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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 ) )

这是一个用于消除用户间干扰的MATLAB代码，利用了最小化干扰泄露的迭代优化算法，将用户接收到的干扰功率逼近于零来实现干扰消除。(This is a MATLAB code for eliminating interference between users, the use of iterative optimization algorithms minimize interference leaked, the user receives interference power approximation to zero to achieve interference cancellation.)

学习matlab的解微分方程的小程序，已经测试无误(The solution of differential equations matlab learning applets, have been tested correctly)

一个介绍matlab的课件，介绍初等模型的，相信对大家都有用处的，很好的课件。(An introduction matlab courseware to introduce elementary model, I believe we have useful, well courseware.)

基于BorlandC_Builder和MATLAB混合编程的仿真应用.pdf(based on MATLAB and mixed BorlandC_Builder Simulation Application Programming. P df)

读入文件，对文件进行无损预测编码和解码，然后对文件进行DM编码和解码(Read the file, the file lossless predictive coding and decoding, and then the file encoding and decoding DM)

文档中介绍了三种二维数组指针的用法，让读者对二维数组指针有了更进一步的了解。(Document introduces three kinds of the usage of the two-dimensional array pointer, let readers have a better understanding of how two dimensional array pointer.)

使用时域有限差分法编写的计算散射截面的简单程序(Scattering cross section is calculated using a simple program written in finite difference time domain method)

找到的一个比较实用的日历程序源码，用于开发与日期相关的程序，替代Calendar，实现其无法改变颜色等操作(To find a more practical calendar program source code, for the development of date-related procedures, alternative Calendar, realize that it can not change the color and other operations)

matlab初学者资料 里面有M程序的详细文件 还有编程 直接运行即可(Matlab beginners material inside have M program detailed document and programming can be run directly)