zhenghui

Save a figure as a clean pdf file ready for publication

图像增强的小程序，通过修改阈值即可对多数图像进行对比度调整(Small image enhancement procedures, by modifying the thresholds for most images to adjust contrast)

说明：  太阳能发电，用于光伏并网的逆变器设计，很好用，PI调节，闭环(Solar power for grid-connected solar inverter design, easy to use, PI regulation, closed loop)

this zip file used to subtract the background

是tsp遗传算法，详细的描述其进行的过程，可以使人很容易理解。(TSP genetic algorithm, a detailed description of its process, can make it easy to understand.)

说明：  该文件是基于simulink与matlab结合的DQPSK系统仿真，最终结果为信噪比--误码率曲线图。(The file is based on Simulink and MATLAB combined DQPSK system simulation, the final result is signal to noise ratio - bit error rate curve.)

可求解二维变量矩阵的超松弛迭代方法,因此所求解未知量可为二维矩阵。(It is a SOR solver which can be used to solve the 2D unknowns matrix.)

matlab区域增长法法进行图像边缘检测(region growing method matlab edge detection method)

A guide to using MATLAB for beginners and experienced users

说明：  一段用于光谱分析波段选择的连续投影算法matlab代码(A section for spectral analysis band selection continuous projection algorithm matlab code)