| 一类新的混沌扩频序列研究 |
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| 引用本文： | 罗启彬,张健.一类新的混沌扩频序列研究[J].系统工程与电子技术,2006,28(10):1497-1499. |
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| 作者姓名： | 罗启彬 张健 |
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| 作者单位： | 中国工程物理研究院电子工程研究所,四川,绵阳,621900 |
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| 基金项目： | 中国工程物理研究院面上项目基金资助课题(20050429) |
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| 摘 要： | 构造了一种新的Hybrid混沌映射,提出了混沌扩频序列的产生方法,在此基础上给出了扩频序列的优选准则和混沌序列的优选方法,并通过数值仿真分析了此类扩频序列的自/互相关特性和序列码的平衡特性。计算结果表明,由Hybrid映射产生的混沌扩频序列的伪随机特性及线性复杂度,都较Logistic有显著提高,且根据该方法优选的混沌扩频序列的平衡特性、自/互相关特性,与Gold序列相比,更适合于码分多址通信系统的要求。
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| 关 键 词： | 混沌映射 扩频序列 相关特性 线性复杂度 |
| 文章编号： | 1001-506X(2006)10-1497-03 |
| 修稿时间： | 2005年8月8日 |
Research on spreading sequences with a novel chaos |
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| LUO Qi-bin,ZHANG Jian.Research on spreading sequences with a novel chaos[J].System Engineering and Electronics,2006,28(10):1497-1499. |
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| Authors: | LUO Qi-bin ZHANG Jian |
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| Abstract: | A new chaotic mapping technique-hybrid mapping is constructed,and the generating approach of chaotic spreading sequence is proposed.Some criteria for optimizing spreading sequences and the choosing method are also presented.By numerical simulation,the correlation and balance properties of the chaotic spreading sequences are analysed.Calculation result shows that the pseudo-random character and the linear complexity are excellent compared with logistic mapping,and the optimized chaotic spreading sequences are much better than Gold sequences. |
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| Keywords: | chaotic mapping spreading sequences correlation property linear complexity |
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