% TEST_LTPDA_XCORR tests the cross-correlation function ltpda_xcorr.
%
% M Hewitson 19-06-07
%
% $Id: test_ltpda_xcorr.m,v 1.13 2011/04/09 16:59:57 hewitson Exp $
%
function test_ltpda_xcorr()
  
  
  % Make test AOs
  
  nsecs = 10;
  fs    = 1000;
  
  pl = plist();
  pl.append('nsecs', nsecs);
  pl.append('fs', fs);
  pl.append('tsfcn', 'sin(2*pi*7.433*t) + randn(size(t))');
  
  a1 = ao(pl);
  
  % Filter one time-series
  
  % Make a filter
  f1 = miir(plist('type', 'highpass', 'fc', 20, 'fs', fs));
  
  % Filter the input data
  [a2, f1] = filter(a1,plist(param('filter', f1)));
  
  % Make X-correlation from a1 to a2
  a4 = xcorr(a1,a2, plist(param('Scale', 'coeff')));
  
  % Plot results and history
  iplot(a4);
  plot(a4.hist);
  
  % Reproduce from history
  a_out = rebuild(a4);
  
  iplot(a_out)
  plot(a_out.hist)
  
end