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一类新型二元序列族的相关函数研究 被引量：1

Study on the correlation functions of new binary sequences
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摘要 扩频序列设计是直接序列扩频通信系统的关键课题之一。本文在一类具有二值自相关函数的二相序列基础上 ,构造了一类新的二相序列族 ,计算了新序列族的相关函数 ,结论表明 :该二相序列族在Welch界意义下是最佳的 。 Spreading sequences design is one of the key task in the direct-sequence spread spectrum communication systems. In this paper,based on a class of binary sequences with two-level autocorrelation functions, a new family of binary sequences is constructed and their correlation functions are calculated, it is shown that the new sequence family is optimal with respect to Welch′s bound, and can be used in direct-sequence CDMA communication systems.
作者 胡飞 梅其祥 靳蕃 范平志
机构地区 西南交通大学计算机与通信工程学院
出处 《电波科学学报》 EI CSCD 2003年第3期298-300,304,共4页 Chinese Journal of Radio Science
关键词 扩频序列 直接序列扩频通信 二相序列族 相关函数 Welch界 CDMA sequences, correlation function, Welch bound, CDMA
分类号 TN914.42 [电子电信—通信与信息系统]
  • 相关文献

参考文献10

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二级参考文献4

同被引文献8

  • 1Sarwate, D V, and Pursley, M B. Crosscorrelation properties of pseudorandom and related sequences[J].Proceedings of the IEEE, May 1980, 68 (8) : 593-619.
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电波科学学报
2003年 第3期

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