Re: [Discuss-gnuradio] How to integrate a specific number of vectors element-wise in gnuradio?

[Martin Braun (CEL)]

On Mon, Jun 24, 2013 at 02:09:51PM +0200, Eskil Varenius wrote:
> The grand plan is as follows:
> 1) Use an USRP to recieve a signal, I know how.
> 2) Divide the stream of samples into vectors, I know how.
> 3) Take the FFT of the vectors one by one, I know how.
> 4) Average the vectors coming from the FFT together element-wise. I don't know
> how.
> 5) Save the averaged vector to a file, I know how.
> 
> What I cannot solve is step 4: I need to take the N vectors (each of size M)
> coming from the FFT-block and sum them together element-wise to produce one
> vector of size M.

The spectral estimation toolbox (gr-specest) has a block to do this
(moving_average_vff). You can get it through PyBOMBS, it is not yet
3.7-compatible, though.

https://github.com/kit-cel/gr-specest

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

pgponD3kqeYHC.pgp
Description: PGP signature