exa120407.m

清华大学最新DSP教材 胡广书 DSP书的配套MATLAB程序

%--------------------------------------------------------------------------
% exa120407.m,   for fig12.4.7
%--------------------------------------------------------------------------
clear;

iter=8
[phi1,psi1,phi2,psi2,xval] = wavefun('bior4.4',iter);
subplot(3,2,1)
plot(xval,phi2);grid on
Ylabel('bior4.4  phi-R')

subplot(3,2,2)
plot(xval,psi2);grid on
Ylabel('bior4.4  psi-R')

subplot(3,2,3)
plot(xval,phi1);grid on
Ylabel('bior4.4  phi-D')

subplot(3,2,4)
plot(xval,psi1);grid on
Ylabel('bior4.4  psi-D')