Description: 此程序用于画混沌系统的相图及其庞加莱截面，使用时只需要写出相应的混沌微分方程，便可画出相应的图。-This procedure for drawing the phase diagram of chaotic systems and its Poincare section, when used only need to write the corresponding chaotic differential equations, will be able to draw the corresponding graph. Platform: |
Size: 1024 |
Author:唐道平 |
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Description: 基于Matlab对约瑟夫森结（Josephson Junction）RCSJ模型的交直流I-V特性及非线性混沌现象进行数值模拟。通过计算机数值模拟得到该模型的非线性微分方程数值解，研究了RCSJ模型中各参量对约瑟夫森结的影响，进而简要分析其I-V特性和非线性混沌现象的产生机理，绘制出约瑟夫森结的交直流I-V特性曲线、非线性微分方程的相图及因其高度非线性而引起的通过倍周期分岔和阵发性原理进入混沌状态的分岔图。还给出庞加莱截面及功率谱。-Matlab based on the Josephson junction (Josephson Junction) RCSJ model AC and DC IV characteristics and non-linear numerical simulation of chaotic phenomena. Through computer simulation model by the numerical solution of nonlinear differential equations to study the RCSJ model parameters on the impact of Josephson junction, and a brief analysis of the IV characteristics and the emergence of the phenomenon of non-linear chaotic mechanism, drawn Josephson junction IV characteristic curve of AC-DC, non-linear differential equations and the phase diagram because of its highly nonlinear arising through period-doubling bifurcation and chaotic state of paroxysmal principle of access to the bifurcation diagram. Poincare cross-section and was also given power spectrum. Platform: |
Size: 20865024 |
Author:Ellison |
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Description: 摘要：本文基于Matlab对约瑟夫森结（Josephson Junction）RCSJ模型的交直流I-V特性及非线性混沌现象进行数值模拟。通过计算机数值模拟得到该模型的非线性微分方程数值解，研究了RCSJ模型中各参量对约瑟夫森结的影响，进而简要分析其I-V特性和非线性混沌现象的产生机理，绘制出约瑟夫森结的交直流I-V特性曲线、非线性微分方程的相图及因其高度非线性而引起的通过倍周期分岔和阵发性原理进入混沌状态的分岔图。
关键词：超导器件 隧道效应 约瑟夫森结 弱耦合 倍周期分岔 庞加莱截面 混沌
-Abstract: Matlab-based Josephson junction on the (Josephson Junction) RCSJ model AC and DC IV characteristics and non-linear numerical simulation of chaotic phenomena. Through computer simulation model by the numerical solution of nonlinear differential equations to study the RCSJ model parameters on the impact of Josephson junction, and a brief analysis of the IV characteristics and the emergence of the phenomenon of non-linear chaotic mechanism, drawn Josephson junction IV characteristic curve of AC-DC, non-linear differential equations and the phase diagram because of its highly nonlinear arising through period-doubling bifurcation and chaotic state of paroxysmal principle of access to the bifurcation diagram. Key words: superconducting devices tunnel effect Josephson junction weakly coupled period-doubling bifurcation chaotic Poincare section Platform: |
Size: 193536 |
Author:Ellison |
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Description: 利用混沌振子检测微弱正弦信号，以duffing系统为例，采用的梯形积分积分求取微分方程-Detection of chaotic oscillator using weak sinusoidal signal to duffing system as an example, using the trapezoidal integration points to strike a differential equation Platform: |
Size: 1024 |
Author:高清山 |
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Description: 最近研究混沌电路设计，这个是混沌电路的入门，对基本元件（微分器，放大器，乘机器）的原理进行讲述，并给出一个混沌和超混沌系统的电路设计。-Recent studies have chaotic circuit design, this is a chaotic circuit to introduce the basic components (differential, amplifier, took the opportunity to device) is about the basic principles involved, and gives a chaotic and hyperchaotic systems circuit design. Platform: |
Size: 262144 |
Author:cbzeng |
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Description: 这是本人自己写的关于混沌微分进化算法的源码和一篇关于混沌微分进化算法的文献，希望对初学者有一定帮助。-This is my own writing on the chaotic differential evolution algorithm source and a differential evolution algorithm on the chaos literature, hoping there will certainly be helpful for beginners. Platform: |
Size: 125952 |
Author:程心环 |
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Description: matlab程序模拟微分方程。各种流行的系统显示混沌运动特征。-This toolbox contains the functions which can be used to simulate some of the well-known fractional order chaotic systems, such as:
- Chen s system,
- Arneodo s system,
- Genesio-Tesi s system,
- Lorenz s system,
- Newton-Leipnik s system,
- Rossler s system,
- Lotka-Volterra system,
- Duffing s system,
- Van der Pol s oscillator,
- Volta s system,
- Lu s system,
- Liu s system,
- Chua s systems,
- Financial system,
- 3 cells CNN.
The functions numerically compute a solution of the fractional nonlinear differential equations, which describe the chaotic system. Each function returns the state trajectory (attractor) for total simulation time. Platform: |
Size: 16384 |
Author:HM |
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Description: 此程序用于画混沌系统的相图及其分叉图，使用时只需要写出相应的混沌微分方程，便可画出相应的图-This procedure for drawing the phase diagram of chaotic systems and its Poincare section, when used only need to write the corresponding chaotic differential equations, will be able to draw the corresponding graph. Platform: |
Size: 43008 |
Author:李小飞 |
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Description: 将离散约束优化问题转化为非负整数约束规划问题，开发求解该问题的离散差分进化算法。该算法采用基于混沌映射
的种群初始化、双版本变异和带随机扰动项的取整运算等新策略。针对非线性约束条件，给出惩罚基数的计算方法和连续映
射基函数的表达式，在此基础上设计处理非线性约束的自适应惩罚因子。提出一种刻画种群多样性的新测度——种群二次平
均基因距离及基于新测度的依概率混沌移民算子。将自适应罚函数法、依概率混沌移民操作与离散差分进化算法有机融合，
构造面向工程约束优化的混合离散差分进化算法。对 3 个离散约束优化实例进行验证，结果表明，混合算法具有良好的鲁棒
性且优于离散粒子群算法。应用混合算法求解斜齿圆柱齿轮传动优化设计问题，结果优于遗传算法及其改进算法、离散粒子
群算法，目标函数值较遗传算法及其改进算法分别下降41 和10-The constrained discrete optimization (CDO) is transfor med into a nonlinear constrained non-negative integer
programming (CNIP) which can be solved by the proposed discrete differential evolution (DDE) algorithm that adopts several
improvements such as the chaotic initialization of a population, the double-scheme mutation, and the integrating operator with
stochastic perturbation. Aiming at the nonlinear constraints, th e calculating approaches for the base penalty and the formula f or the
base function of continuous mapping are carried out, and self-adaptive penalty factors based on these notions for handling cons traints
are presented. It is studied that a novel measure, termed as a quasi re-averaging gene distance for a population, is employed t o depict
the diversity of the population and chaotic immigration operato rs depending on this measure a nd the probability are implemented to
preserve the population diversity. Orientating constrained engineering optimizati Platform: |
Size: 927744 |
Author:吴胜亮 |
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Description: 计算分数阶微分方程lypunov指数，确定混沌系统的混沌状态。-Calculated fractional differential equations lypunov index to determine the chaotic state of the chaotic system. Platform: |
Size: 1024 |
Author:方琼 |
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Description: 此程序用于画混沌系统的相图及其庞加莱截面，使用时只需要写出相应的混沌微分方程，便可画出相应的图。-This program is used to draw the phase diagram of the chaotic system and its Poincare, use only need to write the corresponding chaotic differential equations can draw the corresponding diagram. Platform: |
Size: 12288 |
Author:龚平 |
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Description: 通过4阶龙格库塔方法求解混沌系统的微分方程-Through four order Runge-Kutta method for solving differential equations of chaotic systems Platform: |
Size: 3072 |
Author:刘晓 |
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Description: In order to model the chaotic motion of the double pendulum,i am going to use Matlab solving the problem using numerical methods such as Rung-Kutta and Ordinary Differential Equations (ODE).-In order to model the chaotic motion of the double pendulum,i am going to use Matlab solving the problem using numerical methods such as Rung-Kutta and Ordinary Differential Equations (ODE). Platform: |
Size: 2048 |
Author:osenam |
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