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Code Issues Releases Wiki Activity

Add work on acq performance

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This commit is contained in:
Carles Fernandez 2018-06-28 16:30:36 +02:00
parent 8b930d8ce9
commit 566611fd5e
1 changed files with 88 additions and 5 deletions
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93
src/tests/unit-tests/signal-processing-blocks/acquisition/gps_l1_acq_performance_test.cc
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@ -34,8 +34,8 @@
#include "tracking_true_obs_reader.h"
#include "true_observables_reader.h"
#include "display.h"
#include <boost/filesystem/operations.hpp> // for create_directories, exists
#include <boost/filesystem/path_traits.hpp> // for filesystem
#include "gnuplot_i.h"
#include <boost/filesystem.hpp>
#include <gnuradio/top_block.h>
#include <glog/logging.h>
#include <gtest/gtest.h>
@ -49,6 +49,7 @@ 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");
DEFINE_int32(acq_test_iterations, 2, "Number of iterations");
DEFINE_bool(plot_acq_test, false, "Plots results of AcquisitionPerformanceTest with gnuplot");
// ######## GNURADIO BLOCK MESSAGE RECEVER #########
class AcqPerfTest_msg_rx;
@ -133,8 +134,8 @@ protected:
{
}
std::vector<double> cn0_ = {35.0};
std::vector<float> pfa_local = {0.0001, 0.001, 0.01, 0.1, 1}; //{FLAGS_acq_test_pfa}; //{0.001, 0.01, 0.1, 1};
std::vector<double> cn0_ = {35.0, 38.0};
std::vector<float> pfa_local = {0.001, 0.01, 1}; //{0.0001, 0.001, 0.01, 0.1, 1}; //{FLAGS_acq_test_pfa}; //{0.001, 0.01, 0.1, 1};
int N_iterations = FLAGS_acq_test_iterations;
void init();
//void plot_grid();
@ -149,6 +150,7 @@ protected:
int run_receiver();
int count_executions(const std::string& basename, unsigned int sat);
void check_results();
void plot_results();
concurrent_queue<int> channel_internal_queue;
@ -438,7 +440,86 @@ int AcquisitionPerformanceTest::count_executions(const std::string& basename, un
}
TEST_F(AcquisitionPerformanceTest, PdvsCn0)
void AcquisitionPerformanceTest::plot_results()
{
if (FLAGS_plot_acq_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
{
boost::filesystem::path p(gnuplot_executable);
boost::filesystem::path dir = p.parent_path();
std::string gnuplot_path = dir.native();
Gnuplot::set_GNUPlotPath(gnuplot_path);
Gnuplot g1("linespoints");
g1.set_title("Receiver Operating Characteristic for GPS L1 C/A acquisition");
g1.cmd("set logscale x");
g1.cmd("set yrange [0:1]");
g1.cmd("set grid xtics 0.001 0.01 0.1 1");
g1.cmd("set grid ytics");
g1.set_grid();
g1.set_xlabel("Pfa");
g1.set_ylabel("Pd");
for (int i = 0; i < static_cast<int>(cn0_.size()); i++)
{
std::vector<float> Pd_i;
std::vector<float> Pfa_i;
for (int k = 0; k < num_thresholds; k++)
{
Pd_i.push_back(Pd[i][k]);
Pfa_i.push_back(Pd[i][k]);
}
g1.plot_xy(Pfa_i, Pd_i, "CN0 = " + std::to_string(static_cast<int>(cn0_[i])) + " dBHz");
}
g1.set_legend();
g1.savetops("ROC");
g1.savetopdf("ROC", 18);
g1.showonscreen(); // window output
if (Pd_correct[0].size() > 0)
{
Gnuplot g2("linespoints");
g2.set_title("Receiver Operating Characteristic for GPS L1 C/A correct acquisition");
g2.cmd("set logscale x");
g2.set_xlabel("Pfa");
g2.set_xlabel("Pd");
g2.set_grid();
for (int i = 0; i < static_cast<int>(cn0_.size()); i++)
{
std::vector<float> Pd_i_correct;
std::vector<float> Pfa_i;
for (int k = 0; k < num_thresholds; k++)
{
Pd_i_correct.push_back(Pd_correct[i][k]);
Pfa_i.push_back(Pd[i][k]);
}
g2.plot_xy(Pfa_i, Pd_i_correct, "CN0 = " + std::to_string(static_cast<int>(cn0_[i])) + " dBHz");
}
g2.set_legend();
g2.savetops("ROC-correct");
g2.savetopdf("ROC-correct", 18);
g2.showonscreen(); // window output
}
}
catch (const GnuplotException& ge)
{
std::cout << ge.what() << std::endl;
}
}
}
}
TEST_F(AcquisitionPerformanceTest, ROC)
{
tracking_true_obs_reader true_trk_data;
@ -726,4 +807,6 @@ TEST_F(AcquisitionPerformanceTest, PdvsCn0)
aux_index++;
}
plot_results();
}