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北京邮电大学信息安全中心126信箱,北京,100876
纸质出版:2000
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张振涛, 孙 伟, 杨义先, 等. 有限域上m序列与其采样序列的互相关性[J]. 电子学报, 2000,28(10):69-73.
On the Crosscorrelation of m Sequence over Finite Field and Its Decimation Sequence[J]. Acta Electronica Sinica, 2000, 28(10): 69-73.
张振涛, 孙 伟, 杨义先, 等. 有限域上m序列与其采样序列的互相关性[J]. 电子学报, 2000,28(10):69-73. DOI:
On the Crosscorrelation of m Sequence over Finite Field and Its Decimation Sequence[J]. Acta Electronica Sinica, 2000, 28(10): 69-73. DOI:
本文研究了有限域GF(p)上的m序列与其采样序列之间的互相关函数C
d
(t)
得到以下结论:(1)当采样因子d= p
n
+1 p+1 + p
-1 2
n为奇数且p≡3(mod 4)时
|1+C
(t)| 1+p 2 p
从而解决了Muller在文献 中提出的一个公开问题
并将文献[1
]
中的p=3时的结论推广为一般情形;(2)当d= p
+1 p+1
C
(t)∈{-1
-1+ p
n+1 -1- p
n+1
};(3)在以上两种情况下
对|1+C
(t)|关于t的分布进行了研究
结果表明
当p很大时
(t)|取最大值的概率很小.
In this paper we investigate the crosscorrelation function C
(t) of m sequence on finite field GF(p) and its decimation sequence
and get the following results:(1)For decimation factor d= p
p≡3(mod 4)
n odd
we show that |1+C
and therefore solve an open problem raised by Muller in [1
and generalize the result proved in [1
;(2)For decimation factor d= p
we show C
-1- p
};(3)In the two cases above
we study the distribution of |1+C
(t)| with respect to t
and obtain that when p is big enough
the
probability of |1+C
(t)| achieving the maximum is very small.
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