STFT

说明：  DPCMchengxu,进行预测编码的程序(DPCMchengxu )

程序包涵利用边界元方法Boundary Element Method计算2维拉普拉斯方程Laplace Equation势流Potential Flow的所有程序

电磁射线理论的经典教材，通信信道仿真必备(Classic textbook theory of electromagnetic radiation, an essential communication channel simulation)

LMS算法程序 代码等等 变步长LMS算法程序 代码等等 变步长(lms bianbuchang)

非归零型差分相位调制信号建模与仿真分析 ，多元数据分析的主分量分析投影，小波包分析提取振动信号中的特征频率。( NRZ type differential phase modulation signal modeling and simulation analysis, Principal component analysis of multivariate data analysis projection, Wavelet packet analysis to extract vibration signal characteristic frequency.)

各种使用simulink纯滞后系统仿真实例(Various simulation simulink delay system)

说明：  快速傅里叶变换 (FFT) 实现，给定信号x(t)=sin(2πf0t)，f0=50Hz，对x(t)以fs=200Hz进行抽样，抽样点数为N=16。编写程序实现对x(n)的快速傅里叶变换，求得相应的X(K)。(Fast Fourier Transform (FFT) to achieve a given signal x (t) = sin (2πf0t), f0 = 50Hz, for x (t) with fs = 200Hz sampling, the sampling points is N = 16. Procedures for the preparation of x (n) of the fast Fourier transform, obtained by the corresponding X (K).)

经验模态分解算法（EMD）求解本征模函数(Empirical mode decomposition method (EMD) to solve the intrinsic mode functions)

采用MATLAB编程，采用遗传算法求分段函数极值(Using MATLAB programming, using genetic algorithm for segmentation function extremum)

Line Detectio Line Detectio Line Detectio