2D_PML_fangxingzhu

例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 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=2 时间窗大小 ( x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0 N=N-1 end f=linspace(0,fs/2,N/2) plot(f,abs(y(1:N/2))*2/N) title( 叠加噪声的sinc(t)信号频谱 ) xlabel( f /Hz ) figure y0=y(1:N/2) P=y0.*conj(y0)/N P=10*log10(P) plot(f,P) title( 功率谱 ) xlabel( f /Hz ) )

给出了通过matlab设计IIR低通滤波器的程序，并通过程序把在DSP中所用到的变量计算出来，很有价值。(Matlab given by IIR low-pass filter design procedures, and procedures used in the DSP in the calculated variables, very valuable.)

在VC++使用Matlab引擎，实现绘图计算操作，初学者必备！(In VC++ using the Matlab engine calculated to achieve the drawing operation, necessary for beginners!)

用蒙特卡洛法对建立起的DF数学模型实现复合材料特性边界的估计(Monte Carlo method to establish mathematical models of DF characteristics of composite materials to achieve the estimated boundary)

说明：  ml detection mimo good

IP锁定程序实例源码　ip focus program example recourse code (　ip focus program example recourse code )

Queen problem is solved

Simulation Digital communication by using matlab

说明：  MATLAB数学实验之符号运算，其中包含课件以及习题和答案，文档中附有源程序(MATLAB Mathematical experiments symbolic computation, which includes courseware, as well as exercises and answers documents available source)

VB与matlab混合编程，实现VB与matLAB数据传递，完成相关编程(VB and matlab mixed programming, data transfer between VB and matLAB, complete the relevant programming)