Wavelet Analysis

clc;clear all;close all;

load sumsin;

s = sumsin;

figure ('Name','Input 1-D Signusoidal Signal');

plot(s);

figure ('Name','Decomposition');

[c,l] = wavedec(s,4,'bior1.1');

subplot(2,2,1);

plot(c);

title('Function at resolution level 4');

[c,l] = wavedec(s,8,'bior1.1');

subplot(2,2,2);

plot(c);

title('Function at resolution level 8');

[c,l] = wavedec(s,16,'bior1.1');

subplot(2,2,3);

plot(c);

title('Function at resolution level 16');

[c,l] = wavedec(s,32,'bior1.1');

subplot(2,2,4);

plot(c);

title('Function at resolution level 32');

Output 1

Output 2