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Improving GPS L1 CA tracking Pull-in test flags

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This commit is contained in:
Javier Arribas
2018-07-03 15:18:45 +02:00
parent 12cd65e108
commit d0205847a7
2 changed files with 29 additions and 28 deletions
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14
src/tests/common-files/tracking_tests_flags.h
View File

@@ -36,7 +36,7 @@
// Input signal configuration
DEFINE_bool(enable_external_signal_file, false, "Use an external signal file capture instead of the software-defined signal generator");
DEFINE_string(signal_file, std::string("gps_l1_capture.dat"), "Path of the external signal capture file");
DEFINE_string(signal_file, std::string("signal_out.bin"), "Path of the external signal capture file");
DEFINE_double(CN0_dBHz_start, std::numeric_limits<double>::infinity(), "Enable noise generator and set the CN0 start sweep value [dB-Hz]");
DEFINE_double(CN0_dBHz_stop, std::numeric_limits<double>::infinity(), "Enable noise generator and set the CN0 stop sweep value [dB-Hz]");
DEFINE_double(CN0_dB_step, 3.0, "Noise generator CN0 sweep step value [dB]");
@@ -52,13 +52,13 @@ DEFINE_double(DLL_bw_hz_step, 0.25, "DLL Wide configuration sweep step value [Hz
DEFINE_double(PLL_narrow_bw_hz, 5.0, "PLL Narrow configuration value [Hz]");
DEFINE_double(DLL_narrow_bw_hz, 0.75, "DLL Narrow configuration value [Hz]");
DEFINE_double(Acq_Doppler_error_hz_start, 500.0, "Acquisition Doppler error start sweep value [Hz]");
DEFINE_double(Acq_Doppler_error_hz_stop, -500.0, "Acquisition Doppler error stop sweep value [Hz]");
DEFINE_double(Acq_Doppler_error_hz_step, -50.0, "Acquisition Doppler error sweep step value [Hz]");
DEFINE_double(acq_Doppler_error_hz_start, 1000.0, "Acquisition Doppler error start sweep value [Hz]");
DEFINE_double(acq_Doppler_error_hz_stop, -1000.0, "Acquisition Doppler error stop sweep value [Hz]");
DEFINE_double(acq_Doppler_error_hz_step, -50.0, "Acquisition Doppler error sweep step value [Hz]");
DEFINE_double(Acq_Delay_error_chips_start, 2.0, "Acquisition Code Delay error start sweep value [Hz]");
DEFINE_double(Acq_Delay_error_chips_stop, -2.0, "Acquisition Code Delay error stop sweep value [Hz]");
DEFINE_double(Acq_Delay_error_chips_step, -0.1, "Acquisition Code Delay error sweep step value [Hz]");
DEFINE_double(acq_Delay_error_chips_start, 2.0, "Acquisition Code Delay error start sweep value [Chips]");
DEFINE_double(acq_Delay_error_chips_stop, -2.0, "Acquisition Code Delay error stop sweep value [Chips]");
DEFINE_double(acq_Delay_error_chips_step, -0.1, "Acquisition Code Delay error sweep step value [Chips]");
DEFINE_int32(plot_detail_level, 0, "Specify the desired plot detail (0,1,2): 0 - Minimum plots (default) 2 - Plot all tracking parameters");

37
src/tests/unit-tests/signal-processing-blocks/tracking/gps_l1_ca_dll_pll_tracking_pull-in_test.cc
View File

@@ -177,7 +177,7 @@ public:
const int baseband_sampling_freq = FLAGS_fs_gen_sps;
std::string filename_rinex_obs = FLAGS_filename_rinex_obs;
std::string filename_raw_data = FLAGS_filename_raw_data;
std::string filename_raw_data = FLAGS_signal_file;
std::map<int, double> doppler_measurements_map;
std::map<int, double> code_delay_measurements_map;
@@ -246,7 +246,7 @@ int GpsL1CADllPllTrackingPullInTest::configure_generator(double CN0_dBHz, int fi
p2 = std::string("-obs_pos_file=") + std::string(FLAGS_dynamic_position);
}
p3 = std::string("-rinex_obs_file=") + FLAGS_filename_rinex_obs; // RINEX 2.10 observation file output
p4 = std::string("-sig_out_file=") + FLAGS_filename_raw_data + std::to_string(file_idx); // Baseband signal output file. Will be stored in int8_t IQ multiplexed samples
p4 = std::string("-sig_out_file=") + FLAGS_signal_file + std::to_string(file_idx); // Baseband signal output file. Will be stored in int8_t IQ multiplexed samples
p5 = std::string("-sampling_freq=") + std::to_string(baseband_sampling_freq); //Baseband sampling frequency [MSps]
p6 = std::string("-CN0_dBHz=") + std::to_string(CN0_dBHz); // Signal generator CN0
return 0;
@@ -340,7 +340,7 @@ bool GpsL1CADllPllTrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
acquisition->set_channel(1);
acquisition->set_gnss_synchro(&tmp_gnss_synchro);
acquisition->set_threshold(config->property("Acquisition.threshold", 0.05));
acquisition->set_threshold(config->property("Acquisition.threshold", 0.005));
acquisition->set_doppler_max(config->property("Acquisition.doppler_max", 10000));
acquisition->set_doppler_step(config->property("Acquisition.doppler_step", 250));
@@ -356,7 +356,7 @@ bool GpsL1CADllPllTrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
}
gr::blocks::file_source::sptr file_source;
std::string file = FLAGS_filename_raw_data;
std::string file = FLAGS_signal_file;
const char* file_name = file.c_str();
file_source = gr::blocks::file_source::make(sizeof(int8_t), file_name, false);
gr::blocks::interleaved_char_to_complex::sptr gr_interleaved_char_to_complex = gr::blocks::interleaved_char_to_complex::make();
@@ -389,7 +389,7 @@ bool GpsL1CADllPllTrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
top_block->run();
if (start_msg == true)
{
std::cout << "Reading external signal file: " << FLAGS_filename_raw_data << std::endl;
std::cout << "Reading external signal file: " << FLAGS_signal_file << std::endl;
std::cout << "Searching for GPS Satellites in L1 band..." << std::endl;
std::cout << "[";
start_msg = false;
@@ -433,12 +433,12 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
acq_doppler_error_hz_values;
std::vector<std::vector<double>> acq_delay_error_chips_values; //vector of vector
for (double doppler_hz = FLAGS_Acq_Doppler_error_hz_start; doppler_hz >= FLAGS_Acq_Doppler_error_hz_stop; doppler_hz = doppler_hz + FLAGS_Acq_Doppler_error_hz_step)
for (double doppler_hz = FLAGS_acq_Doppler_error_hz_start; doppler_hz >= FLAGS_acq_Doppler_error_hz_stop; doppler_hz = doppler_hz + FLAGS_acq_Doppler_error_hz_step)
{
acq_doppler_error_hz_values.push_back(doppler_hz);
std::vector<double> tmp_vector;
//Code Delay Sweep
for (double code_delay_chips = FLAGS_Acq_Delay_error_chips_start; code_delay_chips >= FLAGS_Acq_Delay_error_chips_stop; code_delay_chips = code_delay_chips + FLAGS_Acq_Delay_error_chips_step)
for (double code_delay_chips = FLAGS_acq_Delay_error_chips_start; code_delay_chips >= FLAGS_acq_Delay_error_chips_stop; code_delay_chips = code_delay_chips + FLAGS_acq_Delay_error_chips_step)
{
tmp_vector.push_back(code_delay_chips);
}
@@ -451,6 +451,10 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
//***********************************************************
std::vector<double> generator_CN0_values;
if (FLAGS_enable_external_signal_file)
{
generator_CN0_values.push_back(999); // an external input signal capture is selected, no CN0 information available
}
else
{
if (FLAGS_CN0_dBHz_start == FLAGS_CN0_dBHz_stop)
{
@@ -464,18 +468,15 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
}
}
}
else
{
generator_CN0_values.push_back(999); // an external input signal capture is selected, no CN0 information available
}
// use generator or use an external capture file
if (FLAGS_enable_external_signal_file)
{
//create and configure an acquisition block and perform an acquisition to obtain the synchronization parameters
ASSERT_EQ(acquire_GPS_L1CA_signal(FLAGS_test_satellite_PRN), true);
EXPECT_TRUE(doppler_measurements_map.find(FLAGS_test_satellite_PRN) != doppler_measurements_map.end())
<< "Error: satellite SV: " << FLAGS_test_satellite_PRN << " is not acquired";
bool found_satellite = doppler_measurements_map.find(FLAGS_test_satellite_PRN) != doppler_measurements_map.end();
EXPECT_TRUE(found_satellite) << "Error: satellite SV: " << FLAGS_test_satellite_PRN << " is not acquired";
if (!found_satellite) return;
}
else
{
@@ -576,7 +577,7 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
}
else
{
file = FLAGS_filename_raw_data;
file = FLAGS_signal_file;
}
const char* file_name = file.c_str();
gr::blocks::file_source::sptr file_source = gr::blocks::file_source::make(sizeof(int8_t), file_name, false);
@@ -612,7 +613,7 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
//********************************
//***** STEP 7: Plot results *****
//********************************
if (FLAGS_plot_gps_l1_tracking_test == true)
if (FLAGS_plot_detail_level >= 2 and FLAGS_show_plots)
{
//load the measured values
tracking_dump_reader trk_dump;
@@ -657,7 +658,7 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
const std::string gnuplot_executable(FLAGS_gnuplot_executable);
if (gnuplot_executable.empty())
{
std::cout << "WARNING: Although the flag plot_gps_l1_tracking_test has been set to TRUE," << std::endl;
std::cout << "WARNING: Although the flag show_plots has been set to TRUE," << std::endl;
std::cout << "gnuplot has not been found in your system." << std::endl;
std::cout << "Test results will not be plotted." << std::endl;
}
@@ -805,8 +806,8 @@ TEST_F(GpsL1CADllPllTrackingPullInTest, ValidationOfResults)
}
else
{
g4.savetops("trk_pull_in_grid_" + FLAGS_filename_raw_data);
g4.savetopdf("trk_pull_in_grid_" + FLAGS_filename_raw_data, 12);
g4.savetops("trk_pull_in_grid_external_file");
g4.savetopdf("trk_pull_in_grid_external_file", 12);
}
}
}