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New covering codes from an ADS-like construction

机译:类似于ADS的结构的新覆盖代码

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A covering code construction is presented. Using this construction it is shown that t[52,39]=3, t[36,21]=4, t[58,32]=7, K(32,2)/spl les/62/spl middot/2/sup 18/, and K(62,5)/spl les/31/spl middot/2/sup 37/, where t[n,k] is the minimum covering radius among all binary [n,k] codes and K(n,R) is the minimum cardinality of a binary code of length n and covering radius R. Four new linear codes found by computer search are also given. These include a [23,9]5 code, a [32,8]10 code, a [51,41]2 code, and a [45,20]8 code.
机译:介绍了覆盖代码的构造。使用这种构造表明,t [52,39] = 3,t [36,21] = 4,t [58,32] = 7,K(32,2)/ spl les / 62 / spl middot / 2 / sup 18 /和K(62,5)/ spl les / 31 / spl middot / 2 / sup 37 /,其中t [n,k]是所有二进制[n,k]码和K中的最小覆盖半径(n,R)是长度为n且覆盖半径R的二进制代码的最小基数。还给出了通过计算机搜索找到的四个新线性代码。这些包括[23,9] 5码,[32,8] 10码,[51,41] 2码和[45,20] 8码。

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