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modified FIRRemoveBL #3

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modified FIRRemoveBL #3

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93a5aab
deleting old code
Dacapi91 Mar 17, 2020
55c8e8a
new file with the modifications
Dacapi91 Mar 17, 2020
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17 changes: 14 additions & 3 deletions BLremover.m
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Original file line number Diff line number Diff line change
Expand Up @@ -256,19 +256,30 @@
% 1985 Dec [cited 2016 May 6];32(12):1052–60.
%
% implemented by: Francisco Perdigon Romero
% modify by: David Castro Pi�ol 17/03/2020
% modification regarding the expansion of the signal to ensure the
% signal's length be greater than three times the filter order before
% using filtfilt function
%
% email: fperdigon88@gmail.com


fcuts = [(Fc-0.07) (Fc)];
mags = [0 1];
devs = [0.005 0.001];
len = length(ecgy);

[n,Wn,beta,ftype] = kaiserord(fcuts,mags,devs,Fs);
%n = 28;

b = fir1(n,Wn,ftype,kaiser(n+1,beta),'noscale');

if(n*3>length(ecgy))
diff = n*3 - length(ecgy);
ecgy = [ecgy;flip(ecgy);ecgy(1)*ones(diff,1)];
end

a = 1;

ECG_Clean = filtfilt(b,a,ecgy);
ECG_Clean = ECG_Clean(1:len,1);
end

function [ECG_Clean] = EMDRemoveBL(ecgy,Fs, Fc)
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