mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-12-14 20:20:35 +00:00
Add work on acqusition performance test
This commit is contained in:
parent
4b74936715
commit
e7bc582e5f
@ -33,22 +33,27 @@
|
||||
#include "signal_generator_flags.h"
|
||||
#include "tracking_true_obs_reader.h"
|
||||
#include "true_observables_reader.h"
|
||||
#include "display.h"
|
||||
#include <gnuradio/top_block.h>
|
||||
#include <glog/logging.h>
|
||||
#include <gtest/gtest.h>
|
||||
|
||||
DEFINE_string(config_file_ptest, std::string(""), "File containing the configuration parameters for the position test.");
|
||||
DEFINE_double(acq_test_threshold, 0.001, "Acquisition threshold");
|
||||
DEFINE_double(acq_test_pfa, -1.0, "Set threshold via probability of false alarm");
|
||||
DEFINE_int32(acq_test_coherent_time_ms, 10, "Acquisition coherent time, in ms");
|
||||
DEFINE_int32(acq_test_PRN, 1, "PRN number");
|
||||
DEFINE_int32(acq_test_fake_PRN, 33, "Fake PRN number");
|
||||
DEFINE_int32(acq_test_signal_duration_s, 2, "Generated signal duration");
|
||||
DEFINE_bool(acq_test_bit_transition_flag, false, "Bit transition flag");
|
||||
|
||||
// ######## GNURADIO BLOCK MESSAGE RECEVER #########
|
||||
class AcqPerfTest_msg_rx;
|
||||
//
|
||||
|
||||
typedef boost::shared_ptr<AcqPerfTest_msg_rx> AcqPerfTest_msg_rx_sptr;
|
||||
//
|
||||
|
||||
AcqPerfTest_msg_rx_sptr AcqPerfTest_msg_rx_make(concurrent_queue<int>& queue);
|
||||
//
|
||||
|
||||
class AcqPerfTest_msg_rx : public gr::block
|
||||
{
|
||||
private:
|
||||
@ -59,7 +64,7 @@ private:
|
||||
|
||||
public:
|
||||
int rx_message;
|
||||
~AcqPerfTest_msg_rx(); //!< Default destructor
|
||||
~AcqPerfTest_msg_rx();
|
||||
};
|
||||
|
||||
|
||||
@ -82,7 +87,6 @@ void AcqPerfTest_msg_rx::msg_handler_events(pmt::pmt_t msg)
|
||||
LOG(WARNING) << "msg_handler_telemetry Bad any cast!";
|
||||
rx_message = 0;
|
||||
}
|
||||
//std::cout << "Received message:" << rx_message << std::endl;
|
||||
}
|
||||
|
||||
|
||||
@ -134,6 +138,7 @@ protected:
|
||||
void stop_queue();
|
||||
int run_receiver();
|
||||
int run_receiver2();
|
||||
int count_executions(const std::string& basename, unsigned int sat);
|
||||
void check_results();
|
||||
|
||||
concurrent_queue<int> channel_internal_queue;
|
||||
@ -160,15 +165,15 @@ protected:
|
||||
const int in_acquisition = 1;
|
||||
const float threshold = FLAGS_acq_test_threshold;
|
||||
const int max_dwells = 1;
|
||||
const int tong_init_val = 2;
|
||||
const int tong_max_val = 10;
|
||||
const int tong_max_dwells = 30;
|
||||
const int dump_channel = 0;
|
||||
|
||||
int generated_signal_duration_s = 2;
|
||||
int generated_signal_duration_s = FLAGS_acq_test_signal_duration_s;
|
||||
|
||||
unsigned int num_of_realizations = (generated_signal_duration_s * 1000) / FLAGS_acq_test_coherent_time_ms;
|
||||
unsigned int realization_counter;
|
||||
|
||||
unsigned int observed_satellite = FLAGS_acq_test_PRN;
|
||||
|
||||
private:
|
||||
std::string generator_binary;
|
||||
std::string p1;
|
||||
@ -196,7 +201,7 @@ void AcquisitionPerformanceTest::init()
|
||||
gnss_synchro.System = 'G';
|
||||
std::string signal = "1C";
|
||||
signal.copy(gnss_synchro.Signal, 2, 0);
|
||||
gnss_synchro.PRN = 1;
|
||||
gnss_synchro.PRN = observed_satellite;
|
||||
message = 0;
|
||||
realization_counter = 0;
|
||||
}
|
||||
@ -211,23 +216,13 @@ void AcquisitionPerformanceTest::start_queue()
|
||||
|
||||
void AcquisitionPerformanceTest::wait_message()
|
||||
{
|
||||
//std::chrono::time_point<std::chrono::system_clock> start, end;
|
||||
//std::chrono::duration<double> elapsed_seconds(0);
|
||||
|
||||
while (!stop)
|
||||
{
|
||||
acquisition->reset();
|
||||
acquisition->set_state(1);
|
||||
|
||||
//start = std::chrono::system_clock::now();
|
||||
|
||||
channel_internal_queue.wait_and_pop(message);
|
||||
|
||||
//end = std::chrono::system_clock::now();
|
||||
//elapsed_seconds = end - start;
|
||||
|
||||
//mean_acq_time_us += elapsed_seconds.count() * 1e6;
|
||||
|
||||
process_message();
|
||||
}
|
||||
}
|
||||
@ -235,38 +230,12 @@ void AcquisitionPerformanceTest::wait_message()
|
||||
|
||||
void AcquisitionPerformanceTest::process_message()
|
||||
{
|
||||
if (message == 1)
|
||||
{
|
||||
//detection_counter++;
|
||||
|
||||
// The term -5 is here to correct the additional delay introduced by the FIR filter
|
||||
//double delay_error_chips = std::abs(static_cast<double>(expected_delay_chips) - static_cast<double>(gnss_synchro.Acq_delay_samples - 5) * 1023.0 / (static_cast<double>(fs_in) * 1e-3));
|
||||
//double doppler_error_hz = std::abs(expected_doppler_hz - gnss_synchro.Acq_doppler_hz);
|
||||
|
||||
// mse_delay += std::pow(delay_error_chips, 2);
|
||||
// mse_doppler += std::pow(doppler_error_hz, 2);
|
||||
|
||||
// if ((delay_error_chips < max_delay_error_chips) && (doppler_error_hz < max_doppler_error_hz))
|
||||
// {
|
||||
// correct_estimation_counter++;
|
||||
// }
|
||||
}
|
||||
|
||||
realization_counter++;
|
||||
|
||||
std::cout << "Progress: " << round(static_cast<float>(realization_counter) / static_cast<float>(num_of_realizations) * 100.0) << "% \r" << std::flush;
|
||||
acquisition->reset();
|
||||
acquisition->set_state(1);
|
||||
|
||||
if (realization_counter == num_of_realizations)
|
||||
{
|
||||
// mse_delay /= num_of_realizations;
|
||||
// mse_doppler /= num_of_realizations;
|
||||
|
||||
//Pd = static_cast<double>(correct_estimation_counter) / static_cast<double>(num_of_realizations);
|
||||
//Pfa_a = static_cast<double>(detection_counter) / static_cast<double>(num_of_realizations);
|
||||
//Pfa_p = static_cast<double>(detection_counter - correct_estimation_counter) / static_cast<double>(num_of_realizations);
|
||||
|
||||
// mean_acq_time_us /= num_of_realizations;
|
||||
|
||||
stop_queue();
|
||||
top_block->stop();
|
||||
}
|
||||
@ -414,7 +383,7 @@ int AcquisitionPerformanceTest::configure_receiver(double cn0, unsigned int iter
|
||||
config->set_property("Channels_1C.count", std::to_string(number_of_channels));
|
||||
config->set_property("Channels.in_acquisition", std::to_string(in_acquisition));
|
||||
config->set_property("Channel.signal", "1C");
|
||||
//config->set_property("Channel0.satellite", std::to_string(FLAGS_acq_test_PRN));
|
||||
//config->set_property("Channel1.satellite", std::to_string(FLAGS_acq_test_PRN));
|
||||
|
||||
// Set Acquisition
|
||||
config->set_property("Acquisition_1C.implementation", implementation);
|
||||
@ -423,11 +392,19 @@ int AcquisitionPerformanceTest::configure_receiver(double cn0, unsigned int iter
|
||||
config->set_property("Acquisition_1C.doppler_step", std::to_string(doppler_step));
|
||||
|
||||
config->set_property("Acquisition_1C.threshold", std::to_string(threshold));
|
||||
//config->set_property("Acquisition_1C.pfa", "0.0");
|
||||
if (FLAGS_acq_test_pfa > 0.0) config->set_property("Acquisition_1C.pfa", std::to_string(FLAGS_acq_test_pfa));
|
||||
|
||||
config->set_property("Acquisition_1C.use_CFAR_algorithm", "true");
|
||||
|
||||
config->set_property("Acquisition_1C.coherent_integration_time_ms", std::to_string(coherent_integration_time_ms));
|
||||
config->set_property("Acquisition_1C.use_bit_transition_flag", "false");
|
||||
if (FLAGS_acq_test_bit_transition_flag)
|
||||
{
|
||||
config->set_property("Acquisition_1C.bit_transition_flag", "true");
|
||||
}
|
||||
else
|
||||
{
|
||||
config->set_property("Acquisition_1C.bit_transition_flag", "false");
|
||||
}
|
||||
|
||||
config->set_property("Acquisition_1C.max_dwells", std::to_string(1));
|
||||
|
||||
@ -437,16 +414,11 @@ int AcquisitionPerformanceTest::configure_receiver(double cn0, unsigned int iter
|
||||
config->set_property("Acquisition_1C.make_two_steps", "false");
|
||||
config->set_property("Acquisition_1C.second_nbins", std::to_string(4));
|
||||
config->set_property("Acquisition_1C.second_doppler_step", std::to_string(125));
|
||||
//if (FLAGS_plot_acq_grid == true)
|
||||
// {
|
||||
|
||||
config->set_property("Acquisition_1C.dump", "true");
|
||||
// }
|
||||
//else
|
||||
// {
|
||||
// config->set_property("Acquisition_1C.dump", "false");
|
||||
// }
|
||||
std::string dump_file = std::string("./acquisition_") + std::to_string(cn0) + "_" + std::to_string(iter);
|
||||
config->set_property("Acquisition_1C.dump_filename", dump_file);
|
||||
config->set_property("Acquisition_1C.dump_channel", std::to_string(dump_channel));
|
||||
|
||||
// Set Tracking
|
||||
config->set_property("Tracking_1C.implementation", "GPS_L1_CA_DLL_PLL_Tracking");
|
||||
@ -510,10 +482,8 @@ int AcquisitionPerformanceTest::run_receiver()
|
||||
std::string file = "./" + filename_raw_data;
|
||||
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);
|
||||
std::cout << "Source created" << std::endl;
|
||||
|
||||
gr::blocks::interleaved_char_to_complex::sptr gr_interleaved_char_to_complex = gr::blocks::interleaved_char_to_complex::make();
|
||||
std::cout << "Interleaver created" << std::endl;
|
||||
|
||||
top_block = gr::make_top_block("Acquisition test");
|
||||
boost::shared_ptr<AcqPerfTest_msg_rx> msg_rx = AcqPerfTest_msg_rx_make(channel_internal_queue);
|
||||
@ -521,10 +491,11 @@ int AcquisitionPerformanceTest::run_receiver()
|
||||
queue = gr::msg_queue::make(0);
|
||||
gnss_synchro = Gnss_Synchro();
|
||||
init();
|
||||
acquisition = std::make_shared<GpsL1CaPcpsAcquisition>(config.get(), "Acquisition_1C", 1, 0);
|
||||
|
||||
int nsamples = floor(config->property("GNSS-SDR.internal_fs_sps", 2000000) * generated_signal_duration_s);
|
||||
boost::shared_ptr<gr::block> valve = gnss_sdr_make_valve(sizeof(gr_complex), nsamples, queue);
|
||||
|
||||
acquisition = std::make_shared<GpsL1CaPcpsAcquisition>(config.get(), "Acquisition_1C", 1, 0);
|
||||
acquisition->set_gnss_synchro(&gnss_synchro);
|
||||
acquisition->set_channel(0);
|
||||
acquisition->set_local_code();
|
||||
@ -535,22 +506,19 @@ int AcquisitionPerformanceTest::run_receiver()
|
||||
acquisition->connect(top_block);
|
||||
top_block->msg_connect(acquisition->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
|
||||
|
||||
|
||||
acquisition->init();
|
||||
|
||||
top_block->connect(file_source, 0, gr_interleaved_char_to_complex, 0);
|
||||
top_block->connect(gr_interleaved_char_to_complex, 0, valve, 0);
|
||||
top_block->connect(valve, 0, acquisition->get_left_block(), 0);
|
||||
std::cout << "Num of realizations: " << num_of_realizations << std::endl;
|
||||
|
||||
start_queue();
|
||||
|
||||
start = std::chrono::system_clock::now();
|
||||
top_block->run(); // Start threads and wait
|
||||
end = std::chrono::system_clock::now();
|
||||
//file_source->close();
|
||||
elapsed_seconds = end - start;
|
||||
std::cout << "Acq_delay_samples: " << gnss_synchro.Acq_delay_samples << std::endl;
|
||||
std::cout << "Acq_doppler_hz: " << gnss_synchro.Acq_doppler_hz << std::endl;
|
||||
std::cout << "Acq_samplestamp_samples: " << gnss_synchro.Acq_samplestamp_samples << std::endl;
|
||||
|
||||
#ifdef OLD_BOOST
|
||||
ch_thread.timed_join(boost::posix_time::seconds(1));
|
||||
#endif
|
||||
@ -563,6 +531,7 @@ int AcquisitionPerformanceTest::run_receiver()
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int AcquisitionPerformanceTest::run_receiver2()
|
||||
{
|
||||
std::shared_ptr<ControlThread> control_thread;
|
||||
@ -592,14 +561,34 @@ int AcquisitionPerformanceTest::run_receiver2()
|
||||
}
|
||||
|
||||
|
||||
int AcquisitionPerformanceTest::count_executions(const std::string& basename, unsigned int sat)
|
||||
{
|
||||
FILE* fp;
|
||||
std::string argum2 = std::string("/bin/ls ") + basename + "* | grep sat_" + std::to_string(sat) + " | wc -l";
|
||||
char buffer[1024];
|
||||
fp = popen(&argum2[0], "r");
|
||||
int num_executions = 1;
|
||||
if (fp == NULL)
|
||||
{
|
||||
std::cout << "Failed to run command: " << argum2 << std::endl;
|
||||
return 0;
|
||||
}
|
||||
while (fgets(buffer, sizeof(buffer), fp) != NULL)
|
||||
{
|
||||
std::string aux = std::string(buffer);
|
||||
EXPECT_EQ(aux.empty(), false);
|
||||
num_executions = std::stoi(aux);
|
||||
}
|
||||
pclose(fp);
|
||||
return num_executions;
|
||||
}
|
||||
|
||||
|
||||
TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
{
|
||||
init();
|
||||
tracking_true_obs_reader true_trk_data;
|
||||
for (std::vector<double>::const_iterator it = cn0_.cbegin(); it != cn0_.cend(); ++it)
|
||||
{
|
||||
// Set parameter to sweep
|
||||
|
||||
// Do N_iterations of the experiment
|
||||
for (unsigned iter = 0; iter < N_iterations; iter++)
|
||||
{
|
||||
@ -611,40 +600,30 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
// Generate signal raw signal samples and observations RINEX file
|
||||
generate_signal();
|
||||
|
||||
std::cout << "Execution for CN0 = " << *it << " dB-Hz" << std::endl;
|
||||
for (unsigned k = 0; k < 2; k++)
|
||||
{
|
||||
if (k == 0)
|
||||
{
|
||||
observed_satellite = FLAGS_acq_test_PRN;
|
||||
}
|
||||
else
|
||||
{
|
||||
observed_satellite = FLAGS_acq_test_fake_PRN;
|
||||
}
|
||||
init();
|
||||
|
||||
// Configure the receiver
|
||||
configure_receiver(*it, iter);
|
||||
|
||||
// remove old files
|
||||
// FILE* fp2;
|
||||
// std::string remove_old_files = std::string("/bin/rm ") + basename + "*.mat";
|
||||
// fp2 = popen(&remove_old_files[0], "r");
|
||||
// pclose(fp2);
|
||||
|
||||
// Run it
|
||||
run_receiver();
|
||||
|
||||
// Read and store reference data and results
|
||||
std::cout << basename << std::endl;
|
||||
// count executions
|
||||
FILE* fp;
|
||||
std::string argum2 = std::string("/bin/ls ") + basename + "* | wc -l";
|
||||
char buffer[1024];
|
||||
fp = popen(&argum2[0], "r");
|
||||
int num_executions = 1;
|
||||
if (fp == NULL)
|
||||
{
|
||||
std::cout << "Failed to run command: " << argum2 << std::endl;
|
||||
//return -1;
|
||||
}
|
||||
while (fgets(buffer, sizeof(buffer), fp) != NULL)
|
||||
{
|
||||
std::string aux = std::string(buffer);
|
||||
EXPECT_EQ(aux.empty(), false);
|
||||
num_executions = std::stoi(aux);
|
||||
}
|
||||
pclose(fp);
|
||||
int ch = 0;
|
||||
int num_executions = count_executions(basename, observed_satellite);
|
||||
|
||||
// Read measured data
|
||||
int ch = config->property("Acquisition_1C.dump_channel", 0);
|
||||
arma::vec meas_timestamp_s = arma::zeros(num_executions, 1);
|
||||
arma::vec meas_doppler = arma::zeros(num_executions, 1);
|
||||
arma::vec positive_acq = arma::zeros(num_executions, 1);
|
||||
@ -652,12 +631,11 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
|
||||
double coh_time_ms = config->property("Acquisition_1C.coherent_integration_time_ms", 1);
|
||||
|
||||
std::cout << "Num executions: " << std::endl;
|
||||
std::cout << "Num executions: " << num_executions << std::endl;
|
||||
for (int execution = 1; execution <= num_executions; execution++)
|
||||
{
|
||||
acquisition_dump_reader acq_dump(basename, FLAGS_acq_test_PRN, config->property("Acquisition_1C.doppler_max", 0), config->property("Acquisition_1C.doppler_step", 0), config->property("GNSS-SDR.internal_fs_sps", 0) * GPS_L1_CA_CODE_PERIOD * static_cast<double>(coh_time_ms), ch, execution);
|
||||
if (!acq_dump.read_binary_acq())
|
||||
;
|
||||
acquisition_dump_reader acq_dump(basename, observed_satellite, config->property("Acquisition_1C.doppler_max", 0), config->property("Acquisition_1C.doppler_step", 0), config->property("GNSS-SDR.internal_fs_sps", 0) * GPS_L1_CA_CODE_PERIOD * static_cast<double>(coh_time_ms), ch, execution);
|
||||
acq_dump.read_binary_acq();
|
||||
if (acq_dump.positive_acq)
|
||||
{
|
||||
//std::cout << "Meas acq_delay_samples: " << acq_dump.acq_delay_samples << " chips: " << acq_dump.acq_delay_samples / (baseband_sampling_freq * GPS_L1_CA_CODE_PERIOD / GPS_L1_CA_CODE_LENGTH_CHIPS) << std::endl;
|
||||
@ -676,16 +654,15 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
}
|
||||
}
|
||||
|
||||
// Read reference data
|
||||
std::string true_trk_file = std::string("./gps_l1_ca_obs_prn");
|
||||
true_trk_file.append(std::to_string(FLAGS_acq_test_PRN));
|
||||
true_trk_file.append(std::to_string(observed_satellite));
|
||||
true_trk_file.append(".dat");
|
||||
true_trk_data.close_obs_file();
|
||||
true_trk_data.open_obs_file(true_trk_file);
|
||||
|
||||
|
||||
// load the true values
|
||||
long int n_true_epochs = true_trk_data.num_epochs();
|
||||
|
||||
arma::vec true_timestamp_s = arma::zeros(n_true_epochs, 1);
|
||||
arma::vec true_acc_carrier_phase_cycles = arma::zeros(n_true_epochs, 1);
|
||||
arma::vec true_Doppler_Hz = arma::zeros(n_true_epochs, 1);
|
||||
@ -693,6 +670,7 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
arma::vec true_tow_s = arma::zeros(n_true_epochs, 1);
|
||||
|
||||
long int epoch_counter = 0;
|
||||
int num_clean_executions = 0;
|
||||
while (true_trk_data.read_binary_obs())
|
||||
{
|
||||
true_timestamp_s(epoch_counter) = true_trk_data.signal_timestamp_s;
|
||||
@ -703,6 +681,10 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
epoch_counter++;
|
||||
//std::cout << "True PRN_Delay chips = " << GPS_L1_CA_CODE_LENGTH_CHIPS - true_trk_data.prn_delay_chips << " at " << true_trk_data.signal_timestamp_s << std::endl;
|
||||
}
|
||||
|
||||
// Process results
|
||||
arma::vec clean_doppler_estimation_error;
|
||||
arma::vec clean_delay_estimation_error;
|
||||
if (epoch_counter > 2)
|
||||
{
|
||||
arma::vec true_interpolated_doppler = arma::zeros(num_executions, 1);
|
||||
@ -711,13 +693,36 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
interp1(true_timestamp_s, true_prn_delay_chips, meas_timestamp_s, true_interpolated_prn_delay_chips);
|
||||
|
||||
arma::vec doppler_estimation_error = true_interpolated_doppler - meas_doppler;
|
||||
arma::vec delay_estimation_error = true_interpolated_prn_delay_chips - (meas_acq_delay_chips - ((1.0 / baseband_sampling_freq) / GPS_L1_CA_CHIP_PERIOD)); // compensate 1 sample delay
|
||||
|
||||
// Cut measurements without reference
|
||||
for (unsigned int i = 0; i < num_executions; i++)
|
||||
{
|
||||
if (!std::isnan(doppler_estimation_error(i)) and !std::isnan(delay_estimation_error(i)))
|
||||
{
|
||||
num_clean_executions++;
|
||||
}
|
||||
}
|
||||
clean_doppler_estimation_error = arma::zeros(num_clean_executions, 1);
|
||||
clean_delay_estimation_error = arma::zeros(num_clean_executions, 1);
|
||||
num_clean_executions = 0;
|
||||
for (unsigned int i = 0; i < num_executions; i++)
|
||||
{
|
||||
if (!std::isnan(doppler_estimation_error(i)) and !std::isnan(delay_estimation_error(i)))
|
||||
{
|
||||
clean_doppler_estimation_error(num_clean_executions) = doppler_estimation_error(i);
|
||||
clean_delay_estimation_error(num_clean_executions) = delay_estimation_error(i);
|
||||
num_clean_executions++;
|
||||
}
|
||||
}
|
||||
|
||||
std::cout << "Doppler estimation error [Hz]: ";
|
||||
for (int i = 0; i < num_executions - 1; i++)
|
||||
{
|
||||
std::cout << doppler_estimation_error(i) << " ";
|
||||
}
|
||||
std::cout << std::endl;
|
||||
arma::vec delay_estimation_error = true_interpolated_prn_delay_chips - meas_acq_delay_chips;
|
||||
|
||||
std::cout << "Delay estimation error [chips]: ";
|
||||
for (int i = 0; i < num_executions - 1; i++)
|
||||
{
|
||||
@ -726,117 +731,36 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
|
||||
std::cout << std::endl;
|
||||
|
||||
double detected = arma::accu(positive_acq);
|
||||
std::cout << "Probability of detection for channel=" << ch << ", CN0=" << *it << " dBHz"
|
||||
<< ": " << (num_executions > 0 ? (detected / num_executions) : 0.0) << std::endl;
|
||||
|
||||
std::cout << TEXT_BOLD_BLACK << "Probability of detection for channel=" << ch << ", CN0=" << *it << " dBHz"
|
||||
<< ": " << (num_executions > 0 ? (detected / num_executions) : 0.0) << TEXT_RESET << std::endl;
|
||||
}
|
||||
if (num_clean_executions > 0)
|
||||
{
|
||||
arma::vec correct_acq = arma::zeros(num_executions, 1);
|
||||
double correctly_detected = 0.0;
|
||||
for (int i = 0; i < num_executions - 1; i++)
|
||||
for (int i = 0; i < num_clean_executions - 1; i++)
|
||||
|
||||
{
|
||||
if (abs(delay_estimation_error(i)) < 0.5)
|
||||
if (abs(clean_delay_estimation_error(i)) < 0.5 and abs(clean_doppler_estimation_error(i)) < static_cast<float>(config->property("Acquisition_1C.doppler_step", 1)) / 2.0)
|
||||
{
|
||||
correctly_detected = correctly_detected + 1.0;
|
||||
}
|
||||
}
|
||||
std::cout << "Probability of correct detection for channel=" << ch << ", CN0=" << *it << " dBHz"
|
||||
<< ": " << (num_executions > 0 ? (correctly_detected / num_executions) : 0.0) << std::endl;
|
||||
std::cout << TEXT_BOLD_BLACK << "Probability of correct detection for channel=" << ch << ", CN0=" << *it << " dBHz"
|
||||
<< ": " << (num_clean_executions > 0 ? (correctly_detected / num_clean_executions) : 0.0) << TEXT_RESET << std::endl;
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "No reference data has been found. Maybe a non-present satellite?" << std::endl;
|
||||
|
||||
double wrongly_detected = arma::accu(positive_acq);
|
||||
std::cout << "Probability of false alarm for channel=" << ch << ", CN0=" << *it << " dBHz"
|
||||
<< ": " << (num_executions > 0 ? (wrongly_detected / num_executions) : 0.0) << std::endl;
|
||||
std::cout << TEXT_BOLD_BLACK << "Probability of false alarm for channel=" << ch << ", CN0=" << *it << " dBHz"
|
||||
<< ": " << (num_executions > 0 ? (wrongly_detected / num_executions) : 0.0) << TEXT_RESET << std::endl;
|
||||
}
|
||||
true_trk_data.restart();
|
||||
}
|
||||
|
||||
}
|
||||
true_trk_data.close_obs_file();
|
||||
// Compute results
|
||||
}
|
||||
}
|
||||
//TEST_F(AcquisitionPerformanceTest, ValidationOfResults)
|
||||
//{
|
||||
// std::chrono::time_point<std::chrono::system_clock> start, end;
|
||||
// std::chrono::duration<double> elapsed_seconds(0.0);
|
||||
// top_block = gr::make_top_block("Acquisition test");
|
||||
//
|
||||
// double expected_delay_samples = 524;
|
||||
// double expected_doppler_hz = 1680;
|
||||
//
|
||||
// init();
|
||||
//
|
||||
// if (FLAGS_plot_acq_grid == true)
|
||||
// {
|
||||
// std::string data_str = "./tmp-acq-gps1";
|
||||
// if (boost::filesystem::exists(data_str))
|
||||
// {
|
||||
// boost::filesystem::remove_all(data_str);
|
||||
// }
|
||||
// boost::filesystem::create_directory(data_str);
|
||||
// }
|
||||
//
|
||||
// std::shared_ptr<GpsL1CaPcpsAcquisition> acquisition = std::make_shared<GpsL1CaPcpsAcquisition>(config.get(), "Acquisition_1C", 1, 0);
|
||||
// boost::shared_ptr<AcqPerfTest_msg_rx> msg_rx = AcqPerfTest_msg_rx_make();
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// acquisition->set_channel(1);
|
||||
// }) << "Failure setting channel.";
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// acquisition->set_gnss_synchro(&gnss_synchro);
|
||||
// }) << "Failure setting gnss_synchro.";
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// acquisition->set_threshold(0.001);
|
||||
// }) << "Failure setting threshold.";
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// acquisition->set_doppler_max(doppler_max);
|
||||
// }) << "Failure setting doppler_max.";
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// acquisition->set_doppler_step(doppler_step);
|
||||
// }) << "Failure setting doppler_step.";
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// acquisition->connect(top_block);
|
||||
// }) << "Failure connecting acquisition to the top_block.";
|
||||
//
|
||||
// ASSERT_NO_THROW({
|
||||
// std::string path = std::string(TEST_PATH);
|
||||
// std::string file = path + "signal_samples/GPS_L1_CA_ID_1_Fs_4Msps_2ms.dat";
|
||||
// const char* file_name = file.c_str();
|
||||
// gr::blocks::file_source::sptr file_source = gr::blocks::file_source::make(sizeof(gr_complex), file_name, false);
|
||||
// top_block->connect(file_source, 0, acquisition->get_left_block(), 0);
|
||||
// top_block->msg_connect(acquisition->get_right_block(), pmt::mp("events"), msg_rx, pmt::mp("events"));
|
||||
// }) << "Failure connecting the blocks of acquisition test.";
|
||||
//
|
||||
// acquisition->set_local_code();
|
||||
// acquisition->set_state(1); // Ensure that acquisition starts at the first sample
|
||||
// acquisition->init();
|
||||
//
|
||||
// EXPECT_NO_THROW({
|
||||
// start = std::chrono::system_clock::now();
|
||||
// top_block->run(); // Start threads and wait
|
||||
// end = std::chrono::system_clock::now();
|
||||
// elapsed_seconds = end - start;
|
||||
// }) << "Failure running the top_block.";
|
||||
//
|
||||
// unsigned long int nsamples = gnss_synchro.Acq_samplestamp_samples;
|
||||
// std::cout << "Acquired " << nsamples << " samples in " << elapsed_seconds.count() * 1e6 << " microseconds" << std::endl;
|
||||
// ASSERT_EQ(1, msg_rx->rx_message) << "Acquisition failure. Expected message: 1=ACQ SUCCESS.";
|
||||
//
|
||||
// double delay_error_samples = std::abs(expected_delay_samples - gnss_synchro.Acq_delay_samples);
|
||||
// float delay_error_chips = static_cast<float>(delay_error_samples * 1023 / 4000);
|
||||
// double doppler_error_hz = std::abs(expected_doppler_hz - gnss_synchro.Acq_doppler_hz);
|
||||
//
|
||||
// EXPECT_LE(doppler_error_hz, 666) << "Doppler error exceeds the expected value: 666 Hz = 2/(3*integration period)";
|
||||
// EXPECT_LT(delay_error_chips, 0.5) << "Delay error exceeds the expected value: 0.5 chips";
|
||||
//
|
||||
// /*if (FLAGS_plot_acq_grid == true)
|
||||
// {
|
||||
// plot_grid();
|
||||
// }*/
|
||||
//}
|
||||
|
Loading…
Reference in New Issue
Block a user