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利用Z2k-线性码的生成矩阵及检验矩阵,给出了Z2k-线性码为自对偶码的必要条件,并给出了由一个Z2k-线性码构造Z2k-线性码的两种方法。
By using the generation matrix of Z2k-linear codes and the test matrix, the necessary conditions for Z2k-linear codes to be self-dual codes are given. Two methods of constructing Z2k-linear codes from a Z2k-linear code are given.