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Re: [Discuss-gnuradio] Spectrum_sense of a smaller banwidth
From: |
Adi85 |
Subject: |
Re: [Discuss-gnuradio] Spectrum_sense of a smaller banwidth |
Date: |
Tue, 10 Mar 2009 03:33:32 -0700 (PDT) |
Still getting an error!
thank you in advance
class topBlock(gr.top_block):
> def __init__(self):
> gr.top_block.__init__(self)
>
> fftsize = 256
> udecim = 256
>
> mywin = window.blackmanharris(fftsize)
> fft = gr.fft_vcc(fftsize, True, mywin)
>
> signal = usrp.source_c(0,udecim) # signal from Basic RX,
> decimation=256
> v_sink = gr.vector_sink_c()
>
> self.connect(signal, fft, v_sink)
>
> # Do stuff with v_sink.data()
> print v_sink.data()
>
if __name__ == "__main__":
> print "Initilizing.."
> tb = topBlock()
> print "Flowgraph start.."
> tb.start()
> print "Exiting.."
but i get the same error:
ValueError: itemsize mismatch: usrp1_source_c(2):0 using 8,
fft_vcc_fftw(1):0 using 2048
the value 2048 depends of the fft size 2048=8*256
thank you very much!
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