3 # Copyright 2007 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
7 # GNU Radio is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2, or (at your option)
12 # GNU Radio is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GNU Radio; see the file COPYING. If not, write to
19 # the Free Software Foundation, Inc., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
26 from optparse import OptionParser
31 usage="%prog: [options] output_filename"
32 parser = OptionParser(conflict_handler="resolve", usage=usage)
33 parser.add_option("-s", "--size", type="int", default=None,
34 help="Specify the number of points to plot [default=%default]")
35 parser.add_option("", "--skip", type="int", default=None,
36 help="Specify the number of points to skip [default=%default]")
38 (options, args) = parser.parse_args ()
44 iq = gr_read_binary.read_complex_binary(filename)
46 if(options.skip is None):
49 if((options.size is None) or ((options.skip+options.size) > len(iq[0]))):
50 options.size = len(iq[0]) - options.skip
52 reals = iq[0][options.skip : options.skip + options.size]
53 imags = iq[1][options.skip : options.skip + options.size]
54 x = range(options.skip, options.skip + options.size)
56 # PLOT REAL AND IMAGINARY PARTS
58 f = figure(1, figsize=(16, 12), facecolor='w')
59 rcParams['xtick.labelsize'] = 16
60 rcParams['ytick.labelsize'] = 16
62 sp1 = f.add_subplot(1,1,1)
63 sp1.set_title(("I&Q"), fontsize=26, fontweight="bold")
64 sp1.set_xlabel("Time (s)", fontsize=20, fontweight="bold")
65 sp1.set_ylabel("Amplitude (V)", fontsize=20, fontweight="bold")
66 plot(x, reals, 'bo-', x, imags, 'ro-')
70 if __name__ == "__main__":
73 except KeyboardInterrupt: