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solar diode model for solar chaterstics

说明：  反正切函数的变步长算法,能实现反正切函数的变步长的仿真！(Arc tangent function, variable step-size algorithm)

图像的结构相似度，代码来源于Zhou Wang的网站，用 matlab开发。(Image structure similarity, code from Zhou Wang' s website, matlab development.)

基于电网电压定向的三电平并网逆变器的研究(And the three-level inverter grid voltage oriented network based on)

二维的克吕金插值，适用于地学类等领域，使用方便(Two-dimensional krig interpolation, applied geosciences)

一款很不错的MATLAB优化视频教程，讲述详细，希望用得着的快快分享(A very good video tutorial of MATLAB optimization, described in detail, I hope to share useful for quickly)

彩色图像的边缘检测matlab程序，具有很高的参考价值(Color image edge detection matlab program, has a high reference value)

该文件包含了8psk调制信号的产生，以及经过多径瑞利信道后，前后对比的星座图，经过CMA均衡算法后输出信号，能对均衡算法有更深的认识。(This file contains the generated 8psk modulation signal and multipath Rayleigh channel after, before and after the constellation, after CMA equalization algorithm output signal, capable of balancing algorithms have a better understanding.)

说明：  matlab的桁架有限元分析程序，包含注释，十分详细(Finite element analysis program of truss based on MATLAB)

四元数表示的，用于matlab仿真的工具箱。通过它，可以掌握四元数的一些特征。(quaternion said, for the simulation of Matlab Toolbox. Through it, we can get quaternion some characteristics.)