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- discrete chaotic map 离散混沌映射
- An audio information hiding technology in DWT(discrete wavelet transform) domain based on chaotic map and modified Patchwork algorithm is presented. A piece of secret speech is hidden in the host audio signal,and can be recovered without loss. 基于混沌映射和改进patchwork算法的DWT(discretewavelettransform)域音频信息隐藏技术,实现保密语音在音频信号中的隐藏与恢复。
- An improved watermarking algorithm of odd-even quantification based on chaotic map is proposed. 提出了一种基于混沌映射的改进奇偶量化水印算法。
- Based on the fact that the tracking error asymptotically approaches zero, a new nonlinear delayed feedback control approach of discrete chaotic systems is presented. 以跟踪误差渐进趋近于零为基础,提出了一种新的离散混沌系统延时反馈控制方法。
- The chaotic signals were generated based on iterating the piecewise linear chaotic map (PLCM) with a segment number parameter (SNP). 使用一类区间数目参数化的分段线性混沌映射,通过多次迭代此类映射产生混沌信号。
- This paper discusses and curry out an encryption algorithm based on one-dimensional chaotic map,which have good security and practicability. 本文设计了一种基于混沌理论和单表置换加密方法的一维混沌表加密算法。
- The proposed scheme is exploiting the high sensitivity on initial value of chaotic map, can localize the tampers on the watermarked image. 利用混沌对初值极端敏感性的特点,能够定位检测对加入水印图像的窜改,并且水印提取不需要原始图像。
- A new pseudo-random sequence based on chaotic map was proposed, which can avoid the accumulated effect of round-off errors caused by iterating the map. 摘要提出了一种新的基于混沌系统的伪随机序列,该序列能有效避免迭代过程中舍入误差积累的影响;
- Knowing only an approximate unstable period orbit(UPO) embedded in a discrete chaotic attractor, this paper addresses the problem of system stable state in terms of using linear feedback control method. 讨论当已知存在于混沌吸引子中的近似周期轨道,用变量反馈控制方法进行控制时系统稳定状态的情况。
- A spatiotemporal chaotic map is digitized to develop a highly paralleled PRBS generator that accommodates to FPGA (Field Programmable Gate Array) implementation in present paper. (译):阿时空混沌地图是数字化发展的高度并行PRBS发生器,可为FPGA的(现场可编程门阵列)执行本文件。
- To overcome finite word length effects and improve its resistance to the attack of crypt analysis, a chaotic map as a private key is added to the existing chaotic watermarking systems. 该方法在现有的混沌数字水印系统基础上 ,增加一个混沌映射作为私有密钥来克服有限字长效应和提高算法的抗破译性。
- Realization of discrete chaotic circuits 离散混沌电路的实现
- The numerical experiments show that the proposed synchronization scheme need not decompose the chaotic map and has advantages of fast synchoronization and wide range of applications etc. 理论分析和数值实验结果表明,该同步方法不需要分解系统,具有适用面广、同步速度快等优点。
- composite discrete chaotic iteration system 复合离散混沌迭代系统
- A bit chain from the chaotic orbit is generated, and the position at which a plaintext block appears in the chain is found.Then record the number of iterations of the chaotic map as the cipher block. 即以混沌系统的控制参数和初始点为密钥,迭代混沌映射以便产生一个比特链,在该比特链中搜索明文分组,记下迭代次数作为密文分组。
- Composite discrete chaotic system 复合离散混沌系统
- The performance analysis of chaotic Frequency-Hopping (FH) sequences, which are generated by quantization function and reshaping operation based on chaotic map, is presented in this paper. 对一类基于混沌映射,由混沌轨道多值量化和比特抽取相结合产生的跳频序列进行了性能分析。
- two-dimensional discrete chaotic 二维离散混沌
- Secondly, the discrete imaging, automation network models, symbol dynamics and discrete chaos of discrete dynamic system of digital human body were analyzed. 然后分析了包括离散映射、自动器网络模型、符号动力学和离散混沌的数字人体离散动态系统;
- The improved piecewise linear chaotic mapping is presented to generate the spreading codes for DS-CDMA system in this paper. 摘要本文提出用改进型分段线性混沌映射来产生DS-CDMA系统的直扩码;