Thank you, Tom! I will try it on my Raspi soon. Frederik
Am 19.11.2013 04:38, schrieb Tom Rondeau: > 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
