Dear all,

I think that my last question regarding osmocom_spectrum_sense was too general 
to be answered, so I will try with something more specific.

Does anyone know why the first and last 25% of FFT bins are discarded? I am 
talking about the following lines of code:

line 267: bin_start = int(tb.fft_size * ((1 - 0.75) / 2))
line 277: bin_stop = int(tb.fft_size - bin_start)

>From a theoretical point of view it looks to me as if it is done because of 
>the 25%-overlapping, but it that case I would discard only the 25% last bins. 
>I would appreciate any help because I'm really stuck trying to understand the 
>relation between the bins and the frequencies that are currently being 
>analysed to compute the power.

Thanks in advance,

Marc.
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