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gnss-sdr/utils/python/plot_tracking_quality_indicators.py

77 lines
2.5 KiB
Python

"""
plot_tracking_quality_indicators.py
Irene Pérez Riega, 2023. iperrie@inta.es
Modifiable in the file:
channels - Number of channels
firs_channel - Number of the first channel
path - Path to folder which contains raw files
fig_path - Path where doppler plots will be save
'trk_dump_ch' - Fixed part of the tracking dump files names
-----------------------------------------------------------------------------
GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
This file is part of GNSS-SDR.
Copyright (C) 2022 (see AUTHORS file for a list of contributors)
SPDX-License-Identifier: GPL-3.0-or-later
-----------------------------------------------------------------------------
"""
import matplotlib.pyplot as plt
import numpy as np
import os
from lib.dll_pll_veml_read_tracking_dump import dll_pll_veml_read_tracking_dump
GNSS_tracking = []
plot_names = []
# ---------- CHANGE HERE:
channels = 5
first_channel = 0
path = '/home/labnav/Desktop/TEST_IRENE/tracking'
fig_path = '/home/labnav/Desktop/TEST_IRENE/PLOTS/TrackingQualityIndicator'
for N in range(1, channels + 1):
tracking_log_path = os.path.join(path,
f'trk_dump_ch{N-1+first_channel}.dat')
GNSS_tracking.append(dll_pll_veml_read_tracking_dump(tracking_log_path))
if not os.path.exists(fig_path):
os.makedirs(fig_path)
# Plot tracking quality indicators
# First plot
plt.figure()
plt.gcf().canvas.manager.set_window_title('Carrier lock test output for all '
'the channels')
plt.title('Carrier lock test output for all the channels')
for n in range(len(GNSS_tracking)):
plt.plot(GNSS_tracking[n]['carrier_lock_test'])
plot_names.append(f'SV {str(round(np.mean(GNSS_tracking[n]["PRN"])))}')
plt.legend(plot_names)
plt.savefig(os.path.join(fig_path,
f'carrier_lock_test '
f'{str(round(np.mean(GNSS_tracking[n]["PRN"])))}'))
plt.show()
# Second plot
plt.figure()
plt.gcf().canvas.manager.set_window_title('Carrier CN0 output for all the '
'channels')
plt.title('Carrier CN0 output for all the channels')
for n in range(len(GNSS_tracking)):
plt.plot(GNSS_tracking[n]['CN0_SNV_dB_Hz'])
plot_names.append(f'CN0_SNV_dB_Hz '
f'{str(round(np.mean(GNSS_tracking[n]["PRN"])))}')
plt.legend(plot_names)
plt.savefig(os.path.join(
fig_path, f'SV {str(round(np.mean(GNSS_tracking[n]["PRN"])))}'))
plt.show()