几类近似达到Welch界码本的构造Constructions of some classes of codebooks nearly meeting the Welch bound
张爱仙;何春燕;吉喆;
摘要(Abstract)：
具有低相关值的码本在分频多址(CDMA)通信系统,量子信息传输,编码理论,密码等多个领域有着重要的应用.目前,最佳的码本大多是由交换群上的差集合来构造的.近年来,人们考虑构造近似最佳的码本.本文利用高斯和,高斯周期,分圆类等数论工具,构造出了三类近似达到Welch界的近似最佳码本.
关键词(KeyWords)： 码本;Welch界;高斯和;高斯周期;分圆类
基金项目(Foundation): 国家自然科学基金(11401468)
作者(Authors): 张爱仙;何春燕;吉喆;
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