fg_07_20.m

英文书《Digital Signal Processing with Examples in MATLAB》附带的MATLAB实例

% fg_07_20      All the windows.
sp_fig(1,9,5.5);
set(gcf,'defaultaxesfontsize',12);
t=str2mat('Boxcar','Tapered','Hanning','Hamming',...
           'Blackman','Tent','Kaiser; \beta=4','Kaiser; \beta=9');
N=32; b=[0 0 0 0 0 0 4 9];
for n=1:8,
   subplot(4,2,n);
   w=window(N,t(n,:),b(n));
   line([0:N-1],w,'color','r','marker','*');
   axis([0 N 0 1]); grid on;
   h=text(10.3,.2,t(n,:));
   set(h,'fontsize',16);
      if(n>=7),
      h(1)=xlabel('k');
      set(h,'fontsize',16);
   elseif(n==5 | n==6),
      h=ylabel('                        w_k');
      set(h,'fontsize',16);
   end
end