If this is true, why is it that the residual carrier is reported as zero? Are you suggesting that this value is not correct?
Isaac Matt Ettus wrote: > > isaacgerg wrote: >> I am sending a known sequence of samples from one USRP to another using >> the >> Basix RX/TX d'boards setting the frequency to 24e6. >> >> When I rx the sequence, the correlation of it keeps flipping, but not in >> a >> way that suggests residual carrier. It seems as if I am experiencing an >> instantaneous flip. >> >> My gain on both the RX and TX is set to 500. The signal amplitude I rx is >> ~1200. When I run the GRC model, the Rx says I have no residual carrier, >> invert is set to false, the dxc frequency is set to -24e6 and the >> baseband >> to zero. On the TX side, I have these same values with the exception of >> the >> dxc freq, it is not set to 24e6. Why the flip?? What do all these >> things >> mean??? >> >> Is 24e6 a bad freq to use with the basic TX/Rx? >> >> Thanks in advance! >> > > I believe what you are seeing here is that the two USRPs are on two > different frequencies. This is not a fault of the USRP. No two > oscillators will be on exactly the same frequency, and so in any > practical receiver you must synchronize. > > Matt > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > -- View this message in context: http://www.nabble.com/Flipping-problem-tp18614309p18711285.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
