transferfunction

熟悉信号采样过程，并通过本实验观察欠采样时信号频谱的混迭现象，了解采样前后信号频谱的变化，加深对采样定理的理解，掌握采样频率的确定方法。使用simulink进行仿真。(An example of the signal sampling process. Done with simulink. )

在MATLAB的simulate工具箱中直流电机的速度PID控制(Toolbox in MATLAB' s simulate the speed of DC motor PID control)

关于排队模型的资料整理，很全面，应用到很多方面，欢迎下载~~~(A lot of materials about queue model, very useful, and they are many applications, welcome to download. )

Modelling and Control of a Three-Phase Four-Switch PWM-VSR in d-q Synchronous Frame

一些自适应信号处理的算法，与理论分析结果相比，采用的是脉冲对消法，信号处理中的旋转不变子空间法，IDW距离反比加权方法，滤波求和方式实现宽带波束形成，music高阶谱分析算法，现代信号处理中谱估计在matlab中的使用。( Some adaptive signal processing algorithms, Compared with the results of theoretical analysis, It uses a pulse of consumer law, Signal Processing ESPRIT method, IDW inverse distance weighting method, Filtering summation way broadband beamforming, music higher order spectral analysis algorithm, Modern signal processing used in the spectral estimation in matlab.)

完成DSSS调制解调功能的matlab程序(Complete DSSS modem functions of the matlab program)

基于高频电磁散射的物理光学法用于计算散射目标的RCS (Based on high-frequency electromagnetic scattering of the physical optics method used to calculate the scattering target RCS)

讲小波包中尺度函数系数的计算，对于小波滤波器的设计比较实用(Mesoscale speak wavelet packet coefficients calculations, more practical)

模式识别中的感知器算法在MATLAB中的实现案例(Pattern Recognition Perceptron algorithm in MATLAB to achieve Case)

empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)