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为提高伪随机序列的动力学性质,利用有限群上的随机行走理论,提出了用动态S盒对基于混沌轨道编码模型的伪随机序列发生器产生的伪随机序列进行变换的方法,从而构造出一种新型混沌伪随机序列发生器——基于动态S盒的混沌伪随机序列发生器.这种发生器不仅保持了混沌伪随机序列的均匀性和独立性,而且增强了伪随机序列动力学性质的复杂性,克服了已有混沌伪随机序列的动力学性质比较简单的缺点.
In order to improve the dynamic properties of the pseudo-random sequence, a method of transforming the pseudo-random sequence generated by the pseudo-random sequence generator based on the chaotic orbit coding model with the dynamic S-box is proposed based on the theory of random walking on finite groups. A Novel Chaotic Pseudo Random Sequence Generator - Chaotic Pseudo Random Sequence Generator Based on Dynamic S-Box. This generator not only maintains the uniformity and independence of chaotic pseudo-random sequence, but also enhances the dynamic properties of pseudo-random sequence The complexity of the chaotic pseudo-random sequence to overcome the chaotic pseudo-random sequence of the relatively simple nature of the shortcomings.