基于级联空间混沌系统的选择图像加密算法是在将上述算法结合选择图像加密后提出的。
We combine the above algorithm with selective image encryption and propose a selective image encryption based on couple chaotic systems.
电力负荷的混沌预测是建立在重构电力负荷序列的相空间基础之上的。
The chaotic forecasting of power load is based on reconstructing phase space of the power load series.
对这个模型指定极端的参数价值,这个团队能够发现超越时间空间的混沌行为。
Assigning extreme parameter values to the model, the team was able to find chaotic behavior in space over time.
随着人类社会步入信息社会,人类面临“信息爆炸”、“混沌信息空间”和“数据过剩”带来的巨大压力。
When human society has come into an information age, people faced great stress brought by "information Explosion", "information Chaotic Space" and "Data Glut".
数值测试表明,按混沌理论优选的延时时间和嵌入相空间的维数一般不是负荷预测的最适合参数。
Numerical simulation test shows that the delay time and embedded space dimension given by chaos theory usually are not the best ones for load forecasting.
本文对混沌时间序列分析中的相空间重构技术进行了分析和评价,总结了国内外学者的研究进展,并展望了未来的研究方向。
The technology of state space reconstruction used in chaotic time series analysis is remarked in this paper, and progress of the research is summarized, also the research of future is prospected.
最突出的一个是混沌空间的多种播放模式海军陆战队。
The most prominent one is the Chaos Space Marines in the multi-player mode.
三维相空间是混沌和急动度之间的重要联系纽带。
Three-dimensional phase space is an important relation link between chaos and jerk.
当能量增加到鞍点能时,几乎所有的相空间轨迹都是混沌的。
When the energy is increased to the saddle point energy, nearly all the phase space trajectory is chaotic.
混沌信号高度的初值敏感性,使得密钥具有非常大的取值空间。
The key space is considerable large because of chaotic signal's high sensitivity to initial values.
研究表明,通过在空间分立点加上自然频率的时间周期信号,可以控制时空混沌运动。
By adding temporal periodic signal with natural frequencies to discrete spatial points, the spatiotemporal chaos can be suppressed successfully.
提出了一种基于混沌相空间重构理论的优化近邻点局部线性化跳频预测方法。
Based on the theory of chaos phase space reconstruction, a local linear forecasting approach on selecting the optimal neighbor points is presented in this paper.
利用奇异系统分析方法研究了低信噪比混沌信号的相空间重构。
The state space reconstruction of chaotic signals having low S/N ratio was investigated by means of Singular System Analysis (SSA).
当代商业空间不可避免的受其影响,呈现出“混沌”的倾向。
The Contemporary commercial space is inevitably affected, presenting a "chaos" tendency.
本文讨论一类传染病模型的空间周期解及混沌问题。
The space periodic solution and chaos of a class of infectious disease model are discussed in this paper.
本文提出一种基于多模型的混合混沌系统,它具有加密速度快,密匙空间大,不容易破解的优点。
This paper offers a compound chaotic system based mutiple model used as sequence cipher, which has a high encryption speed, a large key space and is difficult to crack.
这两个问题重构相空间受到强烈的噪声干扰,而无法用来表征系统的混沌特征。
These two problems make the phase space reconstructed suffer a heavy noise disturbance so that it can not be applied to characterize the chaotic system.
对任给的能量函数,混沌为在状态空间搜索最小值而提供的混沌演化系统能很容易的建立。
For a given energy or cost function, a chaotic evolution system in which chaos provides a scheme for searching the minima of the energy function in the state space can be constructed easily.
该算法将测试向量空间映射到混沌空间并采用混沌搜索来寻找一对符合要求的测试向量对。
The algorithm maps test vector space to the chaotic space and USES chaotic search to find out the suitable testing pairs.
该算法利用改进FAN算法的反向蕴涵部分激活故障并将测试向量空间映射到混沌空间,采用混沌搜索来确定未确定的测试向量位。
The algorithm used backward implication in improved FAN algorithm to activate fault and mapped test vector space to the chaotic space, adopted chaotic search to find out the suitable testing pairs.
在股价时序数据不存在噪音的假设前提下,利用相空间重构技术对中国股票市场的混沌与分形特征进行实证研究。
Under the hypothesis of empty of noise, utilizing technology of phase-space reconstruction to empirically study the chaos and fractal feature of China stock market.
籍此,有序空间相位斑图对应线性和线性-非线性机制;而混沌相位斑图则对应非线性机制。
It is implied that ordered phase-patterns correspond to linear and linear-nonlinear mechanisms, but chaotic ones are related to nonlinear mechanism.
主要研究内容和研究成果包括:(1)结合混沌相空间轨迹特性进行混沌信号噪音滤除的方法研究。
The main research contents and research conclusions are listed as follows. (1) Method study on chaotic noise reduction combining with the attractor trajectories features in phase space.
提出了一种将混沌的相空间重构、小波包分析和神经网络相结合的新方法用于预测气-固循环流化床的颗粒浓度。
A new hybrid method for prediction of solids holdup in gas-solid circulating fluidized bed is proposed based on chaos phase reconstruction and wavelet package as well as neural networks.
重构合适的相空间,使空间轨道充分展开是进一步混沌序列预测的前提。
Reconstructing proper ph ase space to spread space orbit completely is the precondition of further chaotic series forecasting.
数值模拟表明,随着参数的改变,空间扩展系统由均匀稳态、行波解向时空混沌演化。
Numerical simulations show that the spatially extended system has the homogeneous stationary states, the traveling wave solutions and the spatiotemporal chaos states with the change of its parameters.
采用了基于群体适应值方差的早熟判断机制,同时提出了一种缩小混沌搜索的变量空间范围的新方法,提高了搜索效率。
The method of judging the local convergence by the variance of the population's fitness and reducing the searching space of variable optimized is proposed, which enhances the searching efficiency.
提出了分别利用时间和空间的周期脉冲扰动,实现开流系统时空混沌控制的方法。
The paper presents a method of controlling the open flow that works by applying spatial and temporal periodic pulses to the system variables.
在水文预测中,应用混沌分析方法需解决相空间重构、时间序列的混沌性识别和混沌时间序列预测等关键技术。
In hydrological prediction, it is necessary that t he reconstruction of chaotics Tate space and the diagnosis of chaotic behavior as well as the chaotic pre diction are solved.
基于变分贝叶斯及相空间重构理论,提出了含噪混沌时间序列相空间域线性回归预测模型。
We present a linearly regressive prediction model for noisy chaotic time series phase space based on variational Bayesian and phase space reconstructive theory.
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