I am trying to filter noise present in the signal so that it gives me a smooth curve.But the signal is not getting filtered.Any help?
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Following is the code to filter out noise.Kindly let me know why i dont see the filtered signal.I want to get output like the one attached.Attached is the input file.I am working on the last column.
file = 'forRef_2.xls';
col = xlsread(file,'J:J');x_mags=abs(fft(col));
%num_bins=length(x_mags);
[b a]=butter(2,0.3,'low');
x_filtered=filter(b,a,col);
figure;
plot(col)
hold on
plot(x_filtered,'r')
Réponses (0)
Voir également
Catégories
En savoir plus sur Digital Filter Analysis dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!