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1.Using skew symmetry matrices over Z/2~kZ order m to construct Cartesian authentication code
用有限局部环Z/2~kZ上m阶对称矩阵构作的卡氏验证码收藏指正
2.By analyzing the known {-1,0,+1} Barker sequence,it has the same skew-symmetry with 2-phase Barker sequences with odd length.
通过与2相Barker序列比较,采用类似2相Barker序列结构,得到的奇数长度的三值Barker序列。收藏指正
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