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Linear regressor implemented in observables

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This commit is contained in:
Javier Arribas
2015-11-24 13:37:01 +01:00
parent 411c8cedb0
commit 15c4882af9
5 changed files with 68 additions and 9 deletions
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15
src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l1_ca_telemetry_decoder_cc.cc
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@@ -135,6 +135,7 @@ gps_l1_ca_telemetry_decoder_cc::gps_l1_ca_telemetry_decoder_cc(
d_decimation_output_factor = 1;
d_channel = 0;
Prn_timestamp_at_preamble_ms = 0.0;
flag_PLL_180_deg_phase_locked=false;
//set_history(d_samples_per_bit*8); // At least a history of 8 bits are needed to correlate with the preamble
}
@@ -224,6 +225,13 @@ int gps_l1_ca_telemetry_decoder_cc::general_work (int noutput_items, gr_vector_i
if (!d_flag_frame_sync)
{
d_flag_frame_sync = true;
if (corr_value<0)
{
flag_PLL_180_deg_phase_locked=true; //PLL is locked to opposite phase!
std::cout<<"PLL in opposite phase for Sat "<<this->d_satellite.get_PRN()<<std::endl;
}else{
flag_PLL_180_deg_phase_locked=false;
}
LOG(INFO) <<" Frame sync SAT " << this->d_satellite << " with preamble start at " << d_preamble_time_seconds << " [s]";
}
}
@@ -331,8 +339,13 @@ int gps_l1_ca_telemetry_decoder_cc::general_work (int noutput_items, gr_vector_i
current_synchro_data.Flag_valid_word = (d_flag_frame_sync == true and d_flag_parity == true and flag_TOW_set == true);
current_synchro_data.Flag_preamble = d_flag_preamble;
current_synchro_data.Prn_timestamp_ms = in[0][0].Tracking_timestamp_secs * 1000.0;
current_synchro_data.Prn_timestamp_at_preamble_ms = Prn_timestamp_at_preamble_ms;
if (flag_PLL_180_deg_phase_locked==true)
{
//correct the accumulated phase for the costas loop phase shift, if required
current_synchro_data.Carrier_phase_rads+=GPS_PI;
}
if(d_dump == true)
{
// MULTIPLEXED FILE RECORDING - Record results to file

1
src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l1_ca_telemetry_decoder_cc.h
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@@ -150,6 +150,7 @@ private:
double Prn_timestamp_at_preamble_ms;
bool flag_TOW_set;
bool flag_PLL_180_deg_phase_locked;
std::string d_dump_filename;
std::ofstream d_dump_file;