Hi Shravan,
That is really cool. Can you share with us your modifications to the
script and the command line you used? I would like to try this at my
home where I see like 20 APs from my neighbors and compare it to the
plot of the wi-spy.
Thomas
>
> Actually, you get a reasonable plot. Although you can only sense a
> maximum of ~6 Mhz at once, doing so in steps of frequency gives a fair
> idea. I made some changes to the spectrum_sense example, so as to a
> fftshift and remove outer 25% of the bins. I used a frequency step of
> 0.5 Mhz and also passed it through the log10 block. Attached are the
> plots for entire spectrum (spec.pdf) and channel 1 (0.5m.pdf).
>
> Although, I am not sure what the "UNITS" are, they should give a sense
> of the relative powers at different frequencies. (Would they end up
> in dB as I passed it through the log10 block? I couldnt particularly
> understand Eric's code i.e. what is passed to the log10 block)
>
> Thanks,
>
> Shravan