| 二元等距码的Q-变换分布及其应用 |
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| 引用本文： | 夏树涛.二元等距码的Q-变换分布及其应用[J].通信学报,2006,27(12):122-126. |
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| 作者姓名： | 夏树涛 |
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| 作者单位： | 清华大学,深圳研究生院,广东,深圳,518055 |
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| 摘 要： | 研究了二元等距码、等重等距码及其距离分布的Q-变换。通过使用Q-变换分布的性质,研究了二元等距码和等重等距码的最大码字数并得到2个新的上界,这些上界在某些情况下优于已知的结果。
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| 关 键 词： | 二元等距码 等重等距码 最大码字数 距离分布 Q-变换 |
| 文章编号： | 1000-436X（2006）12-0122-05 |
| 收稿时间： | 2005-03-23 |
| 修稿时间： | 2006-07-28 |
Q-transform of distance distribution of binary equidistant codes and applications |
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| XIA Shu-tao.Q-transform of distance distribution of binary equidistant codes and applications[J].Journal on Communications,2006,27(12):122-126. |
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| Authors: | XIA Shu-tao |
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| Affiliation: | Graduate School at Shenzhen of Tsinghua University, Shenzhen 518055, China |
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| Abstract: | Q-transform of distance distribution of binary equidistant codes and equidistant constant weight codes were studied. By employing the properties of Q-transform, the maximum number of codewords of binary equidistant codes and equidistant constant weight codes were studied and two upper bounds were then obtained. These two bounds are better than previous known results in certain cases. |
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| Keywords: | binary equidistant codes equidistant constant weight codes maximum number of codewords distance dis-tribution Q-transform |
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