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MATLAB/SIMULINK POWERSYSTEM使用手册，查询PSB模块(MATLAB/SIMULINK POWERSYSTEM user manual query module PSB)

说明：  影像分割 t系数 纹理 相关系数 quick bird 影像(Texture image segmentation correlation coefficient t)

pid ziegler-nichols法实例(a example of ziegler-nichols in pid)

M-PSK Recovery for Modem Design.

A new method for periodic scattering problems using 2nd kind boundary integral equations and the free-space Green s function, adding extra degrees of freedom on the unit cell walls, and imposing quasi-periodicity in an expanded linear system.(A new method for periodic scattering problems using 2nd kind boundary integral equations and the free-space Green s function, adding extra degrees of freedom on the unit cell walls, and imposing quasi-periodicity in an expanded linear system. This avoids the problems with the standard approach, namely: the quasi-periodic Green s function is slow to evaluate, it diverges at Wood s anomalies, and it does not handle large aspect ratios well. Our new approach cures all three issues, and can easily be `wrapped around an existing code (e.g. fast-multipole acceleration) for the isolated-obstacle scattering problem. It includes the latest talk slides: "A new integral representation for quasi-periodic scattering problems in two dimensions")

一个关机恶搞程序，仅供娱乐，其实很简单就用了system函数(A spoof shutdown procedures, for entertainment purposes only, is actually very simple to use system functions)

andoird仿网易的一个demo，使用tabhost实现(A android demo as WangYi client by useing tabhost.)

基于spwm的三相并网逆变器仿真模型，可用于光伏逆变器(Simulation model of three-phase inverter)

新的GA工具箱用于单或多目标优化，MATLAB设计(GA toolbox for single and multi-objective optimization, MATLAB design)

为matlab中求解非线性方程组用到的惩罚函数法，相关研究者可以学下(Penalty function method for solving nonlinear equations used for matlab related researchers can learn)