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digitalsource
- 信源长度为32位,发出信号前8位为群同步码,后24位为数字信源;信源速率为256bit/s。采用模块化设计方法进行系统设计-Source length of 32, a signal for the group before the 8-bit synchronous code, after the 24-bit digital source source rate of 256bit/s. Modular design approach to system design
pcm
- 1).输入码流DATA,速率为2.04Mb/S;每帧256bit,其中前8bit为帧同步码;偶数帧的帧同步码为10011011,奇数帧的帧同步码为110XXXXX(X为任意值)。 2).系统初始状态为失步态,失步信号FLOSS输出低电平,电路在输入码流里逐比特搜寻同步码,当搜寻到第一个偶帧同步码后,电路转为逐帧搜寻,当连续三帧均正确地搜寻到同步码后,系统状态转为同步态,失步信号输出高电平;否则电路重新进入逐比特搜寻状态。 3).系统处于同步态后,当连续四帧检出的同步码均错误,则系统转为
20050821backupsamplecode
- Backup application with encryption 128 bit or 256 bit. Very nice c# sharp .net 2.0 startup for anyone who wish to add this feature for building restore point of credential data. Enjoy! DG
sha256
- sha语言,实现256bit的实现,提高安全性。(SHA language, to achieve the implementation of 256bit, improve security.)