学科分类
/ 1
1 个结果
  • 简介:Wefirstdesignadiscretehyperchaoticsystemviapiecewiselinearstatefeedback.Thestatesoftheclosedloopsystemarelocallyexpandingintwodirectionsbutabsolutelyboundedonthewhole,whichimplieshyperchaos.Then,weusethreesuchlikehyperchaotiesystemswithdifferentfeedbackgainmatricestodesignapseudo-randomsequencegenerator(PRSG).Throughathresholdfunction,threesub-sequencesgeneratedfromtheoutputofpiecewiselinearfunctionsarechangedinto0-1sequences.Then,followedbyXORoperation,anunpredictablepseudo-randomsequence(PRS)isultimatelyobtained.TheanalysisandsimulationresultsindicatethatthePRS,generatedwithhyperchaoticsystems,hasdesirablestatisticalfeatures.

  • 标签: 离散极混乱系统 分段线性状态反馈 伪随机序列 计算机仿真