加扰是数字信号的加工处理方法,就是用扰码与原始信号相乘,从而得到新的信号。与原始信号相比,新的信号在时间上、频率上被打散。因此,从广义上说,加扰也是一种调制技术。加扰也有一个逆操作,就是解扰。
n. scrambling
The Control Word (CW) and scrambling algorithm used to scramble the Transport Stream (TS) is same to different CASs.
对于不同的CAS,加扰TS流所用的控制字和算法是一样的,所不同的是控制字传送给用户的机制。
参考来源 - 加扰与条件接收系统研究与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
数据隐含、图像加扰和图像防伪是图像处理中的重要研究领域。
Data conceal, adding harass and false prevention are the important domains in image processing.
还有一个复杂的位加扰系统,专门用来确保潜在干涉效应之类的特性都已经被优化。
There's also a complex bit scrambling procedure that makes sure that various properties, such as possible interference, are optimized.
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.
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