EEG_ERP_signal_Anlysis

This simulation illustrates the current and voltage buildup in a self-excited dc shunt generator driven at constant speed.Examine the effects of: a) changing the residual voltage magnitude and polarity (vres) b) varying the field resistance Rf =[145 200 250 300 350] c) varying the load conductance GL=[0.16 0.5 ] d) changing the field inductance Lf e) modifying the armature parameters Ra and La

用matlab解非线性方程，练习matlab的应用(Solving nonlinear equations with matlab, matlab application to practice)

SUBTRACTIVE CLUSTERING ALGORITHM

说明：  运用势流理论计算圆柱绕流附加质量系数的matlab程序(Matlab program using potential flow theory to calculate additional mass coefficients around a cylinder)

这是一个全面实现超宽带通信系统的matlab实现的仿真，还不错的(This is a full realization of UWB communications systems to achieve the Matlab simulation, but also good)

产生右图所示图像f1(m,n)，其中图像大小为256×256，中间亮条为128 ×32，暗处=0，亮处=100。对其进行FFT： ① 同屏显示原图f1(m,n)和FFT(f1)的幅度谱图； ② 若令f2(m,n)=（-1）m+n f1(m,n)，重复以上过程，比较二者幅度 谱的异同，简述理由； ③ 若将f2(m,n)顺时针旋转90 度得到f3(m,n)，试显示FFT(f3)的幅 度谱，并与FFT(f2)的幅度谱进行比较； ④ 若将f1(m,n) 顺时针旋转90 度得到f4(m,n)，令f5(m,n)=f1(m,n)+f4(m,n)，试显 示FFT(f5)的幅度谱，并指出其与FFT(f1)和FFT(f4)的关系； ⑤ 若令f6(m,n)=f2(m,n)+f3(m,n)，试显示FFT(f6)的幅度谱，并指出其与FFT(f2)和 FFT(f3)的关系，比较FFT(f6)和FFT(f5)的幅度谱。(Generating an image f1 (m, n) shown in the figure, wherein the image size is 256 256, the intermediate light bar 128 32 0 = dark, bright Department 100. Its FFT: ① screen display picture f1 (m, n) and the FFT (f1) of the amplitude spectrum ② If so f2 (m, n) = (-1) m+n f1 (m, n), repeat The above process, comparing the amplitude spectrum of the similarities and differences between the two, brief reasons ③ If f2 (m, n) 90 degrees clockwise to get f3 (m, n), try to display FFT (f3) the amplitude spectrum and with the FFT (f2) comparing the amplitude spectrum ④ If f1 (m, n) obtained by 90 degrees clockwise f4 (m, n), so f5 (m, n) = f1 (m, n)+f4 (m, n ), try to display FFT (f5) amplitude spectrum, and pointed out its relationship with the FFT (f1) and FFT (f4) of ⑤ If so f6 (m, n) = f2 (m, n)+f3 (m, n) and try to display the FFT (f6) amplitude spectrum, and pointed out its relationship with the FFT (f2) and FFT (f3), comparing FFT (f6) and FFT (f5) amplitude spectrum.)

说明：  HHT算法实现emd分解，及希尔伯特黄变换，实现瞬时频率瞬时幅值，边际谱的提取(Perform modal recognition, Hilbert Huang transform and its associated algorithmic program code for signal analysis and processing)

包括主成分分析、因子分析、贝叶斯分析，采用的是通用的平面波展开法,合成孔径雷达（SAR)目标成像仿真。( Including principal component analysis, factor analysis, Bayesian analysis, Using common plane wave expansion method, Synthetic Aperture Radar (SAR) imaging simulation target.)

This is matlab code for radar communication design.This consists of measurement of received signal that is disturbed by interference. Crosscorrelation function is the main factor here.

计算电磁学 二维PML程序 采用MATLAB编写(PML-dimensional computational electromagnetics programs written using MATLAB)