Fault-diagnosis-of-wind-power

对matlab中的robotics toolbox中的函数功能及作用进行详细解说，方便初学者掌握函数。(Robotics toolbox for matlab in the function and role function in the detailed explanations, easy for beginners to master functions. )

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。 (This is a relatively complete OFDM communication system simulation design, including coding, modulation, IFFT, and down conversion, Gaussian channel model, the FFT, PAPR suppression, and a variety of synchronization, such as demodulation and decoding module and system performance omnibus The simulation results show the reliability of system design.)

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

说明：  三相多开关逆变器的S函数编写，基于MATLAB编写(The s function of three-phase multi switch inverter is compiled based on MATLAB)

元胞自动机excitable，matlab仿真代码，非常有参考价值。能成功实现。(Cellular Automata excitable, matlab simulation code, very valuable reference. Can be successfully realized.)

C++标准库，C++ Standard Library，是类库和函数的集合，其使用核心语言写成，由c++标准委员会制定，并不断维护更新。(The C++ standard library, C++ Standard Library, is a set of class libraries and function, the use of the core language, developed by the c++ Standards Committee, and continue to maintain and update.)

解决一些电脑的，主板，显卡。等故障，可以帮助了解电脑 (good way)

一个用matlab编写的计算器程序，可以实现四则运算和三角函数的运算(Using a calculator program written in matlab, you can achieve the four operations and trigonometric functions in operation)

该代码通过对常规单脉冲雷达信号、LFM雷达信号和BPSK雷达信号通过wiger变换，得到三种信号的时频图，分析他们的时频关系和区别。(The code on conventional single-pulse radar signals, LFM radar signals and radar signals BPSK wiger transformation, three kinds of time-frequency map analysis of their relationship and when the frequency difference.)

Matlab Program that plots the rootlocus of given transfer functions