matlab_prog

几个非线性系统学习的源码，包括李雅普诺夫指数，洛伦兹吸引子的画法，boost开关变换器，分叉图等等，适合非线性系统的学习仿真(Several of the source study of nonlinear systems, including Lyapunov exponents, Lorenz attractor painting, boost switching converter, bifurcation map, etc., suitable for simulation study of nonlinear systems)

说明：  PMP强化记忆手册2008版本，很好的资料：）(Enhanced memory PMP Manual 2008 edition, very good information:))

it is about direct load flow in simple power system.

说明：  伽辽金无网格法求解一维问题的MATLAB代码，内附2个子程序。(the method of glarkin meshless)

addmitance matrix for solving load flow analysis

关于锁相环路的相关仿真，描绘的是一阶锁相环，二阶及三阶的各个特性。(PLL simulation, depicted is a first-order phase-locked loop, the second-order and third-order characteristics.)

boiler model in simulink for control theory

小波包分析提取振动信号中的特征频率，使用混沌与分形分析的例程，有井曲线作为输入可计算其地震波的衰减。( Wavelet packet analysis to extract vibration signal characteristic frequency, Use Chaos and fractal analysis routines, There is a well attenuation curve as input to calculate its seismic waves.)

可靠的指纹图像细化处理算法，采用opta(Reliable fingerprint image thinning algorithm, using opta)

利用matlab在图像中加入各种随机噪声，包括调用函数，以及randn使用、以及介绍send和state的区别。(Using matlab to join all kinds of random noise in the image, including the calling function, and randn use, as well as the introduction of the difference between send and state.)