Pseudo-Random Sequences Generator Based on Discrete Hyperchaotic Systems-中国期刊网

摘要 Wefirstdesignadiscretehyperchaoticsystemviapiecewiselinearstatefeedback.Thestatesoftheclosedloopsystemarelocallyexpandingintwodirectionsbutabsolutelyboundedonthewhole,whichimplieshyperchaos.Then,weusethreesuchlikehyperchaotiesystemswithdifferentfeedbackgainmatricestodesignapseudo-randomsequencegenerator(PRSG).Throughathresholdfunction,threesub-sequencesgeneratedfromtheoutputofpiecewiselinearfunctionsarechangedinto0-1sequences.Then,followedbyXORoperation,anunpredictablepseudo-randomsequence(PRS)isultimatelyobtained.TheanalysisandsimulationresultsindicatethatthePRS,generatedwithhyperchaoticsystems,hasdesirablestatisticalfeatures.

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Pseudo-Random Sequences Generator Based on Discrete Hyperchaotic Systems

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Pseudo-Random Sequences Generator Based on Discrete Hyperchaotic Systems

来源期刊

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