mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2025-06-25 22:52:52 +00:00
Improving gnuplot and adding DLL/PLL bandwidth sweep options to DLL/PLL unit test
This commit is contained in:
Javier Arribas
parent
306f8103d2
commit
6bb284b9bb
@ -69,7 +69,7 @@
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#elif defined(unix) || defined(__unix) || defined(__unix__) || defined(__APPLE__)
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//all UNIX-like OSs (Linux, *BSD, MacOSX, Solaris, ...)
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#include <unistd.h> // for access(), mkstemp()
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#define GP_MAX_TMP_FILES 64
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#define GP_MAX_TMP_FILES 1024
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#else
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#error unsupported or unknown operating system
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#endif
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@ -61,6 +61,15 @@ DEFINE_double(CN0_dBHz_start, std::numeric_limits<double>::infinity(), "Enable n
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DEFINE_double(CN0_dBHz_stop, std::numeric_limits<double>::infinity(), "Enable noise generator and set the CN0 stop sweep value [dB-Hz]");
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DEFINE_double(CN0_dB_step, 3.0, "Noise generator CN0 sweep step value [dB]");
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DEFINE_double(PLL_bw_hz_start, 40.0, "PLL Wide configuration start sweep value [Hz]");
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DEFINE_double(PLL_bw_hz_stop, 40.0, "PLL Wide configuration stop sweep value [Hz]");
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DEFINE_double(PLL_bw_hz_step, 5.0, "PLL Wide configuration sweep step value [Hz]");
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DEFINE_double(DLL_bw_hz_start, 1.5, "DLL Wide configuration start sweep value [Hz]");
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DEFINE_double(DLL_bw_hz_stop, 1.5, "DLL Wide configuration stop sweep value [Hz]");
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DEFINE_double(DLL_bw_hz_step, 0.25, "DLL Wide configuration sweep step value [Hz]");
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DEFINE_bool(plot_extra, false, "Enable or disable plots of the correlators output and constellation diagrams");
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//Emulated acquisition configuration
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@ -176,7 +185,11 @@ public:
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{
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}
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void configure_receiver();
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void configure_receiver(double PLL_wide_bw_hz,
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double DLL_wide_bw_hz,
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double PLL_narrow_bw_hz,
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double DLL_narrow_bw_hz,
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int extend_correlation_symbols);
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gr::top_block_sptr top_block;
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std::shared_ptr<GNSSBlockFactory> factory;
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@ -231,7 +244,12 @@ int GpsL1CADllPllTrackingTest::generate_signal()
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}
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void GpsL1CADllPllTrackingTest::configure_receiver()
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void GpsL1CADllPllTrackingTest::configure_receiver(
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double PLL_wide_bw_hz,
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double DLL_wide_bw_hz,
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double PLL_narrow_bw_hz,
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double DLL_narrow_bw_hz,
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int extend_correlation_symbols)
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{
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gnss_synchro.Channel_ID = 0;
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gnss_synchro.System = 'G';
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@ -239,19 +257,31 @@ void GpsL1CADllPllTrackingTest::configure_receiver()
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signal.copy(gnss_synchro.Signal, 2, 0);
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gnss_synchro.PRN = FLAGS_test_satellite_PRN;
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config = std::make_shared<InMemoryConfiguration>();
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config->set_property("GNSS-SDR.internal_fs_sps", std::to_string(baseband_sampling_freq));
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// Set Tracking
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config->set_property("Tracking_1C.implementation", implementation);
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config->set_property("Tracking_1C.item_type", "gr_complex");
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config->set_property("Tracking_1C.pll_bw_hz", "20.0");
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config->set_property("Tracking_1C.dll_bw_hz", "1.5");
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config->set_property("Tracking_1C.pll_bw_hz", std::to_string(PLL_wide_bw_hz));
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config->set_property("Tracking_1C.dll_bw_hz", std::to_string(DLL_wide_bw_hz));
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config->set_property("Tracking_1C.early_late_space_chips", "0.5");
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config->set_property("Tracking_1C.extend_correlation_symbols", std::to_string(FLAGS_extend_correlation_symbols));
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config->set_property("Tracking_1C.pll_bw_narrow_hz", "2.0");
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config->set_property("Tracking_1C.dll_bw_narrow_hz", "1.0");
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config->set_property("Tracking_1C.extend_correlation_symbols", std::to_string(extend_correlation_symbols));
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config->set_property("Tracking_1C.pll_bw_narrow_hz", std::to_string(PLL_narrow_bw_hz));
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config->set_property("Tracking_1C.dll_bw_narrow_hz", std::to_string(DLL_narrow_bw_hz));
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config->set_property("Tracking_1C.early_late_space_narrow_chips", "0.5");
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config->set_property("Tracking_1C.dump", "true");
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config->set_property("Tracking_1C.dump_filename", "./tracking_ch_");
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std::cout << "*****************************************\n";
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std::cout << "*** Tracking configuration parameters ***\n";
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std::cout << "*****************************************\n";
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std::cout << "pll_bw_hz: " << config->property("Tracking_1C.pll_bw_hz", 0.0) << " Hz\n";
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std::cout << "dll_bw_hz: " << config->property("Tracking_1C.dll_bw_hz", 0.0) << " Hz\n";
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std::cout << "pll_bw_narrow_hz: " << config->property("Tracking_1C.pll_bw_narrow_hz", 0.0) << " Hz\n";
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std::cout << "dll_bw_narrow_hz: " << config->property("Tracking_1C.dll_bw_narrow_hz", 0.0) << " Hz\n";
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std::cout << "extend_correlation_symbols: " << config->property("Tracking_1C.extend_correlation_symbols", 0) << " Symbols\n";
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std::cout << "*****************************************\n";
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std::cout << "*****************************************\n";
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}
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@ -409,26 +439,16 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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std::vector<double> generator_CN0_values;
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std::vector<std::vector<double>> prompt_sweep;
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std::vector<std::vector<double>> early_sweep;
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std::vector<std::vector<double>> late_sweep;
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std::vector<std::vector<double>> promptI_sweep;
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std::vector<std::vector<double>> promptQ_sweep;
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std::vector<std::vector<double>> CN0_dBHz_sweep;
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std::vector<std::vector<double>> trk_timestamp_s_sweep;
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//error vectors
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std::vector<std::vector<double>> doppler_error_sweep;
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std::vector<double> mean_doppler_error_sweep;
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std::vector<double> std_dev_doppler_error_sweep;
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//data containers for config param sweep
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std::vector<std::vector<double>> mean_doppler_error_sweep; //swep config param and cn0 sweep
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std::vector<std::vector<double>> std_dev_doppler_error_sweep; //swep config param and cn0 sweep
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std::vector<std::vector<double>> code_phase_error_sweep;
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std::vector<double> mean_code_phase_error_sweep;
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std::vector<double> std_dev_code_phase_error_sweep;
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std::vector<std::vector<double>> mean_code_phase_error_sweep; //swep config param and cn0 sweep
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std::vector<std::vector<double>> std_dev_code_phase_error_sweep; //swep config param and cn0 sweep
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std::vector<std::vector<double>> acc_carrier_phase_error_sweep;
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std::vector<double> mean_carrier_phase_error_sweep;
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std::vector<double> std_dev_carrier_phase_error_sweep;
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std::vector<std::vector<double>> mean_carrier_phase_error_sweep; //swep config param and cn0 sweep
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std::vector<std::vector<double>> std_dev_carrier_phase_error_sweep; //swep config param and cn0 sweep
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std::vector<std::vector<double>> trk_valid_timestamp_s_sweep;
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@ -474,8 +494,67 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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}
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//CN0 LOOP
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// CONFIG PARAM SWEEP LOOP
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std::vector<double> PLL_wide_bw_values;
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std::vector<double> DLL_wide_bw_values;
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if (FLAGS_PLL_bw_hz_start == FLAGS_PLL_bw_hz_stop)
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{
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if (FLAGS_DLL_bw_hz_start == FLAGS_DLL_bw_hz_stop)
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{
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//NO PLL/DLL BW sweep
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PLL_wide_bw_values.push_back(FLAGS_PLL_bw_hz_start);
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DLL_wide_bw_values.push_back(FLAGS_DLL_bw_hz_start);
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}
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else
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{
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//DLL BW Sweep
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for (double dll_bw = FLAGS_DLL_bw_hz_start; dll_bw > FLAGS_DLL_bw_hz_stop; dll_bw = dll_bw - FLAGS_DLL_bw_hz_step)
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{
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PLL_wide_bw_values.push_back(FLAGS_PLL_bw_hz_start);
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DLL_wide_bw_values.push_back(dll_bw);
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}
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}
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}
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else
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{
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//PLL BW Sweep
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for (double pll_bw = FLAGS_PLL_bw_hz_start; pll_bw > FLAGS_PLL_bw_hz_stop; pll_bw = pll_bw - FLAGS_PLL_bw_hz_step)
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{
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PLL_wide_bw_values.push_back(pll_bw);
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DLL_wide_bw_values.push_back(FLAGS_DLL_bw_hz_start);
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}
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}
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for (int config_idx = 0; config_idx < PLL_wide_bw_values.size(); config_idx++)
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{
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//CN0 LOOP
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// data containers for CN0 sweep
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std::vector<std::vector<double>> prompt_sweep;
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std::vector<std::vector<double>> early_sweep;
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std::vector<std::vector<double>> late_sweep;
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std::vector<std::vector<double>> promptI_sweep;
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std::vector<std::vector<double>> promptQ_sweep;
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std::vector<std::vector<double>> CN0_dBHz_sweep;
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std::vector<std::vector<double>> trk_timestamp_s_sweep;
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std::vector<std::vector<double>> doppler_error_sweep;
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std::vector<std::vector<double>> code_phase_error_sweep;
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std::vector<std::vector<double>> acc_carrier_phase_error_sweep;
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std::vector<double> mean_doppler_error;
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std::vector<double> std_dev_doppler_error;
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std::vector<double> mean_code_phase_error;
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std::vector<double> std_dev_code_phase_error;
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std::vector<double> mean_carrier_phase_error;
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std::vector<double> std_dev_carrier_phase_error;
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configure_receiver(PLL_wide_bw_values.at(config_idx),
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DLL_wide_bw_values.at(config_idx),
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2.0,
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1.0,
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FLAGS_extend_correlation_symbols);
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for (int current_cn0_idx = 0; current_cn0_idx < generator_CN0_values.size(); current_cn0_idx++)
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{
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//******************************************************************************************
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@ -506,7 +585,6 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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//***** STEP 4: Configure the signal tracking parameters *****
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//************************************************************
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std::chrono::time_point<std::chrono::system_clock> start, end;
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configure_receiver();
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top_block = gr::make_top_block("Tracking test");
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@ -612,6 +690,11 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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//***** STEP 6: Compare with true values (if available) *****
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//***********************************************************
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if (!FLAGS_enable_external_signal_file)
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{
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std::vector<double> doppler_error_hz;
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std::vector<double> code_phase_error_chips;
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std::vector<double> acc_carrier_phase_hz;
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try
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{
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// load the true values
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long int n_true_epochs = true_obs_data.num_epochs();
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@ -635,6 +718,7 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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}
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// Align initial measurements and cut the tracking pull-in transitory
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double pull_in_offset_s = 1.0;
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arma::uvec initial_meas_point = arma::find(trk_timestamp_s >= (true_timestamp_s(0) + pull_in_offset_s), 1, "first");
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trk_timestamp_s = trk_timestamp_s.subvec(initial_meas_point(0), trk_timestamp_s.size() - 1);
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@ -642,24 +726,21 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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trk_Doppler_Hz = trk_Doppler_Hz.subvec(initial_meas_point(0), trk_Doppler_Hz.size() - 1);
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trk_prn_delay_chips = trk_prn_delay_chips.subvec(initial_meas_point(0), trk_prn_delay_chips.size() - 1);
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std::vector<double> doppler_error_hz;
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std::vector<double> code_phase_error_chips;
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std::vector<double> acc_carrier_phase_hz;
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double mean_error;
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double std_dev_error;
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doppler_error_hz = check_results_doppler(true_timestamp_s, true_Doppler_Hz, trk_timestamp_s, trk_Doppler_Hz, mean_error, std_dev_error);
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mean_doppler_error_sweep.push_back(mean_error);
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std_dev_doppler_error_sweep.push_back(std_dev_error);
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mean_doppler_error.push_back(mean_error);
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std_dev_doppler_error.push_back(std_dev_error);
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code_phase_error_chips = check_results_codephase(true_timestamp_s, true_prn_delay_chips, trk_timestamp_s, trk_prn_delay_chips, mean_error, std_dev_error);
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mean_code_phase_error_sweep.push_back(mean_error);
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std_dev_code_phase_error_sweep.push_back(std_dev_error);
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mean_code_phase_error.push_back(mean_error);
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std_dev_code_phase_error.push_back(std_dev_error);
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acc_carrier_phase_hz = check_results_acc_carrier_phase(true_timestamp_s, true_acc_carrier_phase_cycles, trk_timestamp_s, trk_acc_carrier_phase_cycles, mean_error, std_dev_error);
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mean_carrier_phase_error_sweep.push_back(mean_error);
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std_dev_carrier_phase_error_sweep.push_back(std_dev_error);
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mean_carrier_phase_error.push_back(mean_error);
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std_dev_carrier_phase_error.push_back(std_dev_error);
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//save tracking measurement timestamps to std::vector
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std::vector<double> vector_trk_timestamp_s(trk_timestamp_s.colptr(0), trk_timestamp_s.colptr(0) + trk_timestamp_s.n_rows);
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@ -669,9 +750,31 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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code_phase_error_sweep.push_back(code_phase_error_chips);
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acc_carrier_phase_error_sweep.push_back(acc_carrier_phase_hz);
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}
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catch (const std::exception& ex)
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{
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std::cout << "Tracking output could not be used, possible loss of lock " << ex.what() << std::endl;
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std::vector<double> vector_trk_timestamp_s;
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trk_valid_timestamp_s_sweep.push_back(vector_trk_timestamp_s);
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doppler_error_sweep.push_back(doppler_error_hz);
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code_phase_error_sweep.push_back(code_phase_error_chips);
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acc_carrier_phase_error_sweep.push_back(acc_carrier_phase_hz);
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}
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}
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} //CN0 LOOP
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if (!FLAGS_enable_external_signal_file)
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{
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mean_doppler_error_sweep.push_back(mean_doppler_error);
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std_dev_doppler_error_sweep.push_back(std_dev_doppler_error);
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mean_code_phase_error_sweep.push_back(mean_code_phase_error);
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std_dev_code_phase_error_sweep.push_back(std_dev_code_phase_error);
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mean_carrier_phase_error_sweep.push_back(mean_carrier_phase_error);
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std_dev_carrier_phase_error_sweep.push_back(std_dev_carrier_phase_error);
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}
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std::cout << "A\n\n\n";
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//********************************
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//***** STEP 7: Plot results *****
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//********************************
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@ -694,11 +797,13 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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Gnuplot::set_GNUPlotPath(gnuplot_path);
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unsigned int decimate = static_cast<unsigned int>(FLAGS_plot_decimate);
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if (FLAGS_plot_extra)
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{
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for (int current_cn0_idx = 0; current_cn0_idx < generator_CN0_values.size(); current_cn0_idx++)
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{
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Gnuplot g1("linespoints");
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g1.showonscreen(); // window output
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g1.set_title(std::to_string(generator_CN0_values.at(current_cn0_idx)) + " dB-Hz GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
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g1.set_title(std::to_string(generator_CN0_values.at(current_cn0_idx)) + " dB-Hz, " + "PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_idx)) + "," + std::to_string(DLL_wide_bw_values.at(config_idx)) + " Hz" + "GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
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g1.set_grid();
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g1.set_xlabel("Time [s]");
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g1.set_ylabel("Correlators' output");
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@ -710,8 +815,6 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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g1.savetops("Correlators_outputs" + std::to_string(generator_CN0_values.at(current_cn0_idx)));
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g1.savetopdf("Correlators_outputs" + std::to_string(generator_CN0_values.at(current_cn0_idx)), 18);
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}
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Gnuplot g2("points");
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g2.showonscreen(); // window output
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g2.set_multiplot(ceil(static_cast<float>(generator_CN0_values.size()) / 2.0),
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@ -719,7 +822,7 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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for (int current_cn0_idx = 0; current_cn0_idx < generator_CN0_values.size(); current_cn0_idx++)
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{
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g2.reset_plot();
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g2.set_title(std::to_string(generator_CN0_values.at(current_cn0_idx)) + " dB-Hz Constellation (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
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g2.set_title(std::to_string(generator_CN0_values.at(current_cn0_idx)) + " dB-Hz Constellation " + "PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_idx)) + "," + std::to_string(DLL_wide_bw_values.at(config_idx)) + " Hz" + "GPS L1 C/A (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
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g2.set_grid();
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g2.set_xlabel("Inphase");
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g2.set_ylabel("Quadrature");
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@ -745,7 +848,9 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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g3.savetops("CN0_output");
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g3.savetopdf("CN0_output", 18);
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g3.showonscreen(); // window output
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}
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std::cout << "B\n\n\n";
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//PLOT ERROR FIGURES (only if it is used the signal generator)
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if (!FLAGS_enable_external_signal_file)
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{
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@ -756,7 +861,7 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
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for (int current_cn0_idx = 0; current_cn0_idx < generator_CN0_values.size(); current_cn0_idx++)
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{
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g4.reset_plot();
|
||||
g4.set_title(std::to_string(static_cast<int>(round(generator_CN0_values.at(current_cn0_idx)))) + "[dB-Hz]" + " Doppler error (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g4.set_title(std::to_string(static_cast<int>(round(generator_CN0_values.at(current_cn0_idx)))) + "[dB-Hz] Doppler error " + "PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_idx)) + "," + std::to_string(DLL_wide_bw_values.at(config_idx)) + " Hz (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g4.set_grid();
|
||||
//g4.cmd("set key box opaque");
|
||||
g4.set_xlabel("Time [s]");
|
||||
@ -770,7 +875,7 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
|
||||
g4.savetopdf("Doppler_error_output", 18);
|
||||
|
||||
Gnuplot g5("points");
|
||||
g5.set_title("Code delay error (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g5.set_title("Code delay error, PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_idx)) + "," + std::to_string(DLL_wide_bw_values.at(config_idx)) + " Hz (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g5.set_grid();
|
||||
g5.set_xlabel("Time [s]");
|
||||
g5.set_ylabel("Code delay error [Chips]");
|
||||
@ -787,7 +892,7 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
|
||||
g5.showonscreen(); // window output
|
||||
|
||||
Gnuplot g6("points");
|
||||
g6.set_title("Accumulated carrier phase error (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g6.set_title("Accumulated carrier phase error, PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_idx)) + "," + std::to_string(DLL_wide_bw_values.at(config_idx)) + " Hz (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g6.set_grid();
|
||||
g6.set_xlabel("Time [s]");
|
||||
g6.set_ylabel("Accumulated carrier phase error [Cycles]");
|
||||
@ -802,40 +907,90 @@ TEST_F(GpsL1CADllPllTrackingTest, ValidationOfResults)
|
||||
g6.savetops("Carrier_phase_error_output");
|
||||
g6.savetopdf("Carrier_phase_error_output", 18);
|
||||
g6.showonscreen(); // window output
|
||||
|
||||
if (generator_CN0_values.size() > 1)
|
||||
{
|
||||
//plot metrics
|
||||
Gnuplot g7("linespoints");
|
||||
g7.set_title("Doppler error metrics (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g7.set_grid();
|
||||
g7.set_xlabel("CN0 [dB-Hz]");
|
||||
g7.set_ylabel("Doppler error [Hz]");
|
||||
g7.cmd("set key box opaque");
|
||||
g7.plot_xy_err(generator_CN0_values, mean_doppler_error_sweep, std_dev_doppler_error_sweep, "Doppler error");
|
||||
g7.savetops("Doppler_error_metrics");
|
||||
g7.savetopdf("Doppler_error_metrics", 18);
|
||||
|
||||
Gnuplot g8("linespoints");
|
||||
g8.set_title("Accumulated carrier phase error metrics (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g8.set_grid();
|
||||
g8.set_xlabel("CN0 [dB-Hz]");
|
||||
g8.set_ylabel("Accumulated Carrier Phase error [Hz]");
|
||||
g8.cmd("set key box opaque");
|
||||
g8.plot_xy_err(generator_CN0_values, mean_carrier_phase_error_sweep, std_dev_carrier_phase_error_sweep, "Carrier Phase error");
|
||||
g8.savetops("Carrier_error_metrics");
|
||||
g8.savetopdf("Carrier_error_metrics", 18);
|
||||
|
||||
Gnuplot g9("linespoints");
|
||||
g9.set_title("Code Phase error metrics (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g9.set_grid();
|
||||
g9.set_xlabel("CN0 [dB-Hz]");
|
||||
g9.set_ylabel("Code Phase error [Hz]");
|
||||
g9.cmd("set key box opaque");
|
||||
g9.plot_xy_err(generator_CN0_values, mean_code_phase_error_sweep, std_dev_code_phase_error_sweep, "Code Phase error");
|
||||
g9.savetops("Code_error_metrics");
|
||||
g9.savetopdf("Code_error_metrics", 18);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (const GnuplotException& ge)
|
||||
{
|
||||
std::cout << ge.what() << std::endl;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (FLAGS_plot_gps_l1_tracking_test == true)
|
||||
{
|
||||
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 << "gnuplot has not been found in your system." << std::endl;
|
||||
std::cout << "Test results will not be plotted." << std::endl;
|
||||
}
|
||||
else
|
||||
{
|
||||
try
|
||||
{
|
||||
if (generator_CN0_values.size() > 1)
|
||||
{
|
||||
//plot metrics
|
||||
|
||||
Gnuplot g7("linespoints");
|
||||
g7.set_title("Doppler error metrics (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g7.set_grid();
|
||||
g7.set_xlabel("CN0 [dB-Hz]");
|
||||
g7.set_ylabel("Doppler error [Hz]");
|
||||
g7.set_pointsize(2);
|
||||
g7.cmd("set termoption lw 2");
|
||||
g7.cmd("set key box opaque");
|
||||
for (int config_sweep_idx = 0; config_sweep_idx < mean_doppler_error_sweep.size(); config_sweep_idx++)
|
||||
{
|
||||
g7.plot_xy_err(generator_CN0_values,
|
||||
mean_doppler_error_sweep.at(config_sweep_idx),
|
||||
std_dev_doppler_error_sweep.at(config_sweep_idx),
|
||||
"PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_sweep_idx)) +
|
||||
+"," + std::to_string(DLL_wide_bw_values.at(config_sweep_idx)) + " Hz");
|
||||
}
|
||||
g7.savetops("Doppler_error_metrics");
|
||||
g7.savetopdf("Doppler_error_metrics", 18);
|
||||
|
||||
Gnuplot g8("linespoints");
|
||||
g8.set_title("Accumulated carrier phase error metrics (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g8.set_grid();
|
||||
g8.set_xlabel("CN0 [dB-Hz]");
|
||||
g8.set_ylabel("Accumulated Carrier Phase error [Cycles]");
|
||||
g8.cmd("set key box opaque");
|
||||
g8.cmd("set termoption lw 2");
|
||||
g8.set_pointsize(2);
|
||||
for (int config_sweep_idx = 0; config_sweep_idx < mean_doppler_error_sweep.size(); config_sweep_idx++)
|
||||
{
|
||||
g8.plot_xy_err(generator_CN0_values,
|
||||
mean_carrier_phase_error_sweep.at(config_sweep_idx),
|
||||
std_dev_carrier_phase_error_sweep.at(config_sweep_idx),
|
||||
"PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_sweep_idx)) +
|
||||
+"," + std::to_string(DLL_wide_bw_values.at(config_sweep_idx)) + " Hz");
|
||||
}
|
||||
g8.savetops("Carrier_error_metrics");
|
||||
g8.savetopdf("Carrier_error_metrics", 18);
|
||||
|
||||
Gnuplot g9("linespoints");
|
||||
g9.set_title("Code Phase error metrics (PRN #" + std::to_string(FLAGS_test_satellite_PRN) + ")");
|
||||
g9.set_grid();
|
||||
g9.set_xlabel("CN0 [dB-Hz]");
|
||||
g9.set_ylabel("Code Phase error [Chips]");
|
||||
g9.cmd("set key box opaque");
|
||||
g9.cmd("set termoption lw 2");
|
||||
g9.set_pointsize(2);
|
||||
for (int config_sweep_idx = 0; config_sweep_idx < mean_doppler_error_sweep.size(); config_sweep_idx++)
|
||||
{
|
||||
g9.plot_xy_err(generator_CN0_values,
|
||||
mean_code_phase_error_sweep.at(config_sweep_idx),
|
||||
std_dev_code_phase_error_sweep.at(config_sweep_idx),
|
||||
"PLL/DLL BW: " + std::to_string(PLL_wide_bw_values.at(config_sweep_idx)) +
|
||||
+"," + std::to_string(DLL_wide_bw_values.at(config_sweep_idx)) + " Hz");
|
||||
}
|
||||
g9.savetops("Code_error_metrics");
|
||||
g9.savetopdf("Code_error_metrics", 18);
|
||||
}
|
||||
}
|
||||
catch (const GnuplotException& ge)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user