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二元GMW序列Niho采样下的互相关性分析

Niho Type Crosscorrelation Analysis of Binary GMW Sequences
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摘要 GMW序列是一种线性复杂度很高的非线性序列,在直接序列扩频系统中有着很好的应用前景。通过证明级联二元GMW序列与其采样序列的互相关性在特定条下和构造级联GMW序列的幂无关,将二元GMW序列与其采样序列的互相关性与m序列联系起来。通过现有二元m序列在Niho采样下的互相关性研究结论,分析证明了级联二元GMW序列在Niho采样下的互相关性具有四值、五值、六值特性。 A criterion is proved that the crosscorrelation between a cascaded GMW sequence and its decimation is independent of all powers. Then, the crosscorrelation is associated with m sequences. By using the existed research results of binary m sequences based on Niho decimation, the 4-va,lued, 5-valued and 6-valued crosscorrelation of binary GMW sequences in Niho type decimation is analyzed and proved.
作者 李嵩山 邓印凯 周亮
机构地区 电子科技大学抗干扰国家级重点实验室
出处 《通信技术》 2012年第12期23-26,29,共5页 Communications Technology
关键词 GMW序列 Niho采样 互相关性 GMW sequence Niho type crosscorrelation
分类号 TN918 [电子电信—通信与信息系统]
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参考文献12

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通信技术
2012年 第12期

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