湖南大学学报(自然科学版)2013,Vol.40Issue(4):65-70,6.
具有不可预测性的物理混沌随机序列的产生与随机性统计测试分析
Test and Comparison Analysis on Properties of Random Sequences Generated by Unpredictable Physical Chaos
摘要
Abstract
Two methods of generating random sequences by several typical physical chaotic systems,including Chugs circuit,Lorenz system and Chen's system,were given.And the randomness properties of the random sequences generated by the chaos systems were analyzed by using NIST's STS randomness test suite.Six tests,which are the monobit test,the runs test,the discrete Fourier transform test,the approximate entropy test,and the cumulative sums test,were conducted to compare the pseudorandom properties of these chaotic sequences.The experiment results show that the randomness properties of the sequences generated by physical chaos are better than those by simulation chaos,and NIST's STS randomness test suite can distinguish the randomness of different sequences.Among three typical physical chaotic circuits,we recommend the circuit of Chen's system to generate random sequences.关键词
混沌系统/随机过程/统计特性Key words
chaotic systems / random processes / statistical tests分类
信息技术与安全科学引用本文复制引用
骆开庆,丘水生,晋建秀..具有不可预测性的物理混沌随机序列的产生与随机性统计测试分析[J].湖南大学学报(自然科学版),2013,40(4):65-70,6.基金项目
国家自然科学基金资助项目(61101014) (61101014)