zhengyan

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)

系统辨识与自适应控制MATLAB仿真 系统辨识/自适应控制/matlab仿真/源程序(System identification and adaptive control MATLAB simulation Adaptive system identification/control/matlab simulation/source)

basic calculator using matlab...with GUI

此程序的功能是用自相关法求使信号s均方预测误差为最小的预测系数 算法为Levinson-Durbin快速递推算法 (The function of this procedure is signal s with autocorrelation method for the prediction of the minimum mean square prediction error coefficient algorithm for Levinson- Durbin quick recursion method)

power_turbine.rar,功率电子领域matlab仿真文件，已经验证过，程序运行正常(power_turbine.rar,Power electronics field matlab simulation file, has already been verified, the normal operating procedures)

假设一个接收到的信号为：x(t)=s(t)+n(t), 其中s(t)=A*cos(wt+a), 已知信号的频率w=1KHz， 而信号的幅度和相位未知，n(t)是一个服从N(0,1)分布的白噪声。为了利用计算机对信号进行处理， 将信号按10KHz的频率进行采样。 通过对x(t)进行LMS自适应信号处理，从接收信号中滤出有用信号s(t). 在未知信号频率的情况下，通过对x(t)进行LMS自适应信号处理，从接收信号中滤出有用信号s(t). (Assuming a received signal: x (t) = s (t)+ n (t), one of s (t) = A* cos (wt+ a), the known frequency signal w = 1KHz, And the signal amplitude and phase of the unknown, n (t) is a subject to N (0,1) the distribution of white noise. The use of computers in order to deal with the signal, The signal by sampling frequency of 10KHz. Of x (t) for LMS adaptive signal processing, filtering from the received signal in the useful signal s (t). Frequency signals in unknown circumstances, the adoption of x (t) for LMS adaptive signal processing, filtering from the received signal in the useful signal s (t).)

《雷达信号分析》ppt,南京理工大学 朱晓华 教授 博士生导师 主讲 比较经典 希望对大家有帮助("Radar signal analysis" ppt, Nanjing University of Science PhD supervisor Professor Zhu Xiaohua more classic speakers we want to help)

chapter 3 of the fdtd method for electromagnetics with matlab simulations

时滞系统PID控制的matlab仿真源代码。适合入门学习。(Basic PID control matlab simulation source code. Suitable for study entry.)

发送单极性码元，经过升余弦滚降，画出功率谱和眼图。(this code, or after Cosine paint power spectrum and eye diagram.)