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Improving tracking pull-in test

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This commit is contained in:
Javier Arribas 2018-08-01 09:55:59 +02:00
parent 477967ed32
commit 7697263a03
1 changed files with 25 additions and 21 deletions
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46
src/tests/unit-tests/signal-processing-blocks/tracking/tracking_pull-in_test.cc
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@ -230,7 +230,7 @@ public:
double DLL_narrow_bw_hz, double DLL_narrow_bw_hz,
int extend_correlation_symbols); int extend_correlation_symbols);
bool acquire_GPS_L1CA_signal(int SV_ID); bool acquire_signal(int SV_ID);
gr::top_block_sptr top_block; gr::top_block_sptr top_block;
std::shared_ptr<GNSSBlockFactory> factory; std::shared_ptr<GNSSBlockFactory> factory;
std::shared_ptr<InMemoryConfiguration> config; std::shared_ptr<InMemoryConfiguration> config;
@ -381,7 +381,7 @@ void TrackingPullInTest::configure_receiver(
} }
bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID) bool TrackingPullInTest::acquire_signal(int SV_ID)
{ {
// 1. Setup GNU Radio flowgraph (file_source -> Acquisition_10m) // 1. Setup GNU Radio flowgraph (file_source -> Acquisition_10m)
gr::top_block_sptr top_block; gr::top_block_sptr top_block;
@ -406,7 +406,8 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
{ {
tmp_gnss_synchro.System = 'G'; tmp_gnss_synchro.System = 'G';
std::string signal = "1C"; std::string signal = "1C";
signal.copy(tmp_gnss_synchro.Signal, 2, 0); const char* str = signal.c_str(); // get a C style null terminated string
std::memcpy(static_cast<void*>(tmp_gnss_synchro.Signal), str, 3); // copy string into synchro char array: 2 char + null
tmp_gnss_synchro.PRN = SV_ID; tmp_gnss_synchro.PRN = SV_ID;
System_and_Signal = "GPS L1 CA"; System_and_Signal = "GPS L1 CA";
config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells)); config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells));
@ -416,7 +417,8 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
{ {
tmp_gnss_synchro.System = 'E'; tmp_gnss_synchro.System = 'E';
std::string signal = "1B"; std::string signal = "1B";
signal.copy(tmp_gnss_synchro.Signal, 2, 0); const char* str = signal.c_str(); // get a C style null terminated string
std::memcpy(static_cast<void*>(tmp_gnss_synchro.Signal), str, 3); // copy string into synchro char array: 2 char + null
tmp_gnss_synchro.PRN = SV_ID; tmp_gnss_synchro.PRN = SV_ID;
System_and_Signal = "Galileo E1B"; System_and_Signal = "Galileo E1B";
config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells)); config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells));
@ -426,7 +428,8 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
{ {
tmp_gnss_synchro.System = 'G'; tmp_gnss_synchro.System = 'G';
std::string signal = "2S"; std::string signal = "2S";
signal.copy(tmp_gnss_synchro.Signal, 2, 0); const char* str = signal.c_str(); // get a C style null terminated string
std::memcpy(static_cast<void*>(tmp_gnss_synchro.Signal), str, 3); // copy string into synchro char array: 2 char + null
tmp_gnss_synchro.PRN = SV_ID; tmp_gnss_synchro.PRN = SV_ID;
System_and_Signal = "GPS L2CM"; System_and_Signal = "GPS L2CM";
config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells)); config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells));
@ -436,7 +439,8 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
{ {
tmp_gnss_synchro.System = 'E'; tmp_gnss_synchro.System = 'E';
std::string signal = "5X"; std::string signal = "5X";
signal.copy(tmp_gnss_synchro.Signal, 2, 0); const char* str = signal.c_str(); // get a C style null terminated string
std::memcpy(static_cast<void*>(tmp_gnss_synchro.Signal), str, 3); // copy string into synchro char array: 2 char + null
tmp_gnss_synchro.PRN = SV_ID; tmp_gnss_synchro.PRN = SV_ID;
System_and_Signal = "Galileo E5a"; System_and_Signal = "Galileo E5a";
config->set_property("Acquisition_5X.coherent_integration_time_ms", "1"); config->set_property("Acquisition_5X.coherent_integration_time_ms", "1");
@ -451,7 +455,8 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
{ {
tmp_gnss_synchro.System = 'E'; tmp_gnss_synchro.System = 'E';
std::string signal = "5X"; std::string signal = "5X";
signal.copy(tmp_gnss_synchro.Signal, 2, 0); const char* str = signal.c_str(); // get a C style null terminated string
std::memcpy(static_cast<void*>(tmp_gnss_synchro.Signal), str, 3); // copy string into synchro char array: 2 char + null
tmp_gnss_synchro.PRN = SV_ID; tmp_gnss_synchro.PRN = SV_ID;
System_and_Signal = "Galileo E5a"; System_and_Signal = "Galileo E5a";
config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells)); config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells));
@ -461,7 +466,8 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
{ {
tmp_gnss_synchro.System = 'G'; tmp_gnss_synchro.System = 'G';
std::string signal = "L5"; std::string signal = "L5";
signal.copy(tmp_gnss_synchro.Signal, 2, 0); const char* str = signal.c_str(); // get a C style null terminated string
std::memcpy(static_cast<void*>(tmp_gnss_synchro.Signal), str, 3); // copy string into synchro char array: 2 char + null
tmp_gnss_synchro.PRN = SV_ID; tmp_gnss_synchro.PRN = SV_ID;
System_and_Signal = "GPS L5I"; System_and_Signal = "GPS L5I";
config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells)); config->set_property("Acquisition.max_dwells", std::to_string(FLAGS_external_signal_acquisition_dwells));
@ -523,7 +529,7 @@ bool TrackingPullInTest::acquire_GPS_L1CA_signal(int SV_ID)
acq_samplestamp_map.clear(); acq_samplestamp_map.clear();
for (unsigned int PRN = 1; PRN < 33; PRN++) for (unsigned int PRN = 1; PRN < 37; PRN++)
{ {
tmp_gnss_synchro.PRN = PRN; tmp_gnss_synchro.PRN = PRN;
acquisition->set_gnss_synchro(&tmp_gnss_synchro); acquisition->set_gnss_synchro(&tmp_gnss_synchro);
@ -625,7 +631,7 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
if (FLAGS_enable_external_signal_file) if (FLAGS_enable_external_signal_file)
{ {
//create and configure an acquisition block and perform an acquisition to obtain the synchronization parameters //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); ASSERT_EQ(acquire_signal(FLAGS_test_satellite_PRN), true);
bool found_satellite = doppler_measurements_map.find(FLAGS_test_satellite_PRN) != doppler_measurements_map.end(); 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"; EXPECT_TRUE(found_satellite) << "Error: satellite SV: " << FLAGS_test_satellite_PRN << " is not acquired";
if (!found_satellite) return; if (!found_satellite) return;
@ -743,7 +749,7 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
top_block->connect(head_samples, 0, tracking->get_left_block(), 0); top_block->connect(head_samples, 0, tracking->get_left_block(), 0);
top_block->connect(tracking->get_right_block(), 0, sink, 0); top_block->connect(tracking->get_right_block(), 0, sink, 0);
top_block->msg_connect(tracking->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events")); top_block->msg_connect(tracking->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
file_source->seek(2 * FLAGS_skip_samples + acq_samplestamp_samples, 0); //skip head. ibyte, two bytes per complex sample file_source->seek(2 * FLAGS_skip_samples, 0); //skip head. ibyte, two bytes per complex sample
}) << "Failure connecting the blocks of tracking test."; }) << "Failure connecting the blocks of tracking test.";
@ -841,7 +847,7 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
} }
else else
{ {
g1.set_title("D_e=" + std::to_string(acq_doppler_error_hz_values.at(current_acq_doppler_error_idx)) + " [Hz] " + "T_e= " + std::to_string(acq_delay_error_chips_values.at(current_acq_doppler_error_idx).at(current_acq_code_error_idx)) + " [Chips], PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")"); g1.set_title("D_e=" + std::to_string(acq_doppler_error_hz_values.at(current_acq_doppler_error_idx)) + " [Hz] " + "T_e= " + std::to_string(acq_delay_error_chips_values.at(current_acq_doppler_error_idx).at(current_acq_code_error_idx)) + " [Chips], PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
} }
g1.set_grid(); g1.set_grid();
@ -857,18 +863,17 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
g1.plot_xy(trk_timestamp_s, v_late, "Very Late", decimate); g1.plot_xy(trk_timestamp_s, v_late, "Very Late", decimate);
} }
g1.set_legend(); g1.set_legend();
//g1.savetops("Correlators_outputs" + std::to_string(generator_CN0_values.at(current_cn0_idx))); g1.savetops("Correlators_outputs");
//g1.savetopdf("Correlators_outputs" + std::to_string(generator_CN0_values.at(current_cn0_idx)), 18);
Gnuplot g2("points"); Gnuplot g2("points");
g2.showonscreen(); // window output g2.showonscreen(); // window output
if (!FLAGS_enable_external_signal_file) if (!FLAGS_enable_external_signal_file)
{ {
g2.set_title(std::to_string(generator_CN0_values.at(current_cn0_idx)) + " dB-Hz Constellation " + "PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")"); g2.set_title(std::to_string(generator_CN0_values.at(current_cn0_idx)) + " dB-Hz Constellation " + "PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
} }
else else
{ {
g2.set_title("D_e=" + std::to_string(acq_doppler_error_hz_values.at(current_acq_doppler_error_idx)) + " [Hz] " + "T_e= " + std::to_string(acq_delay_error_chips_values.at(current_acq_doppler_error_idx).at(current_acq_code_error_idx)) + " [Chips], PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")"); g2.set_title("D_e=" + std::to_string(acq_doppler_error_hz_values.at(current_acq_doppler_error_idx)) + " [Hz] " + "T_e= " + std::to_string(acq_delay_error_chips_values.at(current_acq_doppler_error_idx).at(current_acq_code_error_idx)) + " [Chips], PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
} }
g2.set_grid(); g2.set_grid();
@ -876,8 +881,7 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
g2.set_ylabel("Quadrature"); g2.set_ylabel("Quadrature");
//g2.cmd("set size ratio -1"); //g2.cmd("set size ratio -1");
g2.plot_xy(promptI, promptQ); g2.plot_xy(promptI, promptQ);
//g2.savetops("Constellation"); g2.savetops("Constellation");
//g2.savetopdf("Constellation", 18);
Gnuplot g3("linespoints"); Gnuplot g3("linespoints");
if (!FLAGS_enable_external_signal_file) if (!FLAGS_enable_external_signal_file)
@ -886,7 +890,7 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
} }
else else
{ {
g3.set_title("D_e=" + std::to_string(acq_doppler_error_hz_values.at(current_acq_doppler_error_idx)) + " [Hz] " + "T_e= " + std::to_string(acq_delay_error_chips_values.at(current_acq_doppler_error_idx).at(current_acq_code_error_idx)) + " [Chips] PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")"); g3.set_title("D_e=" + std::to_string(acq_doppler_error_hz_values.at(current_acq_doppler_error_idx)) + " [Hz] " + "T_e= " + std::to_string(acq_delay_error_chips_values.at(current_acq_doppler_error_idx).at(current_acq_code_error_idx)) + " [Chips] PLL/DLL BW: " + std::to_string(FLAGS_PLL_bw_hz_start) + "," + std::to_string(FLAGS_DLL_bw_hz_start) + " [Hz], (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
} }
g3.set_grid(); g3.set_grid();
g3.set_xlabel("Time [s]"); g3.set_xlabel("Time [s]");
@ -897,8 +901,8 @@ TEST_F(TrackingPullInTest, ValidationOfResults)
std::to_string(static_cast<int>(round(generator_CN0_values.at(current_cn0_idx)))) + "[dB-Hz]", decimate); std::to_string(static_cast<int>(round(generator_CN0_values.at(current_cn0_idx)))) + "[dB-Hz]", decimate);
g3.set_legend(); g3.set_legend();
//g3.savetops("CN0_output"); g3.savetops("CN0_output");
//g3.savetopdf("CN0_output", 18);
g3.showonscreen(); // window output g3.showonscreen(); // window output
} }
} }