www.gusucode.com > wavelet 源码程序 matlab案例代码 > wavelet/MODWPTDetailsForFullPacketTreeExample.m

    %% MODWPT Details for Full Packet Tree
% Obtain the MODWPT details for the full wavelet packet tree of an ECG 
% waveform. Use the default length 18 Fejer-Korovkin (|'fk18'|) wavelet. 
% Extract and plot the node coefficients at level 3, node 2.
load wecg;     
[w,packetlevels] = modwptdetails(wecg,'FullTree',true);
p3 = w(packetlevels==3,:);
plot(p3(3,:))
title('Level 3, Node 2 MODWPT Details')