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Yes, you can. Look into the gr-fft module documentation in the doxygen
docs.
Alternatively, you can simply link against FFTW [1] yourself and use
the FFT algorithms; gr-fft is a wrapper for that functionality
offering simplification and ease of use. But if an FFT is all that
you're after, going directly for FFTW might be the best choice; if you
need something non-standard such as 2D-FFT (or higher dimensions),
real-only transforms, sliced/strided, hundreds of transforms at
once... use FFTW. If you just want an N-Point FFT and are linking
against GR anyway, use gr-fft.
Greetings,
Marcus
[1] Fastest Fourier Transform in the West,
http://www.fftw.org/
On 23.01.2014 20:17, Nasi wrote:
> Hi all,
>
> I know there is an FFT block in gnuradio 3.7. I want to create a cc
> file and add some gnuradio classes there. Can I use FFT without
> .grc file without using blocks, just as a c++ function?
>
>
>
>
>
> _______________________________________________ Discuss-gnuradio
> mailing list
address@hidden
>
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
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