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混沌复杂性
相关语句
  complexity of chaos
     PRESERVING THE COMPLEXITY OF CHAOS AND ITS MEANING IN BIOLOGY
     保护混沌复杂性及其在生物学中的意义
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  相似匹配句对
     Complex, Complexity and Onset of Chaos
     复杂、复杂性混沌边缘
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     COMPLEXITY AND CHAOTIC DYNAMICS OF ROCK FAULTING
     岩石断裂作用的复杂性混沌动力学
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     Chaotic Signals Processing
     混沌信号处理
短句来源
     Complexity and post-modernism(Part Ⅰ)
     复杂性和后现代主义(上)
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     Mysterious Chaos
     奇妙的混沌
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In this paper, a sequence encryption method based on chaos is proposed. This method improves the complexity of chaos by randomly changing the parameter of discrete chaotic map. At the same time, by introducing proper perturbation, the chaotic sequence has the good self-correlation property, uniform distribution property and random statistical property under the finite precision in real application.The result of our study shows that this method is fine in security and can be realized easily in software or hardware....

In this paper, a sequence encryption method based on chaos is proposed. This method improves the complexity of chaos by randomly changing the parameter of discrete chaotic map. At the same time, by introducing proper perturbation, the chaotic sequence has the good self-correlation property, uniform distribution property and random statistical property under the finite precision in real application.The result of our study shows that this method is fine in security and can be realized easily in software or hardware.

提出一种基于混沌的序列密码生成方法,该方法通过随机改变混沌映射的参数来提高混沌的复杂性。同时在有限精度实现时,通过引入扰动序列使得输出的混沌序列具有良好的自相关性、均匀分布特性和随机统计特性。理论研究和模拟结果表明,该混沌序列加密方法具有较好的保密性,并且便于软硬件实现。

Chaotic systems are sensitive to initial conditions and chaotic parameters, and the chaotic sequences are non periodic and pseudo random. These properties of chaotic systems are suitable for the sequence encryption. But under the finite precision in practical application, the period and the complexity of the chaotic sequence are hard to determine, depending on different initial conditions and parameters. In this paper, a sequence encryption method based on chaos is proposed. The method makes full use of the...

Chaotic systems are sensitive to initial conditions and chaotic parameters, and the chaotic sequences are non periodic and pseudo random. These properties of chaotic systems are suitable for the sequence encryption. But under the finite precision in practical application, the period and the complexity of the chaotic sequence are hard to determine, depending on different initial conditions and parameters. In this paper, a sequence encryption method based on chaos is proposed. The method makes full use of the chaotic properties. By randomly changing the parameters of discrete chaotic map, the method can improve the complexity of chaos and the anti broken strength for chosen plain texts, and enlarge the sequence period. With the introducing of appropriate perturbation aimed to change the initial conditions, the chaotic sequence has the good self correlation property, uniform distribution property and random statistical property under the finite precision in practical applications. In order to facilitate the realization of the method mentioned above, we use m sequences as the parameter sequence and the perturbation sequence. The theoretical study shows that the period of the chaotic sequence generated by this method can be measured with the product of the period of the parameter sequence and the period of the perturbation sequence. In practical applications, users can choose the appropriate m sequences as parameter sequences and perturbation sequences, according to their different requirements for security. In this paper, the software pseudo code implemented in programming and the hardware structures implemented in hardware are included, and how each part of the hardware works and cooperates is explained in details. The computer simulation results also show that the chaotic sequence has good cryptography properties. Therefore, this method is fairly good in security and can be implemented easily in both software and hardware.

由于混沌系统对初始条件和混沌参数非常敏感以及生成的混沌序列具有非周期性和伪随机性的特性 ,近年来混沌系统在密码学领域中得到了较多研究 .该文提出一种基于混沌的序列密码生成方法 ,该方法通过随机改变混沌映射的参数来提高混沌的复杂性 .同时在有限精度实现时 ,通过引入扰动序列使得输出的混沌序列具有良好的自相关性、均匀分布特性和随机统计特性 ,而且其周期可用混沌参数改变的周期与扰动序列的周期的乘积来度量 .理论研究和模拟结果表明 ,该混沌序列加密方法具有较好的保密性并且便于软硬件实现

From the seventeenth century to the late twentieth century, there emerged a modern science paradigm, which was based on the doctrines established by such scientists as Galileo, Bacon, Descartes and Newton, with mechanism, determinism and reductionism as its characteristics. The modern science paradigm had so obvious limitations that it was criticized and questioned by many scientists and philosophers in the twentieth century. In the meantime, a postmodern science paradigm, based on organism, indeterminacy, chaos,...

From the seventeenth century to the late twentieth century, there emerged a modern science paradigm, which was based on the doctrines established by such scientists as Galileo, Bacon, Descartes and Newton, with mechanism, determinism and reductionism as its characteristics. The modern science paradigm had so obvious limitations that it was criticized and questioned by many scientists and philosophers in the twentieth century. In the meantime, a postmodern science paradigm, based on organism, indeterminacy, chaos, complexity and entropy, began to take form. Modern science and postmodern science respectively embody two different modes of thinking, that is, reductionism and holism. Since the two modes of thinking have their own insuperable limitations, a tension should be kept between them.

从 17世纪到 2 0世纪晚期 ,在伽利略、培根、笛卡尔和牛顿等所创建理论的基础上 ,出现了一种以机械论、决定论和还原主义为特征的现代科学范式。这种科学范式的局限性日趋明显 ,在 2 0世纪受到一大批科学家和哲学家的批判和质疑。与此同时 ,一种以有机论、非决定论、混沌、复杂性和熵等理论原则为基础的后现代科学范式日渐成型。现代科学和后现代科学分别体现的是还原论和整体论的思维方式。由于二者都具有自身难以克服的局限性 ,所以应使二者之间保持必要的张力

 
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