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Some python debug plot scripts

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This commit is contained in:
Thomas Kolb 2021-10-17 19:46:30 +02:00
parent 874d8d5073
commit 62ff2938ac
2 changed files with 41 additions and 0 deletions
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18
impl/utils/plot_constellation.py Executable file
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#!/usr/bin/env python3
import sys
import numpy as np
import matplotlib.pyplot as pp
with open(sys.argv[1], 'rb') as infile:
header = infile.read(4)
if header != b'CPX_':
print(f"Error: not a complex signal file. Format {header} not implemented yet.")
exit(1)
T = np.fromfile(infile, dtype=np.float32, count=1)
data = np.fromfile(infile, dtype=np.complex64)
pp.plot(np.real(data), np.imag(data), 'x')
pp.show()

23
impl/utils/plot_timedomain.py Executable file
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#!/usr/bin/env python3
import sys
import numpy as np
import matplotlib.pyplot as pp
with open(sys.argv[1], 'rb') as infile:
header = infile.read(4)
if header != b'CPX_':
print(f"Error: not a complex signal file. Format {header} not implemented yet.")
exit(1)
T = np.fromfile(infile, dtype=np.float32, count=1)
data = np.fromfile(infile, dtype=np.complex64)
t = np.arange(0, T*data.size, T)
pp.plot(t, np.real(data), 'r-')
pp.plot(t, np.imag(data), 'b-')
pp.legend(['In-phase', 'Quadrature'])
pp.xlabel('Time [s]')
pp.show()