Study

simulink仿真，电力系统发生故障时，电力系统稳定器作用，使发电机转子功角一致性和频率同步。(Simulink simulation, when the power system fault, the power system stabilizer function, so that the generator rotor power Angle consistency and frequency synchronization)

：滤波 fs=400 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=5 时间窗大小 t=0:ts:T (hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号频谱 ) xlabel( f /Hz ) subplot(212) plot(f,abs(y1)/N) title( 低通滤波，截止频率90Hz ) xlabel( f /Hz ))

数组变换！逆序，将数组倒置！将一个二维数组行和列元素互换后到另一个二维数组中(Array transformation ! Reverse , the array upside down ! Will be a two-dimensional array of rows and columns after the swap element into another two-dimensional array)

用于c++计算拟牛顿法的实验,请参考，多谢请多指教(For c++ calculation of the experimental quasi-Newton method, please refer to, please advise Thank you)

四轴飞行器制作总结，包括四轴制作过程中马达、电调的选择，以及相关代码。(Four aircraft production summary, including the motor axis in the production process, the choice of power transfer, and the relevant code.)

语音端点检测，是语音压缩时提取特征参数的一个必要的过程，这个程序主要是对这个过程的一个小的程序。希望对学语音的有帮助(Extreme point detecting is a primily process to get the eigenparameter when you compressing the speech.This program is a small one,it will help for the learner.)

光伏并网逆变器控制技术的研究,详细分析了并网的技术难点和技术攻关。(Research on photovoltaic grid connected inverter control technology, a detailed analysis of the technical difficulties and technical problems of grid. )

洗车模型，经典排队论，关于排队模型的相应说明含在压缩文件之中(Wash model, classical queuing theory, queuing models regarding the appropriate instructions included in the compressed file into)

memset函数、memcopy函数和strcpy函数的用法，在笔试中通常让比较这些函数(Usage memset function, memcopy function and strcpy function, which is usually written to allow comparison of these functions)

open cv 2 computer vision emgu