QPSK

Apply the standard QR-decomposition based LSL algorithm using angle-normalized error to predict/estimate complex-valued processes.

This file consists of matlab codes for a DEA optimization problem using fast algorithms of cplex

一个不错的无传感器MRAS程序，分享一下(MRAS machine sensorless control)

说明：  基于mATLAB的单峰谱线插值，用于谐波的检测分析(Single-peak spectral line interpolation based on mATLAB for harmonic detection and analysis)

针对机械行业变转速零件如轴承，齿轮箱的故障诊断，采用阶次分析技术。程序针对变转速工况下的故障诊断。(Variable speed machinery industry parts such as bearings, gearboxes for fault diagnosis using order analysis techniques. Procedures for troubleshooting variable speed conditions.)

E=input( enter the generator voltage: ) V=input( enter the infinite bus voltage: ) Gx=input( enter the reactance of generator: ) L1x=input( enter the line reactance: ) L2x=input( enter the line reactance: ) L3x=input( enter the line reactance: ) L4x=input( enter the line reactance: ) Pi=input( enter the input power: ) X1=Gx+L1x+((L2x*L3x)/(L2x+L3x))+L4x Pm1=E*V/X1 DO=asin(Pi/Pm1) A=((L2x*L3x)/(2*(L2x+L3x))) C=A B=((L3x/2)^2)/(L2x+L3x) X2=(Gx+L1x+A)+(L4x+A)+(Gx+L1x+A)*(A+L4x)/B Pm2=(E*V)/X2 X3=Gx+L1x+L2x+L4x Pm3=(E*V)/X3 DC=input( enter the fault clearing angle: ) Dm=(3.14-asin(Pi/Pm3)) a1=quad( sin ,DO,DC) A1=(Pi*(DC-DO)-Pm2*a1) a2=quad( sin ,DC,Dm) A2=Pm3*a2-Pi*(Dm-DC) if(A2>=A1) disp( the system is stable ) else disp( the system is unstable ) end Dcc=acos((Pi*(Dm-DO)-Pm2*(cos(DO))+Pm3*(cos(Dm)))/(Pm3-Pm2)) disp( critical clearing angle: ) Dcc

数字图像处理--直方图均衡化--matlab程序(Digital image processing- Histogram equalization- matlab program)

基于MATLAB simulink 的QPSK仿真，R2008下测试可运行。提供波形、频谱、眼图、星座图。(Based on MATLAB simulink simulation of QPSK, R2008 under test can be run. It provides waveform, spectrum, eye diagrams, constellations.)

Demo emf source code 4

针对图片或视频数据的眼睛区域的检测，以及眨眼的检测确定人脸区域的程序。 份关于智能图像增强的美国专利，对图像处理感兴趣的朋友可以看一下。(Tracking learning)