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  even correlation
     Analysis of Odd/Even Correlation Properties of Logistic Map Chaotic Spread Spectrum Sequences
     Logistic映射混沌扩频序列的奇/偶相关特性分析
短句来源
     Analysis Of Odd/Even Correlation Properties of Chebyshev-map Chaotic Spread-spectrum Sequences
     Chebyshev映射混沌扩频序列的奇/偶相关特性分析
短句来源
     In this paper,the odd/even correlation properties of Logistic Map chaotic spread spectrum sequences and the effect of the finite length of the sequences on their odd/even correlation properties are analyzed.
     本文简要分析了Logistic映射混沌扩频序列的奇 /偶相关特性以及序列的有限长度效应对奇 /偶相关特性的影响 ;
短句来源
     Their properties of balance, correlation and security are analyzed. From the experiment results, we have found that the part and odd/even correlation of this three kind of sequences improve much with the increase of the length.
     由实验结果可以看出,这三种序列的部分以及奇/偶相关特性都随着序列截短长度的增加而得到明显的改善。
短句来源
     In this paper,we generate binary spreading sequences for DS/CDMA by the Logistic map. The even correlation and odd correlation of such sequences of length N are all Gaussian distributed,with mean 0 and variance N . The system capacity of chaotic spreading sequences is shown to be identical to conventional sequences in CDMA sytems.
     本文由Logistic映射产生用于直扩码分多址(DS/CDMA)系统的扩频序列,证明了周期为N的此类扩频序列的偶相关和奇相关均服从均值为0、方差为N的高斯分布.采用混沌扩频序列的CDMA系统的容量与传统扩频序列相同.
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     Strain rates applied in the simulations ranged from 5×10~7 s~(-1) to 1×10~(10) s~(-1). The stress, the average atomic energy, the pair correlation function, as well as the transient atomic images of the systems were presented to explore the strain rate dependence of structure of nanowires.
     体系施加应变率范围在5×10~7-1×10~(10)s~(-1),观察体系的应力-应变曲线、平均原子能量、原子轨迹,偶相关函数随应变率的变化.
短句来源
     It was found that as the strain rates applied to the system were lower than 1×10~8 s~(-1), the nanowires underwent plastic deformation and kept crystal structure before fracture during the process of tensioning state, which was testified clearly by the pair correlation function.
     发现当应变率低于1×10~8s~(-1)时,体系发生塑性变形,最终颈缩断裂,偶相关函数表明体系一直保持晶体结构;
短句来源
     While as strain rates were higher than 1×10~9 s~(-1), the nanowires changed continuously from crystalline structure to amorphous phase and the pair correlation function also exhibited the characteristics of typical amorphous peaks. Amorphization of Ni nanowires was induced under high strain rates.
     而当应变率高于1×10~9s~(-1)时,体系发生了由晶体向非晶的持续转变,偶相关函数出现了典型的非晶峰,高应变率诱发了Ni纳米丝的非晶化.
短句来源
     According to the spreading sequence's technical requirements, this paper uses genetic algorithms to search hypo-perfect sequence pairs from length 8 to length 63, and some results with better correlation function than Gold sequenceare found.
     依据扩频通信系统对扩频序列的技术要求,用遗传算法搜索出两个字(63位)长度内的次优二元序列偶,发现了几个较好结果。 对搜索出的序列偶相关性能进行了简要分析并同现有的Gold序列进行了比较,结果表明序列偶的相关性能在某些方面要优于Gold序列。
短句来源
     Theoretical analysis shows that the EOE Logistic Map chaotic spread spectrum sequences are better than the original sequences.
     理论分析表明 ,EOELogistic映射有限长度扩频序列的奇 /偶相关特性较原序列有所改善 .
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  相似匹配句对
     Research on the periodic correlation functions and the bounds of sequence pairs
     序列循环相关函数及其界的研究
短句来源
     Interrelating Entropy
     相关
短句来源
     The frame includes aseries of guidelines 、process、related methods.
     相关的方法。
短句来源
     A novel zero correlation zone sequence pairs set
     一种新型零相关区序列集合
短句来源
     THE EVEN-MAPPING THEOREM
     映射定理
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  even correlation
Properties of ? even correlation functions ? are deduced.
      
Uniqueness of the even correlation functions for the two-dimensional Ising model in cylindrical geometry at low temperature
      
Even correlation with outcome can be explored using commercially available statistical programs such as Winstat.
      
Even correlation and analysis can't be fully automated because only the enterprise owners know what questions to ask the analysis engines.
      
Moreover, even correlation ofthe clinical and pathologic cardiac abnormalities is difficult in the acute infectious setting.
      
  even correlation functions
Properties of ? even correlation functions ? are deduced.
      
Uniqueness of the even correlation functions for the two-dimensional Ising model in cylindrical geometry at low temperature
      


In this paper,we generate binary spreading sequences for DS/CDMA by the Logistic map.The even correlation and odd correlation of such sequences of length N are all Gaussian distributed,with mean 0 and variance N .The system capacity of chaotic spreading sequences is shown to be identical to conventional sequences in CDMA sytems.

本文由Logistic映射产生用于直扩码分多址(DS/CDMA)系统的扩频序列,证明了周期为N的此类扩频序列的偶相关和奇相关均服从均值为0、方差为N的高斯分布.采用混沌扩频序列的CDMA系统的容量与传统扩频序列相同.

In this paper,the odd/even correlation properties of Logistic Map chaotic spread spectrum sequences and the effect of the finite length of the sequences on their odd/even correlation properties are analyzed.A family of new sequences,named EOE Logistic Map chaotic spread spectrum sequences,is proposed.Theoretical analysis shows that the EOE Logistic Map chaotic spread spectrum sequences are better than the original sequences.The results of simulation verifies the correctness of the theoretical analysis.

本文简要分析了Logistic映射混沌扩频序列的奇 /偶相关特性以及序列的有限长度效应对奇 /偶相关特性的影响 ;提出了一种EOELogistic映射混沌扩频序列的构造方法 .理论分析表明 ,EOELogistic映射有限长度扩频序列的奇 /偶相关特性较原序列有所改善 .计算机仿真结果验证了理论分析的正确性

This paper investigates the odd and even correlation properties of logistic map chaotic spread spectrum sequences The concept of the threshold of finite precision is defined By simulation,the approximate formula of the maximum absolute of the odd and even correlation in term of the length of the sequences and the approximate formula of the threshold of finite precision in term of the length of the sequences are obtained

本文分析了Logistic 映射混沌扩频序列的奇/偶相关特性。定义了有限精度门限值概念。通过计算机仿真,得到了最大奇/偶相关绝对值与序列长度的渐近关系式和有限精度门限值与序列长度的经验公式。

 
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