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循环冗余校验码(CRC)是一类重要的线性分组玛,它有两个特点:(1)码结构便于用代数方法分析和构造;(2)具有循环性,编泽码运算可用线性反馈移位寄存器实现,并且可能找到简单的译码算法。所以目前的磁表面存储器实际都采用这种检纠码。
Cyclic Redundancy Check Codes (CRC) are an important class of linear grouping matrices that have two characteristics: (1) The code structure is easy to analyze and construct using algebraic methods; (2) Cyclic code operations are available linearly Feedback shift register implementation, and may find a simple decoding algorithm. So the current magnetic surface memory are actually used to check this code.