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front-end-cal code cleaning, documentation and tunning tasks

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git-svn-id: https://svn.code.sf.net/p/gnss-sdr/code/trunk@400 64b25241-fba3-4117-9849-534c7e92360d
This commit is contained in:
Javier Arribas
2013-08-01 14:01:07 +00:00
parent 01dd425e58
commit b34a85c642
6 changed files with 128 additions and 80 deletions
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32
src/utils/front-end-cal/main.cc
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@@ -265,7 +265,6 @@ int main(int argc, char** argv)
std::cout<<"Failure connecting to SUPL server"<<std::endl;
}
// 3. Capture some front-end samples to hard disk
if (front_end_capture(configuration))
@@ -357,7 +356,6 @@ int main(int argc, char** argv)
for (std::vector<Gnss_Synchro>::iterator it = gnss_sync_vector.begin() ; it != gnss_sync_vector.end(); ++it)
{
doppler_measurement_hz+=(*it).Acq_doppler_hz;
//std::cout << "Doppler (SV=" << (*it).PRN<<")="<<(*it).Acq_doppler_hz<<"[Hz]"<<std::endl;
}
doppler_measurement_hz=doppler_measurement_hz/gnss_sync_vector.size();
doppler_measurements_map.insert(std::pair<int,double>(PRN,doppler_measurement_hz));
@@ -474,12 +472,30 @@ int main(int argc, char** argv)
mean_fs_Hz/=n_elements;
mean_osc_err_ppm/=n_elements;
std::cout <<std::setiosflags(std::ios::fixed)<<std::setprecision(2)<<"FE parameters estimation for Elonics E4000 Front-End:"<<std::endl;
std::cout <<std::setiosflags(std::ios::fixed)<<std::setprecision(2)<<"Parameters estimation for Elonics E4000 Front-End:"<<std::endl;
std::cout<<"Sampling frequency ="<<mean_fs_Hz<<" [Hz]"<<std::endl;
std::cout<<"IF bias present in baseband="<<mean_f_if_Hz<<" [Hz]"<<std::endl;
std::cout<<"Reference oscillator error ="<<mean_osc_err_ppm<<" [ppm]"<<std::endl;
std::cout <<std::setiosflags(std::ios::fixed)<<std::setprecision(2)<<
"Corrected Doppler vs. Predicted"<<std::endl;
std::cout << "SV ID Corrected [Hz] Predicted [Hz]" <<std::endl;
for (std::map<int,double>::iterator it = doppler_measurements_map.begin() ; it != doppler_measurements_map.end(); ++it)
{
try{
double doppler_estimated_hz;
doppler_estimated_hz=front_end_cal.estimate_doppler_from_eph(it->first,current_TOW,lat_deg,lon_deg,altitude_m);
std::cout << " "<<it->first<<" "<<it->second -mean_f_if_Hz<<" "<<doppler_estimated_hz<<std::endl;
}catch(int ex)
{
std::cout << " "<<it->first<<" "<<it->second-mean_f_if_Hz<<" (Eph not found)"<<std::endl;
}
}
// 8. Generate GNSS-SDR config file.
delete configuration;
@@ -488,14 +504,4 @@ int main(int argc, char** argv)
google::ShutDownCommandLineFlags();
std::cout << "GNSS-SDR Front-end calibration program ended." << std::endl;
// if (global_gps_acq_assist_map.size()>0)
// {
// std::map<int,Gps_Acq_Assist> Acq_Assist_map;
// Acq_Assist_map=global_gps_acq_assist_map.get_map_copy();
// current_TOW=Acq_Assist_map.begin()->second.d_TOW;
// std::cout<<"Current TOW obtained from acquisition assistance = "<<current_TOW<<std::endl;
// }else{
// std::cout<<"Unable to get acquisition assistance information. TOW is unknown!"<<std::endl;
// }
}