--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/test/test_ao_cohere.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,45 @@
+% Test ao/cohere functionality.
+%
+% M Hewitson 08-05-08
+%
+% $Id: test_ao_cohere.m,v 1.6 2009/04/07 17:45:22 ingo Exp $
+%
+function test_ao_cohere()
+  
+  % Make test AOs
+  
+  nsecs = 10;
+  fs    = 1000;
+  
+  pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*7.433*t) + randn(size(t))');
+  
+  a1 = ao(pl);
+  a2 = ao(pl);
+  
+  % Filter one time-series
+  % Make a filter
+  pl = plist('type', 'bandpass', 'fs', 1000, 'order', 3, 'fc', [50 250]);
+  f2 = miir(pl);
+  
+  % filter the input data
+  [a3, f2] = filter(a1,plist('filter', f2));
+  
+  % make some cross-power
+  a4 = a3+a2;
+  a4.setName;
+  
+  % Make cohere from a6 to a7
+  Nfft = 1000*2;
+  win  = specwin('Hanning', Nfft);
+  pl = plist('Nfft', Nfft, 'Win', win, 'order', 2);
+  a8 = cohere(a4, a1, pl);
+  
+  
+  % Do with MATLAB
+  [cxy, f] = mscohere(a4.data.y, a1.data.y, win.win, Nfft/2, Nfft, a1.data.fs);
+  a9 = ao(fsdata(f, cxy));
+  
+  % Plot
+  iplot(a8, a9, plist('YScales', 'lin', 'LineStyles', {'', '--'}))
+  
+end
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