Hi Sneha - You need to take a look at the command being issued (from the debugging traceback) in the file "/home/sneha/My_waveform/past work/transmit.py", line 250. The code is clearly is not setting the filter initialization parameters correctly! Without seeing your code I think nobody here can say much more. Hope this is useful! - MLD
On Wed, Jun 5, 2019, at 10:35 AM, Sneha vasan wrote: > Hi everyone, > > Can anybody guide me on this???.. I am using x310 with sampling rate of 1MHz. > > Traceback (most recent call last): > File "/home/sneha/My_waveform/past work/transmit.py", line 414, in <module> > main() > File "/home/sneha/My_waveform/past work/transmit.py", line 402, in main > tb = top_block_cls() > File "/home/sneha/My_waveform/past work/transmit.py", line 250, in __init__ > callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload), > File "/usr/local/lib/python2.7/dist-packages/gnuradio/digital/ofdm.py", line > 223, in __init__ > options.log) > File > "/usr/local/lib/python2.7/dist-packages/gnuradio/digital/ofdm_receiver.py", > line 78, in __init__ > filter.firdes.WIN_HAMMING) # filter type > File > "/usr/local/lib/python2.7/dist-packages/gnuradio/filter/filter_swig.py", line > 143, in low_pass > return _filter_swig.firdes_low_pass(*args, **kwargs) > RuntimeError: firdes check failed: 0 < fa <= sampling_freq / 2 > > > Regards, > Sneha > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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