PCA-extract-code

说明：  实现网吧免费上网功能，当点击结账号，不锁屏，不蓝屏，不关机，正常使用~(To achieve free internet cafe features, click the knot when the account does not lock screen, no blue screen, not shutdown, normal use ~)

计算二维图形的分形维数，比较好用，计算方便(Calculate the fractal dimension of a two-dimensional figure)

电力市场中计算直流潮流程序，结合杜松怀版电力市场例题的程序，简单实用(DC load flow calculation in electricity market program, combined with Du Songhuai example electricity market version of the program, simple and practical)

matlab编程实例一百个，全部是源程序，用处很广(one hundred matlab programming examples, all source code, very useful)

莫尔条纹分析及其中莫尔条纹的条纹间距的计算方法。(Moire fringe analysis)

matlab 程序 用于成学matlab的人 很好的(matlab program for matlab people into learning good)

这是一个说话人识别的程序，其中有十个说话人，识别率可达到90 。执行时，执行“laststep.m”(This is a speech recognition program, including dozens of speaker recognition rate can reach 90 . Implementation, implementation " laststep.m" )

使用matlab绘制三角函数图像，主要学习坐标范围设置及plot函数(Matlab draw trigonometric image, mainly to study the coordinate range of settings and plot function)

说明：  考虑一长度为D，宽度为L的理想均匀面阵天线，并用Matlab画出其二维波束方向图。(Consider an ideal uniform planar array antenna with length D and width L, and draw its two-dimensional beam pattern with MATLAB.)

匹配追踪和正交匹配追踪，GSM中GMSK调制信号的产生，通过matlab代码。( Matching Pursuit and orthogonal matching pursuit, GSM is GMSK modulation signal generation, By matlab code.)