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Solve issue glonass FDMA channel in tracking block

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This commit is contained in:
Gastd 2017-08-31 08:57:27 -03:00
parent 45c2351223
commit 0a8d5e4ffd
3 changed files with 8 additions and 5 deletions
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5
src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_cc.cc
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@ -196,7 +196,7 @@ void glonass_l1_ca_dll_pll_c_aid_tracking_cc::start_tracking()
acq_trk_diff_seconds = static_cast<double>(acq_trk_diff_samples) / static_cast<double>(d_fs_in);
// Doppler effect
// Fd=(C/(C+Vr))*F
d_glonass_freq_ch = GLONASS_L1_FREQ_HZ + (GLONASS_L1_FREQ_HZ * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
d_glonass_freq_ch = GLONASS_L1_FREQ_HZ + (DFRQ1_GLO * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
double radial_velocity = (d_glonass_freq_ch + d_acq_carrier_doppler_hz) / d_glonass_freq_ch;
// new chip and prn sequence periods based on acq Doppler
double T_chip_mod_seconds;
@ -224,7 +224,8 @@ void glonass_l1_ca_dll_pll_c_aid_tracking_cc::start_tracking()
d_acq_code_phase_samples = corrected_acq_phase_samples;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz + d_if_freq + (DFRQ1_GLO * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
// d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_phase_step_rad = GLONASS_TWO_PI * d_carrier_doppler_hz / static_cast<double>(d_fs_in);

3
src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_c_aid_tracking_sc.cc
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@ -225,7 +225,8 @@ void glonass_l1_ca_dll_pll_c_aid_tracking_sc::start_tracking()
d_acq_code_phase_samples = corrected_acq_phase_samples;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz + d_if_freq + (DFRQ1_GLO * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
// d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_phase_step_rad = GLONASS_TWO_PI * d_carrier_doppler_hz / static_cast<double>(d_fs_in);

5
src/algorithms/tracking/gnuradio_blocks/glonass_l1_ca_dll_pll_tracking_cc.cc
View File

@ -161,7 +161,7 @@ void Glonass_L1_Ca_Dll_Pll_Tracking_cc::start_tracking()
acq_trk_diff_seconds = static_cast<float>(acq_trk_diff_samples) / static_cast<float>(d_fs_in);
// Doppler effect
// Fd=(C/(C+Vr))*F
d_glonass_freq_ch = GLONASS_L1_FREQ_HZ + (GLONASS_L1_FREQ_HZ * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
d_glonass_freq_ch = GLONASS_L1_FREQ_HZ + (DFRQ1_GLO * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
double radial_velocity = (d_glonass_freq_ch + d_acq_carrier_doppler_hz) / d_glonass_freq_ch;
// new chip and prn sequence periods based on acq Doppler
double T_chip_mod_seconds;
@ -189,7 +189,8 @@ void Glonass_L1_Ca_Dll_Pll_Tracking_cc::start_tracking()
d_acq_code_phase_samples = corrected_acq_phase_samples;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_doppler_hz = d_acq_carrier_doppler_hz + d_if_freq + (DFRQ1_GLO * GLONASS_PRN.at(d_acquisition_gnss_synchro->PRN));
// d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_phase_step_rad = GLONASS_TWO_PI * d_carrier_doppler_hz / static_cast<double>(d_fs_in);
// DLL/PLL filter initialization