With gr-usrp2 driver, I believe that this can be fixed by setting is_quadrature to true here: http://gnuradio.org/cgit/gnuradio.git/tree/usrp2/firmware/lib/db_basic.c?h=next#n69
-Josh With UHD, quadrature is the default setting. And its configurable. :-) On 12/07/2010 06:39 AM, Alan Jones wrote: > Hi > > I am having some problems with the USRP2 not sending back to the PC both the > real and complex parts of the receive signal. I get the real component of > the signal but the complex part is just zeros. The signal that is being > receive is transmitted from the same USRP2 board. I am using the Basic RX & > TX boards, they are connected by two cables. I have test the Basic TX board > by pugging it into a scope and I get both wave forms out. I have attached a > copy of my code, it generates 1024 sample long chirp which is repeated every > second. It then writes only the first 256 000 samples to a file. > > I suspected that there is a flag I have missed during the start up of the > USRP2 but I can not find it the documentation I have. Any help would be > great. > > Regards > > Alan Jones > > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
