及该信息生成模块内各部件的接口关系;并对如何在机顶盒中实现条件接收功能模块进行了探讨。