I guess I have MATLAB on this machine for a reason... Maybe I should use it.
Thanks On 7/10/07, Matt Ettus <[EMAIL PROTECTED]> wrote:
The scope does not display every sample. It only redraws at about 20 or 25 Hz as I remember, and is really only intended for continuous streams of data. Matt Jeffrey Karrels wrote: > Hello all > > Let me try and explain my issue. > > I have a file source connected to a filter and a scope sink. I see > that my scope only displays data if the source file is size x or > greater. (around 2100 samples in my case). In cases where the input > source file is smaller than x I get a blank (white) scope screen. Can > someone explain to me what is going on there? Is there a way to > display smaller files? (or do I just have an error in my methodology?) > > > Thanks > Jeff > > ######### > ... > sps = usrp_rate / options.decim_rate > > #Setup scopes > self.scope1 = scopesink.scope_sink_f(self, panel, sample_rate=sps) > > self._build_gui(vbox) > > #Data source files > signal_src = gr.file_source(gr.sizeof_gr_complex, options.signal_file) > > > #Filter Signal Data > xtaps_signal = gr.firdes.low_pass(1.0, sps, filter_cutoff, > filter_transition_width,gr.firdes.WIN_HAMMING) > > xfilter_signal = gr.freq_xlating_fir_filter_ccf(1, xtaps_signal, > offset, sps) > self.connect(signal_src,xfilter_signal) > > c2r1 = gr.complex_to_real() > > self.connect(xfilter_signal, c2r1, (self.scope1,0)) > ... > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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