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给出了有限域上周期序列在改变几个比特的情况下,其极小多项式及线性复杂度的计算公式,并对其中只改变了一个比特的序列进行了深入的分析,最后得出m序列及周期为2~n序列在改变任意一个比特后的线性复杂度。
The formula of the minimum polynomial and the linear complexity of a periodic sequence in a finite field with a few bits changing is given and the sequence in which only one bit is changed is analyzed in depth. Finally, the m sequence And the linear complexity of 2 ~ n sequence after changing any one bit.