Mercurial > hg > ltpda
diff m-toolbox/test/test_ao_zeropad.m @ 0:f0afece42f48
Import.
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
---|---|
date | Wed, 23 Nov 2011 19:22:13 +0100 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/m-toolbox/test/test_ao_zeropad.m Wed Nov 23 19:22:13 2011 +0100 @@ -0,0 +1,25 @@ + + +% Compute time-series +Nsecs = 1e2; % Number of seconds desired +fs = 10; + +s = ao(plist('tsfcn', 'sin(2*pi*1.137*t)', 'fs', fs, 'Nsecs', Nsecs)); +n = ao(plist('tsfcn', 'randn(size(t))', 'fs', fs, 'Nsecs', Nsecs)); +b = n + s; + +% Zero pad x3 +bz = zeropad(b, plist('Factor', 10)); + +% Zero pad with N samples +cz = zeropad(b, plist('N', 100)); + +iplot(b,bz,cz) + +% Spectra +bxx = abs(fft(b)).^2; +bzxx = abs(fft(bz)).^2; +czxx = abs(fft(cz)).^2; + +iplot(bzxx, bxx, czxx) +