variabel_acak_normal_variance

说明：  运用MATLAB语言将矩形波转换成正弦波以及绘制学生成绩图(The use of MATLAB language to convert the rectangular wave sine wave and the mapping of student achievement plans)

说明：  使用BP算法实现异或功能，由matlab编程实现，可正确运行。(BP algorithm using the XOR function, the matlab programming, can be run correctly.)

基于小波变换的图像去噪 基于小波变换的图像去噪基于小波变换的图像去噪基于小波变换的图像去噪(fegfegrhthtjtfhdrggsg)

一个基于ICA的图像分离算法的MATLAB程序，包含了文章，几个源程序，和说明文档。(An ICA-based image separation algorithm MATLAB program, contains articles, a few source code, and documentation.)

计算信噪比，计算公式是信号能量比上噪声能量(SNR Calculation，signal power divide noise power)

这是一段eemd分解的程序，可以直接使用，可用于故障信号的分解，提取故障特征，进行故障判断的一段程序。(This is a eemd decomposition process, can be used directly, can be used to decompose the fault signal fault feature extraction, a procedure for fault judgment.)

说明：  典型混沌系统logistic1D混沌 图像加密代码(chaotic image encrypt)

平面波展开法计算的二维声子晶体带隙，分别是正方与圆形散射体形成正方格子声子晶体，最后输出了能带图的数据，需要自己用画图软件画出来。(Plane wave expansion method to calculate the band gap of two- dimensional phononic crystals, which are square with rounded square lattice formed scattering crystal, the final output of the energy band diagram of the data, so you need to use drawing software drawn.)

Matlab中几个数值积分函数的比较和优缺点介绍

计算大型矩阵重启动的arnoldi的matlab 程序。(large matrix calculations restart of the Matlab arnoldi procedures.)