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DFT and its circular nature

The discrete cosine transform (DCT) is a technique for converting a signal into elementary frequency components. It is widely used in image compression. Here we develop some simple functions to compute the DCT and to compress images. These functions illustrate the power of Mathematica in the prototyping of image processing algorithms. The

说明：  基于稀疏表示的算法，对Donoho提出的Cartoon image进行纹理综合(Algorithm based on sparse representation of Donoho proposed Cartoon image texture synthesis)

数字PID的matlab仿真程序，针对刘金琨的先进PID控制的matlab仿真，里面的部分程序进行了修改 第七章(Digital PID of matlab simulation program for Liu Jinkun matlab advanced PID control simulation, which were modified some procedures of Chapter VII)

Ali H. Sayed 2008编写的Adaptive filters一束是经典的介绍滤波器的书籍。又是文件太大，只能分部分上传，这是第一部分。(Ali H. Sayed 2008 Adaptive filters write a bunch of classic books introduce filters. Another file is too large to upload only in parts, this is the first part.)

install code to the document,and replease ,make project

一个matlab程序，初学者可以慢慢看懂,信道着色代码(A matlab program, beginners can slowly read)

Kalman by Sid Meh constant velocity (filter)

Matlab生成UG凸轮曲线 本人原创。我任务就凭这一个课件，我就能成为会员，呵呵。(Matlab generate original UG I cam curve. My task in itself was a courseware, I will be able to become a member, huh, huh.)

线性判别法（LDA），用来降维的，找了好久了，很好用(Linear discriminant method (LDA), used to dimensional reduction, for a long time, very good )