task1

帮朋友写的主成分分析，有图形显示，注意请自行判断数据是否需要转置。(Help a friend wrote principal component analysis, a graphic display, attention please judge for themselves whether the data needs to transpose.)

Filter bank coding for communication

数字信号处理 )丁玉美，标准课件，PPT形式，很强大 很实用(Ding Mei, digital signal processing) standard courseware, PPT form, very powerful and very practical)

这是一个完整版，包含调用文件。整个视频可以用在不同尺度和位置计算得来的特征集进行表示。Hog3D描述子由Alexander Klaser Marcin Marszał ek Cordelia Schmid等人提出的，将HOG的概念扩展，由静态图像特征提取扩展到视频序列的特征提取，在视频序列中的行人检测取得了较好的成果。(This is a complete version, including calls to the file. The video can be used in different scale and location characteristics were calculated set of representation. The Hog3D descriptor proposed by Alexander Klaser Marcin Marsza EK Cordelia Schmid et al, will the concept of HOG is extended static image feature extraction, extended to extract features of video sequences, pedestrian detection in video sequence and achieved good results.)

用C语言编写MATLAB 函数， 以用于DSP芯片上(Use the programming language C to write MATLAB function, col2im )

自适应波束形成MVDR算法和DREC算法matlab程序(MVDR and DREC algorthms)

第7章 数值微分.zip。是从书中光盘里拷贝的代码，放在这里与大家共享，希望对大家有帮助。(Chapter 7, numerical differentiation.zip)

its a matlab program ~~~~~ you can do tit

matlab中gui界面编程的一个小例子。(matlab gui interface programming in a small example.)

To generate color histogram of a color image.