Re: [Discuss-gnuradio] Scaling output in fftsink2.py

[Johnathan Corgan]

On 3/10/08, Tim Meehan <address@hidden> wrote:

> fft_sink_c() and fft_sink_f() in fftsink2.py scale the output by the fft
> size using -20 log10(fft_size)
>
> I think the intent is to make the output level independent of fft size.
> Currently the output is a function of fft size.  See attached code
> (fftsink2_example.py).
>
> I think the scaling should be -10 log10(fftsize) .  Please see the attached
> suggested patch to fftsink2.py

You are correct.  This has been updated on the trunk as of r7997.

-- 
Johnathan Corgan
Corgan Enterprises LLC
http://corganenterprises.com/