VG_C

语音信息处理的好帮手，希望大家支持，非常感谢各位大侠(Voice messaging is a good helper, hope you will support, thank you heroes)

例3：分析占空比为ta的矩形脉冲频谱 T=1 时间窗大小 ta=0.5 占空比 N=256 t=linspace(-T,T,N) ts=2*T/N fs=1/ts (x=zeros(1,N) x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1) y=fft(x,N) figure plot(t,x) title([ 时域信号图 占空比为 ,num2str(ta)]) axis([-T T-0.2 1.2]) xlabel( t /s ) figure subplot(211) f=linspace(-fs/2,fs/2,N) plot(f,abs(fftshift(y))/N) title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ]) xlabel( f /Hz ) )

SCJP exam dumps. useful for exam learners

通过matlab调用xfoil程序，对翼型升阻力力矩进行计算，并将计算结果生成结果文件，程序中对三种翼型进行了计算，用户可根据需要删减或复制程序的相同部分即可(Xfoil by calling the same part of matlab procedures, the airfoil lift and drag torque is calculated, and the calculated results file is generated, the program for the three airfoils were calculated, the user can cut or copy the program as needed to)

Prony方法是一种在已知时域冲击响应时构造IIR滤波器（即ARMA）的算法(Prony method is a kind of time-domain impulse response is known IIR filter structure (ie ARMA) algorithm)

无线协同通信中中继选择算法的几种仿真程序，附有配套的论文。(Wireless cooperative communication relay selection algorithm several simulation program, accompanied by supporting papers.)

关于MATLAB的一些应用实例，是新手的可以进来看看(With regard to some application examples of MATLAB is a novice can come take a look at)

doa阵列处理程序 适合初学者使用，对天线阵列的学习很有帮助(Matlab noise FM interference for beginners to use )

GPS和INS组合导航程序，主同步信号PSS在时域上的相关仿真，有PMUSIC 校正前和校正后的比较，实现串口的数据采集，数据模型归一化，模态振动，有详细的注释。( GPS and INS navigation program, PSS primary synchronization signal in the time domain simulation related, A relatively before correction and after correction PMUSIC, Achieve serial data acquisition, Normalized data model, modal vibration, There are detailed notes.)

说明：  通过gamultiobj函数，实现基于nsga2的改进优化算法(An improved optimization algorithm based on NSGA2 is implemented by gamultiobj function)