case_study_4

本程序重构各层低频和高频系数，画功率谱，横坐标为频率，纵坐标为功率，小波包分解最后一句是为显示小波包四层分解树结构(Reconstruction of the procedural layers of low and high frequency coefficients, draw power spectrum, the abscissa is the frequency, the vertical axis is power, wavelet packet decomposition is the last sentence of four to show the wavelet packet decomposition tree)

自己写的SAR相干斑去噪matlab代码 包括：小波去噪，contourlet变换去噪，小波-contourlet去噪，基于PCA的小波-contourlet去噪(Write your own SAR Speckle Denoising matlab code comprising: wavelet de-noising, contourlet denoising, wavelet-contourlet de-noising, wavelet-based PCA denoising-contourlet)

说明：  去噪中的同步，从同学那拷来的例程，应该不错啊(Denoising synchronized copy came from the students that routines should be good ah)

本文对偏振光干涉理论进行了MATLAB 设计与仿真，在分析偏振光干涉现象模型的基础上，运用MATLAB 工具实现了偏振光干涉现象的计算机仿真，使这一抽象而复杂的物理现象变得直观、简单，且容易理解。(Polarized interference theory, design and simulation of MATLAB, polarized interference computer simulation using MATLAB tool based on the analysis of polarized light interference phenomenon model so abstract and complex physical phenomena become intuitive, simple, and easy to understand.)

说明：  这是个关于图像遗传算法分割的源程序，在matlab上实现(This is a genetic algorithm on the image segmentation of the source, to achieve in matlab)

说明：  document of image compression

digital signal processing code

shunt active filter

convert directory of images to a movie in Matlab

无约束优化的matlab程序。很全面，适用于数学建模等竞赛活动。(Unconstrained optimization matlab program. Very comprehensive, suitable for mathematical modeling contest.)