On Thu, Oct 17, 2013 at 04:44:00PM +0200, Sylvain Munaut wrote: > > http://img844.imageshack.us/img844/5910/s2i3.png > > I'm not convinced by the way you handle the complex part of the FFT result ... > > You can't just drop it, it's needed for the reconstruction ...
You're right, but in this case the input was already real and the "channel" doesn't modify the phase. So it's OK--the 'correct' thing would be to do a real FFT. See: http://imgur.com/z733PGU Works fine. If you want do to an ifft(fft(x)), you can't have windows (feel free to do OS jokes here). MB -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association
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