perturbations

对lena.map先分块处理，然后做cs变换，观测矩阵用随机高斯矩阵，重构算法用l1算法(On lena.map first block processed, and then do cs transform, random Gaussian matrix with the observation matrix, reconstruction algorithm algorithm using l1)

for fem matlab for solving all 2D and 3D problem

半波振子天线阵的方向图仿真，并绘制其沿 heta角的变化。(Simulate the antenna pattern of a half-wave oscillator array, showing the variance along the azimuth angle.)

计算无限大平板中的兰姆波的色散关系，包括PMN-PT和PIN-PT等材料。(calculate the dispersion relations of Lamb waves in infinite plates, including materials like PMN-PT and PIN-PT.)

说明：  指派问题 微粒群PSO算法优化 带绘图 优化目标为工作质量(Assignment of particle swarm optimization PSO algorithm to optimize the drawing target with the quality of work)

基于susan、hirrs方法的角点检测程序、采用matlab编程，易于阅读。(Corner Detectio)

对采集的语音信号进行不同加窗的STFT分析(Voice signals on the collection of window STFT analysis of different)

本程序是用于信号频谱分析的实验程序 主要功能是进行信号的幅值谱计算；同时可完成在选定范围内谱峰的精确频率、幅值和相位计算。(This procedure is the main function of the experimental procedure for signal spectrum analysis to calculate the amplitude of the signal spectrum to be completed by the precise frequency of the peak in the selected range, amplitude and phase calculation.)

通过一点来选取图像区域，手动选取图像中的一点，可以讲这个点周围的一定区域提取出来(Through a point to the image area，manual one point in a image，then we can get an area around this point)

Modal analysis in Matlab to calculate all modal parameters from a structure