untitled3.m

来自「用MATLAB做数字信号处理之中的卷积程序及结果」· M 代码 · 共 30 行

>> n=0:20;
>> h=0.8.^n;
>> x=ones(1,10);
>> y=conv(h,x)

y =

  Columns 1 through 6 

    1.0000    1.8000    2.4400    2.9520    3.3616    3.6893

  Columns 7 through 12 

    3.9514    4.1611    4.3289    4.4631    3.5705    2.8564

  Columns 13 through 18 

    2.2851    1.8281    1.4625    1.1700    0.9360    0.7488

  Columns 19 through 24 

    0.5990    0.4792    0.3834    0.2975    0.2288    0.1738

  Columns 25 through 30 

    0.1298    0.0946    0.0665    0.0440    0.0259    0.0115
    >> stem(y);
>> xlabel('n');
>> ylabel('y');
>> title('the third 卷积');