diff options
| author | Douglas Anderson <danderson@ntia.doc.gov> | 2017-02-12 15:52:19 -0800 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2017-02-26 18:21:22 -0800 |
| commit | 9e625c4821f4c63421b3d3747c0c4f358fef6c5f (patch) | |
| tree | 41dedbe053417be7314cdce15d64fbbb89db4d8d /gr-filter/examples/reconstruction.py | |
| parent | e5aabcc6a4a9335f3ef8abf5f89104b626e9364d (diff) | |
python3: update non-GRC components to use python2 or python3
Diffstat (limited to 'gr-filter/examples/reconstruction.py')
| -rw-r--r--[-rwxr-xr-x] | gr-filter/examples/reconstruction.py | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/gr-filter/examples/reconstruction.py b/gr-filter/examples/reconstruction.py index 0a83b5a4e0..c9c1cd3922 100755..100644 --- a/gr-filter/examples/reconstruction.py +++ b/gr-filter/examples/reconstruction.py @@ -20,6 +20,9 @@ # Boston, MA 02110-1301, USA. # +from __future__ import print_function +from __future__ import division +from __future__ import unicode_literals from gnuradio import gr, digital from gnuradio import filter from gnuradio import blocks @@ -28,20 +31,20 @@ import sys try: from gnuradio import channels except ImportError: - print "Error: Program requires gr-channels." + print("Error: Program requires gr-channels.") sys.exit(1) try: import scipy from scipy import fftpack except ImportError: - print "Error: Program requires scipy (see: www.scipy.org)." + print("Error: Program requires scipy (see: www.scipy.org).") sys.exit(1) try: import pylab except ImportError: - print "Error: Program requires matplotlib (see: matplotlib.sourceforge.net)." + print("Error: Program requires matplotlib (see: matplotlib.sourceforge.net).") sys.exit(1) fftlen = 8192 @@ -49,7 +52,7 @@ fftlen = 8192 def main(): N = 10000 fs = 2000.0 - Ts = 1.0/fs + Ts = 1.0 / fs t = scipy.arange(0, N*Ts, Ts) # When playing with the number of channels, be careful about the filter @@ -62,7 +65,7 @@ def main(): proto_taps = filter.firdes.low_pass_2(1, nchans*fs, bw, tb, 80, filter.firdes.WIN_BLACKMAN_hARRIS) - print "Filter length: ", len(proto_taps) + print("Filter length: ", len(proto_taps)) # Create a modulated signal @@ -95,7 +98,7 @@ def main(): tb.connect(rrc, src_snk) vsnk = [] - for i in xrange(nchans): + for i in range(nchans): tb.connect((channelizer,i), (synthesizer, i)) vsnk.append(blocks.vector_sink_c()) @@ -131,10 +134,10 @@ def main(): # Plot channels nrows = int(scipy.sqrt(nchans)) - ncols = int(scipy.ceil(float(nchans)/float(nrows))) + ncols = int(scipy.ceil(float(nchans) / float(nrows))) f2 = pylab.figure(2, figsize=(16,12), facecolor='w') - for n in xrange(nchans): + for n in range(nchans): s = f2.add_subplot(nrows, ncols, n+1) s.psd(vsnk[n].data(), NFFT=fftlen, Fs=fs_in) s.set_title("Channel {0}".format(n)) |