Facial Expression Recognition in 2DPCA method, non

读取视频文件的函数。比matlab工具箱中的mmreader更好用。(Read the video file functions. Than matlab toolbox mmreader better use.)

frequency response of first order discrete time systems.

本文件含有关于matlab学习的资料，适用于初学者(This document contains information on learning matlab for beginners)

基于dft变换域的图像水印嵌入程序，通过修改分块dft系数实现水印嵌入，可实现，供初学者参考。(Dft transform domain image watermarking embedding the watermark embedding process by modifying the block dft coefficients, achievable, and reference for beginners.)

yuv格式的视频分解成每一帧图像，使用的是matlab语言(yuv format video into each frame, using matlab language)

matlab的一些编程，包括图，插值，无约束优化，算法设计与分析等(Some of matlab programming, including drawings, interpolation, unconstrained optimization, algorithm design and analysis)

图论，最小生成树，一种数学建模的实用方法，对你的比赛，和应用很有帮助(Graph theory, the minimum spanning tree，A good mathematical modeling tool, It is very helpful to your study MATLAB)

matlab数字图像处理中的自适应中值滤波函数(digital image processing matlab adaptive median filter function)

matlab模拟衍射积分,矢量衍射 离轴抛物面镜聚焦特性(matlab simulation of diffraction integral, vector diffraction focusing properties of off-axis parabolic mirror)

说明：  双极性NRZ经余弦滚降LPF作为信号，2ASK带通调制，相干解调，各步骤波形(Bipolar NRZ is used as signal through cosine roll off LPF, 2ASK band-pass modulation, coherent demodulation, and waveforms of each step.)