PLL

基于谱减法语音增强matlab程序，很好的去除噪声，得到增强的语音信号(Speech enhancement based on spectral subtraction matlab program, very good to remove noise, enhanced voice signal)

matlab中支持向量机工具箱的使用以及一些常用函数的介绍！(Matlab support vector machine (SVM) is the use of some of the most common and toolbox of function is introduced. )

chopper is simulated with IGBT switches

this code do background subtraction subtracting all frames from first frame and show the result video and input video

随机产生二进制序列，进行128QAM调制，画出星座图，通过加性高斯白噪声的信道，再画星座图，并计算误比特率。(128QAM modulate with MATLAB)

详细画出了时域和频域的相关图，包括面积、周长、矩形度、伸长度，采用的是脉冲对消法。( Correlation diagram shown in detail the time domain and frequency domain, Including the area, perimeter, rectangular, elongation, It uses a pulse of consumer law.)

同态滤波 MATLAB code for beginners that performs Homomorphic filtering, Using Butterworth High Pass Filter for performing filtering.(Copy the files in your work space Type "ho_filter" to see the results)

这个程序是用改进平方根法对线性方程组进行求解，要求系数矩阵必须是对称正定矩阵(This procedure is used to improve the square root method to solve linear equations, requiring the coefficient matrix must be symmetric positive definite matrix)

VMWare是一个“虚拟PC”软件.它使你可以在一台机器上同时运行二个(VMWare is a virtual PC software, which allows you to run two at the same time on a single machine)

multi-objective optimization