M2_M4_variance

世博会城市距离模型，主要来算球面的最近距离，曲线到点的距离等(Expo City distance model, the main sphere to the most recent count from the curve the point of distance)

A.Guide.to.MATLAB.for.Beginners.and.Experienced.Users matlab英语入门教材，数值软件必备(A.Guide.to.MATLAB.for.Beginners.and.Experienced.Users matlab English entry materials, numerical software necessary)

首先对图像进行了边缘检测，设计相应的结构元素对图像进行腐蚀，再进行图像聚类和填充图像。(First, the image edge detection, the design of structural elements corresponding to the image etched image clustering and then fill the image.)

median filter for image in c

这是一个电力系统信号，其中频率为200和300.应用付立叶变换并求频谱图 (This is a power system signal, including frequency of 200 and 300 apply Fourier transform and spectrum requirements)

一个小波去噪MATLAB程序， 分别对语音高低频进行去噪(MATLAB a wavelet denoising procedure, respectively, the noise of low and high frequency voice)

电机，矢量模型可用于电机模型的建立，是矢量控制的函数(i am sorry，my englis poor)

光电综合实验，平行平面腔的数值迭代解法，即Fox_Li数值迭代法。对于之前网上某位仁兄给出的代码给出了优化，主要是使用了一个子函数，使得代码清晰容易阅读。而且拥有GUI界面也更像做程序这件事情。---南邮某学子(Fox_Li numerical iteration. A short and smart program in Matlab, as well optimized in the aspect both of code and execution.)

萤火虫算法，一种新颖的群优化算法，目前比较流行的有两种，一种是FA，一种是GSO，本代码试GSO的实现(glowworm swarm optimization)

移相控制隔离型半桥双向DC到DC变换器的仿真模型(Phase shifting control isolation half bridge bi-directional DC to DC converter simulation model)