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首页> 外文期刊>IEEE Transactions on Information Theory >New Sets of Optimal formula formulatype='inline'tex$p$/tex/formula-ary Low-Correlation Zone Sequences
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New Sets of Optimal formula formulatype='inline'tex$p$/tex/formula-ary Low-Correlation Zone Sequences

机译：New Sets of Optimal formula formulatype="inline"tex$p$/tex/formula-ary Low-Correlation Zone Sequences

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摘要

In this correspondence, three methods of constructing low-correlation zone (LCZ) sequences are proposed. In the first method, we constructed binary LCZ sequence sets of period 2n-1 using the Legendre sequences of period 2m-1 as a column sequence when mn. In the second method, we devise a column sequence set of length 2m+1-1 from a binary sequence of period 2m-1 having ideal autocorrelation property and this column sequence set is used to construct binary LCZ sequence sets of period 2 n-1 when (m+1)n. In the third method, p-ary LCZ sequence sets are constructed by adopting p-ary sequence of period pm-1 with ideal autocorrelation for integers n and m such that mn as a column sequence. The second and third methods give us the optimal sets with respect to the bound by Tang, Fan, and Matsufuji. Finally, a construction method of pntimespn p-ary Hadamard matrices from optimal LCZ sequence sets is proposed

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