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Initial checkin of AIM-MAT version 1.5 (6.4.2011).
author tomwalters
date Fri, 20 May 2011 12:32:31 +0100
parents
children 20ada0af3d7d
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% method of class @signal
% function delay(sig)
% delays the signal by so many seconds. Fills the start with zeros and cuts
% the end
%
%   INPUT VALUES:
%       sig: original @signal
% 
% (c) 2003-2008, University of Cambridge, Medical Research Council 
% Maintained by Tom Walters (tcw24@cam.ac.uk), written by Stefan Bleeck (stefan@bleeck.de)
% http://www.pdn.cam.ac.uk/cnbh/aim2006
% $Date: 2008-06-10 18:00:16 +0100 (Tue, 10 Jun 2008) $
% $Revision: 585 $

function sig=delay(sig,del)

sr=getsr(sig);
% nr_del=del*sr;
nr_del=round(del*sr);
vals=getvalues(sig);
nvals1=zeros(1,nr_del);
nvals2=vals(1:end-nr_del);

new_vals=[nvals1 nvals2'];
sig=setvalues(sig,new_vals);
sig=setname(sig,sprintf('%s delayed by %f sec',getname(sig),del));