Re: [Discuss-gnuradio] Re: RE: why does this code don't work!! help
Quoting anmar <[EMAIL PROTECTED]>: > hi Tom, > thanks for your help, > > > need to make sure the signal's sampling rate matches the DAC's sampling > > rate > > of 128 Msps _after_ interpolation (so if inter=128, sampling_freq=1e6). > > ok I didn't understood the interpolation, in fact i the hole > interpolation is confusing me because we have : > usrp interp, dac rate and usrp rate, i get them all mixed up. If you don't understand interpolation and decimation, I suggest you read up on them and on sampling theory in general. These are _very_ important concepts in SDR. Tom ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
[Discuss-gnuradio] Re: RE: why does this code don't work!! help
hi Tom, thanks for your help, > need to make sure the signal's sampling rate matches the DAC's sampling > rate > of 128 Msps _after_ interpolation (so if inter=128, sampling_freq=1e6). ok I didn't understood the interpolation, in fact i the hole interpolation is confusing me because we have : usrp interp, dac rate and usrp rate, i get them all mixed up. >> src0 = gr.sig_source_f ( sampling_freq, gr.GR_SIN_WAVE, 30e4, 1.0, 1 >> ) >> src1 = gr.sig_source_f ( sampling_freq, gr.GR_SIN_WAVE, 10e4, 0.5, 1 >> ) > > You are using floating point signal sources here ohh that is very stupid of me, i didn't noticed that, didn't even looked there ops Anmar -- Posted via http://www.ruby-forum.com/. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
