| 周期为偶数的三值自相关四进序列偶 |
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| 引用本文： | 彭秀平,许成谦,李刚.周期为偶数的三值自相关四进序列偶[J].系统工程与电子技术,2012,34(10):1999-2004. |
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| 作者姓名： | 彭秀平 许成谦 李刚 |
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| 作者单位： | 燕山大学信息科学与工程学院, 河北 秦皇岛 066004 |
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| 基金项目： | 国家自然科学基金(60971126,61172094);河北省教育厅资助科研项目(2010286);河北省自然科学基金(F2012203171)资助课题 |
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| 摘 要： | 提出了一种新型的离散信号形式--三值自相关四进序列偶，对周期是偶数的这种信号作了重点研究，得到了周期为偶数的三值自相关四进序列偶的自相关函数值的最大副峰模值至少是2的自相关特性，并给出了一种使得到的四进序列偶的副峰值是{0,-2},满足这种自相关特性的四进序列偶的构造方法。当构造方法中所用的伪随机二进序列偶具有好的平衡性时，构造得到的四进序列偶不仅具有很好的相关性而且具有很好的平衡性。
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| 关 键 词： | 信号设计 三值自相关四进序列偶 逆Gray映射 伪随机二进序列偶 |
Even period quaternary sequence pair with three-level autocorrelation |
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| PENG Xiu-ping
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XU Cheng-qian
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LI Gang.Even period quaternary sequence pair with three-level autocorrelation[J].System Engineering and Electronics,2012,34(10):1999-2004. |
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| Authors: | PENG Xiu-ping XU Cheng-qian LI Gang |
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| Institution: | College of Information Science & Engineering, Yanshan University, Qinhuangdao 066004, China |
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| Abstract: | A new form of discrete signals, the quaternary sequence pair with three level autocorrelation, is proposed. The quaternary sequence pairs with even period is studied. The maximum out-of-phase autocorrelation is at least two is gotten, which has the character of any quaternary sequence pairs with even period and three-level autocorrelation. A construction of quaternary sequence pairs with even period and the autocorrelation value of {0,-2} is presented. And the balanced quaternary sequence pairs with optimal autocorrelation values can be obtained if the used pseudorandom binary sequence pairs have the optimum properties of balance. |
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