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Re: [Discuss-gnuradio] bins osmocom_spectrum_sense
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From: |
Sylvain Munaut |
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Subject: |
Re: [Discuss-gnuradio] bins osmocom_spectrum_sense |
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Date: |
Wed, 25 Jan 2017 09:38:00 +0100 |
> 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)
Read that code again ... it discards the first and last 12.5% ... so
that it discards 25% in total.
Cheers,
Sylvain