校验码算法，采取矩阵移位算法，网络通讯中经常使用。
CRC Check Code algorithm, take the matrix transposition algorithm, frequently used in network communications.
本文提出了基于字节查表生成循环冗余校验码（CRC码）的三种软件算法，并对其效率进行了分析。
This paper puts forward three table-based software algorithms to create cyclic redundancy check(CRC) code, and analyses efficiency of the algorithms.
用软件实现CRC校验码计算很难满足高速数据通信的要求，基于硬件的实现方法中，有串行经典算法LFSR电路以及由软件算法推导出来的其它各种并行计算方法。
CRC computing by software can hardly meet with the high speed digital system. Classic LFSR circuit and other algorithm that derived from software are generally adopting as hardware solutions.
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