On Mon, Nov 18, 2013 at 9:48 AM, Tom Rondeau <t...@trondeau.com> wrote: > On Mon, Nov 18, 2013 at 8:41 AM, Frederik Wing <freddy.15-...@freenet.de> > wrote: >> As I said, I cannot design a filter with a sampling frequency below 1e6. >> The Python script I posted (where f_s = 1e3) does NOT work! But if I >> change f_s to 1e6 it works and gives me the gigantic filter. >> >> Frederik > > I think I see the problem. Testing now. Not sure why this works on > Intel machines without throwing, actually. > > Tom
This should be fixed now. It works on my Zynq and was failing as you described previously. Tom >> Am 18.11.2013 14:35, schrieb Tom Rondeau: >>> On Mon, Nov 18, 2013 at 8:31 AM, Martin Braun (CEL) >>> <martin.br...@kit.edu> wrote: >>>> On Mon, Nov 18, 2013 at 02:19:55PM +0100, Frederik Wing wrote: >>>>> Hi Tom, >>>>> >>>>> what you are writing is completely right. Simply increasing the sampling >>>>> frequency will result in a more complex filter. >>>>> >>>>> Nevertheless the firdes.low_pass function does NOT want to calculate the >>>>> 101-tap-filter. But it DOES calculate the 100001-tap-filter. Really >>>>> strange. So this might not be a memory problem. >>>>> >>>>> The "magic border" I described is at 1MHz. Not at 1GHz as I wrote >>>>> accidentally. >>>> Can you post the exact call too firdes.low_pass(), thanks. >>>> >>>> MB >>> >>> Yes, Frederik, I'm afraid you're not being clear. You say you can't >>> build a 101 tap filter? That's different than what you were saying >>> before. Are you saying that you can't go below 1e6 sps or above it? >>> >>> Tom >>> >>> _______________________________________________ >>> Discuss-gnuradio mailing list >>> Discuss-gnuradio@gnu.org >>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>> >>> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
