leach

读入一幅256*256图像，将它分成8*8pixel的若干块，对每块做DCT变换，保留Z型顺序的若干变换系数，进行IDCT重构图像，计算重构图像的信噪比(Reading a 256* 256 image, it will be divided into several blocks of 8*8 pixel, keep each optimal Z transformation of sequence number, IDCT transform coefficient calculation reconstruction image reconstruction images,and the signal-to-noise ratio)

这软件是用pisarenko方法、music方法、esprit方法来估计频率。(This software is used pisarenko way, music methods, esprit method to estimate the frequency.)

matlab algorithm matlab教程 matlab随机码生成(matlab algorithm)

BUCK的simulink开环程序，有兴趣的可以看一下 (buck open loop perform)

该上传为数字图像处理实验资料，包括实验原理和实验程序，有四个实验：图像的显示和视觉特性，图像的变换与量化实验，图像压缩综合实验，图像增强实验。可供朋友们学习数字图像处理方面参考。(The uploading of digital image processing experimental data, including the experimental principle and the experimental procedure, there are four experiments: an image display and visual characteristics, image transform and quantization experiments, a comprehensive experimental image compression, image enhancement experiments. For friends to learn digital image processing reference.)

SimPowerSystem 的 应 用 介 绍(the introduction of the SimPowerSystem)

This Document Help the user to know how can deal with image tools and processing through using matlab

三维光子晶体布拉格衍射峰寻峰代码，可以得到布拉格衍射峰峰位、半峰宽、峰强的详细信息(Three-dimensional photonic crystal Bragg diffraction peak peak search code Bragg diffraction peak positions, FWHM, peak intensity Details)

根据邻接矩阵，计算复杂网络中模块的聚类系数。(According to the adjacency matrix, the computational complexity of the network module clustering coefficients.)

对lena图进行混沌置乱，简单方便。初值选定x=0.5,u=3.7。(Lena diagram of the chaotic scrambling, easy and convenient. Initial value of the selected x = 0.5, u = 3.7.)