Tom it was the first i have done, did not worked for me
On Wed, Aug 7, 2013 at 4:15 PM, Tom Rondeau <t...@trondeau.com> wrote: > On Wed, Aug 7, 2013 at 7:56 AM, Anton Komarov <akoma...@nvisiongroup.ru> > wrote: > > Ok, i've attached very simple grc chart > > with slider you can change the frequency, two waterfalls shows spectrums > > before and after xlating. > > So i had test it in apco25 env and took apco signals as a reference. So > when > > i saw signal e.g. at 451.378 MHz and tuned to it i saw no signal after > > xlating nevertheless it was the same time on waterfall before xlating. > > > > You can test this chart with you radio environment. > > > > Then i testing the same logic with gr 3.6 (code is not compatible i have > to > > redraw it..) and here it is! xlating worked like a charm. > > Try reversing the sign of the center frequency value for the xlating > filter. I've been using this block for some tests of my own this week > and it's working as expected. > > Tom > > > > > On Wed, Aug 7, 2013 at 1:48 PM, Martin Braun (CEL) <martin.br...@kit.edu > > > > wrote: > >> > >> On Wed, Aug 07, 2013 at 01:00:32PM +0400, Anton Komarov wrote: > >> > Hi, made an attempt to test my python scripts with new 3.7.0 of GR > >> > > >> > and what i am seeing xlate fir filter is broken > >> > > >> > > >> > previously xlate worked perfect with 3.6 version > >> > > >> > > >> > tested with waterfalls and i see wrong xlating > >> > > >> > i think developers should pay attention to this issue > >> > >> Hi Anton, > >> > >> can you please elaborate on this bug. Ideally, could you post an issue > >> on our tracker: http://gnuradio.org/redmine/projects/gnuradio/issues > >> > >> Specify what you configured, what the expected outcome was and what > >> happened instead. > >> > >> Thanks, > >> MB > >> > >> -- > >> Karlsruhe Institute of Technology (KIT) > >> Communications Engineering Lab (CEL) > >> > >> Dipl.-Ing. Martin Braun > >> Research Associate > >> > >> Kaiserstraße 12 > >> Building 05.01 > >> 76131 Karlsruhe > >> > >> Phone: +49 721 608-43790 > >> Fax: +49 721 608-46071 > >> www.cel.kit.edu > >> > >> KIT -- University of the State of Baden-Württemberg and > >> National Laboratory of the Helmholtz Association > >> > >> _______________________________________________ > >> 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 > > > > > > -- > Tom > Visit us at GRCon13 Oct. 1 - 4 > http://www.trondeau.com/grcon13 > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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