On Fri, Feb 1, 2013 at 9:59 AM, Ghulam Rasool Begh <[email protected]>wrote:
> > > --- On *Fri, 2/1/13, Ghulam Rasool Begh <[email protected]>* wrote: > > > From: Ghulam Rasool Begh <[email protected]> > > Subject: Re: [Discuss-gnuradio] Error in executing filtering example > To: "Tom Rondeau" <[email protected]> > Date: Friday, February 1, 2013, 8:28 PM > > > Thanks for reply. > Actually from the presentation I could get all values but for ¨*variable > block*¨ with ID as taps , i was not sure what value I should choose as it > was not clear from the presentation i downloaded. I guess if proper value > is given to that block, the flow graph will run. > > The 'taps' variable are the filter taps that go into the FFT Filter block. As you change these taps, you change the response of the filter. It is already filled in as " firdes.low_pass_2(1, samp_rate, bw, bw/10.0, 80)" Where 'samp_rate' is static variable set to 100 ksps and the 'bw' is a dynamic variable that can be changed at runtime by the Qt slider. Tom > --- On *Fri, 2/1/13, Tom Rondeau <[email protected]>* wrote: > > > From: Tom Rondeau <[email protected]> > Subject: Re: [Discuss-gnuradio] Error in executing filtering example > To: "Ghulam Rasool Begh" <[email protected]> > Cc: "Gnu Radio" <[email protected]> > Date: Friday, February 1, 2013, 8:04 PM > > On Fri, Feb 1, 2013 at 12:00 AM, Ghulam Rasool Begh > <[email protected]>wrote: > > Hi all, > I was simulating filtering.grc example from* Digital Modulation Primer > using GNU Radio by Tom Rondeau. *However during execution it gives > following error. Can anybody help it out. > > Executing: "/home/ehsan/mygn/filtering.py" > > Traceback (most recent call last): > File "/home/ehsan/mygn/filtering.py", line 119, in <module> > tb = filtering() > File "/home/ehsan/mygn/filtering.py", line 83, in __init__ > self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (), 1) > File > "/usr/local/lib/python2.7/site-packages/gnuradio/filter/filter_swig.py", > line 677, in make > return _filter_swig.fft_filter_ccc_make(*args, **kwargs) > RuntimeError: fft_impl_fftw: invalid fft_size > > >>> Done > > With Regards > G R Begh > > > Can you tell us what you were doing when you go this error? Was it running > at all? > > Tom > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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