混沌动力学
- 网络chaotic dynamics
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结构可靠度FORM方法的混沌动力学分析
Chaotic dynamics analysis of form in structural reliability
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Blank在研究混沌动力学时,提出了平均跟踪性质的概念,本文将这一性质拓展到紧致度量空间。
While researching chaotic dynamics , Blank has introduced the average-shadowing property . We extend the property to compact metric space .
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双耦合B类激光器的混沌动力学行为
Chaos Behaviours in Dual Coupled Class - B Laser
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用VB开发Duffing方程混沌动力学系统仿真软件
Simulation Software of Chaos Dynamics System in Duffing Equation Using VB
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应用PSpice模拟混沌动力学系统的方法
Special Methods for Pspice with Applications to Chaos Dynamical Systems
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六辊UC轧机混沌动力学模型的暗线方程与MSS序列分析
Analysis of Dark-lines Equation and MSS Sequences for Six-Rolls-UC Chaotic Dynamics Model
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周期力诱导下Lorentz系统的混沌动力学研究
Investigation on chaotic dynamics of the Lorentz system induced by periodic force
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针对混沌动力学系统建模困难、控制不易实现、存在干扰等特点,在附加动量法的自适应BP网络的基础上,研究了混沌动力学系统的学习控制策略。
Based on adaptive BP NN , A new control method of chaotic dynamical systems that is learning control with a distal teacher is proposed .
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含分段线性项的混沌动力学系统的PSPICE电路模拟
PSPICE Simulation of Chaos Dynamical System Including PWL Elements
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一个类Lorenz系统的混沌动力学分析
Analysis of Chaotic Dynamics of a Lorenz-like System
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本文利用混沌动力学原理,通过混沌时间序列的相空间重构,运用局域预测方法,建立了预测模型。并用其确立的混沌动力学模型对1978~2000年我国GDP进行了预测。
Based on chaotic dynamic principle , phase space reconstruction of chaotic time series and part forecasting , a chaotic phase space model is proposed .
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砂岩强度MTS试验及阶段特征的混沌动力学研究
Research on strength test of sandstone with MTS and its chaotic features in different stages
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由于所得到的动力学微分方程是病态的、强非线性的,采用Gear方法进行数值计算,并在Matlab环境下进行混沌动力学行为分析。
Because the dynamics differential equations are the high of nonlinearity of equations , Gear method is adopted to numerically calculation , and the behavior of chaotic dynamics are analyzed under the Matlab .
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构建了混沌动力学系统的NN模型和NN控制器,对混沌系统在学习的同时施加控制。
Based on the NN model and NN controller , the chaotic dynamical systems are controlled while the parameters of BP NN are modified .
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并用其确立的混沌动力学模型对1985-2004年江苏省GDP、工业生产总值、第一产业值进行了预测。把此预测结果与实际值进行了比较,结果证明误差较小。
The effectiveness of the proposed method is tested by comparison of the real data with the regulative forecasting model for GDP , the gross industrial product , the first-industry product of 1985-2004 in Jiangsu Province .
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对水平管密相气力输送系统的混沌动力学行为进行了分析,对煤粉浓度信号时间序列的最大Lyapunov指数和关联维数进行了计算。
Chaos dynamic behavior of dense phase pneumatic convey system is analyzed in the paper . The maximum Lyapunov exponent and correlation dimension of time series of concentration signals of pulverous coal are calculated .
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采用功率谱分析法和最大Lyapunov指数法,可以评价综放沿空巷道的混沌动力学特征。
The reasonable pillar width is 3 – 5 m. The chaos dynamic feature of fully-mechanized caving roadway can be evaluated according to the application of power spectrum analysis and maximum Lyapunov exponent method .
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进一步,对于双Hopf分支出现的情形,分析了在该临界值及其附近系统轨道拓扑结构的变化,这意味着这样的系统中可能出现拟周期和混沌动力学性质。
Further , we analyse changes of track topology at critical value of double Hopf , which means that such a system might show to be periodic and chaotic dynamics .
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通过在Hopfield神经网络模型(HNN)中引入非线性自反馈项,提出了一种具有暂态混沌动力学行为的神经网络模型。
A neural network model with transient chaotic dynamic behaviors is proposed by introducing a nonlinear self-feedback into canonical Hopfield neural networks ( HNN ) .
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将蚂蚁混沌动力学、群组织和优化机制进行巧妙的结合,本文给出了一种基于群智能理论的新的优化方法,即混沌蚂蚁群算法CAS。
Based on the theory of swarm intelligence , a novel optimization method , called chaotic ants swarm ( CAS ) was developed , which incorporates the chaotic dynamics of ant , swarm organization and optimization principles .
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根据半导体激光器在反馈条件下的速率方程,构造了一个延迟非线性系统,并研究了该系统的混沌动力学特征,包括相轨迹图,最大lyapunov指数和关联维数。
Based on the rate equations of semiconductor lasers with optical feedback , we constructed a delay non-linear system , and studied its chaotic dynamics characters , which included the space trajectory , the largest Lyapunov exponent , correlation dimension .
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本文将G-P算法直接应用于人体行走时产生的加速度信号的混沌动力学研究。
In this paper , the GP algorithm was applied to investigate the chaotic dynamic characteristics of the acceleration signal from human walking .
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给出了混沌动力学的基本概念,重点研究了Logistic混沌系统的动力学性能,并在此基础上提出了数字图像的混沌置乱算法,并对算法给出了仿真实验结果。
The concept of basic chaotic kinetic was introduced , and the Logistic chaotic system of its dynamics property has researched highlight . Based on these work , a digital image scrambling algorithm was proposed . Lastly , experiment results for this algorithm were shown .
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本文对混沌动力学与混沌保密通信进行综述后,采用Matlab仿真技术,系统地分析了典型混沌系统的动力学特性,为设计保密性能更好的混沌保密通信系统奠定了技术基础;
In this paper , in order to prepare the technical basis for designing chaotic secure communication systems with better security , chaos dynamics and chaotic secure communication are surveyed , and the dynamic properties of the typical chaotic systems are analyzed systematically by way of Matlab simulation .
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应用施瓦兹导数及符号动力系统对六辊UC模型的混沌动力学性质进行深入分析,证明该模型经倍周期通向混沌,对特定控制参数得到其周期点的轨道性质及三周期的存在性;
This paper proved that the six roll UC mill model entered into chaos processing through double cycle bifurcations by applying Schwartz differential and symbol dynamics system to the model . The set has got results of derivative (?)
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基于混沌动力学系统相空间的延迟坐标重构及人工神经网络的非线性特性。研究了采用基于自适应投影学习算法的径向基函数网络对实测的EEG信号进行预测。
Based on the delay time phase reconstruction of the chaotic dynamical system and the nonlinear characterization of the neural networks , the prediction of factual EEG signals were investigated by using the radial basis function neural networks with the adaptive projective learning algorithm .
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通过把混沌动力学与收敛力学相结合,使网络逐渐由混沌神经网络向Hopfield网络过度,达到控制混沌的目的,并提供一个在全局最优解附近的值。
Combining chaotic dynamics and convergence mechanics , the neural networks is changed gradually form chaotic NN to Hopfield NN as to control the chaos , and the initial value near global optimal solution is also provided at the same time .
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现利用混沌动力学理论对ATC-40能力谱方法的收敛问题进行分析。
The convergence analysis of the capacity spectrum method in ATC-40 is studied by using the theory of chaotic dynamics .
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本文的研究内容主要分为两大部分,一是混沌动力学、经典Hopfield神经网络及混沌神经网络的理论研究;二是混沌神经网络的应用研究。
The main content of this paper can be divided into two parts : first , the theory introduction of chaos , the classical Hopfield neural networks and the chaotic neural network ; second , the applications of the chaotic neural network .
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Bowley模型的混沌动力学分析
Chaotic Dynamic of Bowley Model