view m-toolbox/test/test_ltpda_nfest.m @ 34:03d92954b939
database-connection-manager
Improve look of LTPDAPreferences diaolog
author |
Daniele Nicolodi <nicolodi@science.unitn.it> |
date |
Mon, 05 Dec 2011 16:20:06 +0100 (2011-12-05) |
parents |
f0afece42f48 |
children |
|
line source
% TEST_LTPDA_NFEST tests the ltpda_nfest noise-floor estimator.
%
% M Hewitson 14-05-07
%
% $Id: test_ltpda_nfest.m,v 1.14 2009/02/02 15:20:37 hewitson Exp $
%
function test_ltpda_nfest()
nsecs = 10000;
fs = 10;
pl = plist('nsecs', nsecs, 'fs', fs, 'tsfcn', 'sin(2*pi*0.433*t) + 10*sin(2*pi*0.021*t) + randn(size(t))');
x12 = ao(pl);
% Make spectrum
pl = plist('Nfft', '100*fs');
x12xx = psd(x12, pl);
% Make noise-floor estimate
pl = plist('bw', 128);
x12nf = smoother(x12xx, pl)
% Plot
iplot([x12xx x12nf])
% Rebuild from history
a_out = rebuild(x12nf);
iplot(a_out)
plot(a_out.hist)
end
% END