| 摘要 |
A CRC operational system for use in detection of a communication error or the like. A received code sequence is once accumulated, for example, in a shift register so that a message sequence which follows in the shift register <IMAGE> where, k denotes message length, p=2, and mi=0, 1, is added together taking the mi into consideration to find a check sequence with respect to the entire message sequence to perform coincidence judgement between the found check sequence and the received check sequence.
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