scripts: rename existing filenames

scripts/plot.py

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+import pylab
+import numpy as np
+
+
+def spectrogram(t, x, Fs, NFFT=256):
+    ax1 = pylab.subplot(211)
+    pylab.plot(t, x)
+
+    pylab.subplot(212, sharex=ax1)
+    pylab.specgram(x, NFFT=NFFT, Fs=Fs, noverlap=NFFT/2,
+                   cmap=pylab.cm.gist_heat)
+
+if __name__ == '__main__':
+    import sys
+    from amodem import common
+    from amodem.config import Configuration
+    config = Configuration()
+
+    for fname in sys.argv[1:]:
+        x = common.load(open(fname, 'rb'))
+        t = np.arange(len(x)) * config.Ts
+        pylab.figure()
+        pylab.title(fname)
+        spectrogram(t, x, config.Fs)
+
+    pylab.show()