codes_

matlab stuff very fast

用matlab实现字母识别系统！给定字母，能识别出来是什么字母！(Alphabet recognition system using matlab to achieve! Given letters, can identify what is out letters!)

This will take the DCT of an image Coefficient matrix calculated first and after multiplied with image matrix 4X4.very efficient code.

说明：  用6级移位寄存器实现产生m序列，希望对各位有所帮助(Shift registers with a 6 m sequence generation, want to help you)

共轭梯度法，用于求解非线性约束问题，适用于matlab程序(Conjugate gradient method for solving nonlinear constrained problem for matlab program)

Important matlab books

histogram matching for image enhancement

本文章采用的是MATLAB环境下的源程序，是关于图像特征提取方面的(This article is used in MATLAB environment of the source, is about the image feature extraction in)

被控对象为G(S)=400/（s*s+500s）,首先运行模糊控制器程序chap4_2.m,并将模糊推理系统保存在a2中，然后运行模糊控制SIMULIK程序。位置指令为0.5sin（10t）,simulink见chap4_3(Controlled object is G (S) = 400/(s* s+500s), first run the fuzzy controller program chap4_2.m, and stored in a2 fuzzy inference system, and then run the fuzzy control SIMULIK program. Position command is 0.5sin (10t), simulink see chap4_3)

simulink model of an innovative sinusoidal pulse width modulation technique for upqc. try to verify the performance. it is for study purpose..