main.m

用maltlab编程实现了平移不变量去噪的快速算法

%load noisy signals which can be noisbloc, noisbump, or noisdopp etc.
load noisbloc;
signal=noisbloc;
subplot(4,1,1);
plot(signal);
axis tight;
title('Noisy signal: Blocks');

%Fast TI_Denoising of the loaded signal
wavename='haar';
L=1;
y1=TI_Denoise(signal,wavename,L);
subplot(4,1,2);
plot(y1);
axis tight;
text(450,12,'Haar,L=1');

wavename='haar';
L=4;
y2=TI_Denoise(signal,wavename,L);
subplot(4,1,3);
plot(y2);
axis tight;
text(450,12,'Haar,L=4');

wavename='haar';
L=7;
y3=TI_Denoise(signal,wavename,L);
subplot(4,1,4);
plot(y3);
axis tight;
text(450,12,'Haar,L=7');