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Fix unified tracking binary dump artifacts in code delay estimation

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This commit is contained in:
Javier Arribas 2018-07-12 15:26:24 +02:00
parent 15e86c841c
commit 605ba079c8
1 changed files with 7 additions and 3 deletions
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10
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
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@ -399,7 +399,8 @@ void dll_pll_veml_tracking::start_tracking()
double T_prn_mod_seconds = T_chip_mod_seconds * static_cast<double>(d_code_length_chips); double T_prn_mod_seconds = T_chip_mod_seconds * static_cast<double>(d_code_length_chips);
double T_prn_mod_samples = T_prn_mod_seconds * trk_parameters.fs_in; double T_prn_mod_samples = T_prn_mod_seconds * trk_parameters.fs_in;
d_current_prn_length_samples = std::round(T_prn_mod_samples); //d_current_prn_length_samples = std::round(T_prn_mod_samples);
d_current_prn_length_samples = std::floor(T_prn_mod_samples);
double T_prn_true_seconds = static_cast<double>(d_code_length_chips) / d_code_chip_rate; double T_prn_true_seconds = static_cast<double>(d_code_length_chips) / d_code_chip_rate;
double T_prn_true_samples = T_prn_true_seconds * trk_parameters.fs_in; double T_prn_true_samples = T_prn_true_seconds * trk_parameters.fs_in;
@ -753,7 +754,8 @@ void dll_pll_veml_tracking::update_tracking_vars()
// Compute the next buffer length based in the new period of the PRN sequence and the code phase error estimation // Compute the next buffer length based in the new period of the PRN sequence and the code phase error estimation
T_prn_samples = T_prn_seconds * trk_parameters.fs_in; T_prn_samples = T_prn_seconds * trk_parameters.fs_in;
K_blk_samples = T_prn_samples + d_rem_code_phase_samples + code_error_filt_secs * trk_parameters.fs_in; K_blk_samples = T_prn_samples + d_rem_code_phase_samples + code_error_filt_secs * trk_parameters.fs_in;
d_current_prn_length_samples = static_cast<int>(round(K_blk_samples)); // round to a discrete number of samples //d_current_prn_length_samples = static_cast<int>(round(K_blk_samples)); // round to a discrete number of samples
d_current_prn_length_samples = static_cast<int>(std::floor(K_blk_samples)); // round to a discrete number of samples
//################### PLL COMMANDS ################################################# //################### PLL COMMANDS #################################################
// carrier phase step (NCO phase increment per sample) [rads/sample] // carrier phase step (NCO phase increment per sample) [rads/sample]
@ -834,6 +836,7 @@ void dll_pll_veml_tracking::log_data(bool integrating)
float tmp_VE, tmp_E, tmp_P, tmp_L, tmp_VL; float tmp_VE, tmp_E, tmp_P, tmp_L, tmp_VL;
float tmp_float; float tmp_float;
double tmp_double; double tmp_double;
unsigned long int tmp_long_int;
if (trk_parameters.track_pilot) if (trk_parameters.track_pilot)
{ {
if (interchange_iq) if (interchange_iq)
@ -900,7 +903,8 @@ void dll_pll_veml_tracking::log_data(bool integrating)
d_dump_file.write(reinterpret_cast<char *>(&prompt_I), sizeof(float)); d_dump_file.write(reinterpret_cast<char *>(&prompt_I), sizeof(float));
d_dump_file.write(reinterpret_cast<char *>(&prompt_Q), sizeof(float)); d_dump_file.write(reinterpret_cast<char *>(&prompt_Q), sizeof(float));
// PRN start sample stamp // PRN start sample stamp
d_dump_file.write(reinterpret_cast<char *>(&d_sample_counter), sizeof(unsigned long int)); tmp_long_int = d_sample_counter + d_current_prn_length_samples;
d_dump_file.write(reinterpret_cast<char *>(&tmp_long_int), sizeof(unsigned long int));
// accumulated carrier phase // accumulated carrier phase
tmp_float = d_acc_carrier_phase_rad; tmp_float = d_acc_carrier_phase_rad;
d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float)); d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float));