Hello, first I think you meant sample rate, not size. Who said you cant use 30Mhz, what kind of hardware are you using? Lastly the FFT algorithms do not deal with frequency in that way, you are still seeing 0-50Mhz spectrum, just the label now says 50Mhz.
Andrew On Sat, Nov 16, 2013 at 10:11 AM, Paul B. Huter <paul.b.hu...@gmail.com>wrote: > I have a GNU Radio setup to look at shortwave. I have my sample size set > to 50MHz (since I was told I can't use 30). If I set my FFT to 30MHz with a > baseband of 15MHz, am I actually seeing the shortwave spectrum (0-30MHz)? > Also, any suggestions on setting the FFT Size? > > Thank you! > > Paul B. Huter > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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