www.gusucode.com > wavelet工具箱matlab源码程序 > wavelet/wavedemo/ex1_wt.m
%EX1_WT Example of 1-D wavelet tree (WTREE OBJECT). % M. Misiti, Y. Misiti, G. Oppenheim, J.M. Poggi 16-Sep-1999. % Last Revision: 18-Oct-1999. % Copyright 1995-2002 The MathWorks, Inc. % load the signal. load noisbloc; x = noisbloc; % Define the level and the wavelet. lev = 3; wav = 'db2'; % Create the wavelet tree. t = wtree(x,lev,wav); % Plot tree t. plot(t) %--------------------------------------------------- % Change Node Label from Depth_Position to Index. % Click the node (7). You get the following plot. % % HERE NEW PLOT %--------------------------------------------------- % Change Node Action from Visualize to Split_Merge. % Merge the node (3). % Change Node Action from Split_Merge to Visualize. % Click the node (3). You obtain the following plot. % % HERE NEW PLOT %---------------------------------------------------