tmp615.m

信号分析与处理的一些源代码

%MATLAB PROGRAM 6-15
%Compare the different window
clf
Nwin=21;
n=0:Nwin-1;
for i=1:4
  switch i
  case 1 
     w=boxcar(Nwin);
     stext='Rectangular Window';
  case 2
     w=hanning(Nwin);
     stext='Hanning Window';
  case 3
     w=hamming(Nwin);
     stext='Hamming Window';
  case 4
     w=bartlett(Nwin);
     stext='Bartlett Window';
  end   
posplot=['22'int2str(i)];
subplot(posplot);
stem(n,w);
hold on
plot(n,w,'r');
xlabel('n');
ylabel('w(n)');
title(stext);
hold off
grid
end