?? wt07fig03.m
字號:
%CAPTION
fprintf('\n');
disp('Figure 7.3')
disp('The original signal is at the bottom.')
disp('The discrete signals above are multiresolution approximations')
disp('a_j[n] at scales 2^j, computed with cubic splines.')
close all;
global WLVERBOSE;
WLVERBOSE='No';
% axes handles
delta = 1/20;
unit = (1-6*delta)/6;
h1 = [delta delta 1-2*delta 1.5*unit];
h2 = [delta unit+2*delta 1-2*delta 6*unit];
f = ReadSignal('lady');
figure(1);clf
axes('position',h1);
plot(f)
axis([0 256 0 260])
L = 3;
qmf = MakeONFilter('Daubechies',6);
wc = FWT_PO(f,L,qmf);
figure(1);
axes('position',h2);
DisplayProjV(wc,L,qmf);
WLVERBOSE='Yes';
% Written by Maureen Clerc and Jerome Kalifa, 1997
% clerc@cmapx.polytechnique.fr, kalifa@cmapx.polytechnique.fr
%
% Part of WaveLab Version 802
% Built Sunday, October 3, 1999 8:52:27 AM
% This is Copyrighted Material
% For Copying permissions see COPYING.m
% Comments? e-mail wavelab@stat.stanford.edu
%
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -