mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-12-16 05:00:35 +00:00
Add Gal. E5a Pcps acquisition adapter
This commit is contained in:
parent
413ab8c8cf
commit
452dd24c90
@ -31,6 +31,7 @@ set(ACQ_ADAPTER_SOURCES
|
||||
galileo_e1_pcps_tong_ambiguous_acquisition.cc
|
||||
galileo_e1_pcps_8ms_ambiguous_acquisition.cc
|
||||
galileo_e5a_noncoherent_iq_acquisition_caf.cc
|
||||
galileo_e5a_pcps_acquisition.cc
|
||||
glonass_l1_ca_pcps_acquisition.cc
|
||||
)
|
||||
|
||||
|
@ -0,0 +1,331 @@
|
||||
/*!
|
||||
* \file galileo_e5a_pcps_acquisition.cc
|
||||
* \brief Adapts a PCPS acquisition block to an AcquisitionInterface for
|
||||
* Galileo E5a data and pilot Signals
|
||||
* \author Antonio Ramos, 2018. antonio.ramos(at)cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GNSS-SDR is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#include "galileo_e5a_pcps_acquisition.h"
|
||||
#include <boost/lexical_cast.hpp>
|
||||
#include <boost/math/distributions/exponential.hpp>
|
||||
#include <glog/logging.h>
|
||||
#include <volk_gnsssdr/volk_gnsssdr_complex.h>
|
||||
#include "galileo_e5_signal_processing.h"
|
||||
#include "Galileo_E5a.h"
|
||||
#include "configuration_interface.h"
|
||||
|
||||
using google::LogMessage;
|
||||
|
||||
GalileoE5aPcpsAcquisition::GalileoE5aPcpsAcquisition(ConfigurationInterface* configuration,
|
||||
std::string role, unsigned int in_streams, unsigned int out_streams) :
|
||||
role_(role), in_streams_(in_streams), out_streams_(out_streams)
|
||||
{
|
||||
configuration_ = configuration;
|
||||
std::string default_item_type = "gr_complex";
|
||||
std::string default_dump_filename = "../data/acquisition.dat";
|
||||
|
||||
DLOG(INFO) << "Role " << role;
|
||||
|
||||
item_type_ = configuration_->property(role + ".item_type", default_item_type);
|
||||
|
||||
long fs_in_deprecated = configuration_->property("GNSS-SDR.internal_fs_hz", 32000000);
|
||||
fs_in_ = configuration_->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
|
||||
acq_pilot_ = configuration_->property(role + ".acquire_pilot", false);
|
||||
dump_ = configuration_->property(role + ".dump", false);
|
||||
doppler_max_ = configuration_->property(role + ".doppler_max", 5000);
|
||||
sampled_ms_ = configuration_->property(role + ".coherent_integration_time_ms", 1);
|
||||
if (sampled_ms_ > 3)
|
||||
{
|
||||
sampled_ms_ = 3;
|
||||
DLOG(INFO) << "Coherent integration time should be 3 ms or less. Changing to 3ms ";
|
||||
std::cout << "Too high coherent integration time. Changing to 3ms" << std::endl;
|
||||
}
|
||||
/*
|
||||
if (Zero_padding > 0)
|
||||
{
|
||||
sampled_ms_ = 2;
|
||||
DLOG(INFO) << "Zero padding activated. Changing to 1ms code + 1ms zero padding ";
|
||||
std::cout << "Zero padding activated. Changing to 1ms code + 1ms zero padding" << std::endl;
|
||||
}
|
||||
*/
|
||||
max_dwells_ = configuration_->property(role + ".max_dwells", 1);
|
||||
dump_filename_ = configuration_->property(role + ".dump_filename", default_dump_filename);
|
||||
bit_transition_flag_ = configuration_->property(role + ".bit_transition_flag", false);
|
||||
use_CFAR_ = configuration_->property(role + ".use_CFAR_algorithm", false);
|
||||
blocking_ = configuration_->property(role + ".blocking", true);
|
||||
|
||||
//--- Find number of samples per spreading code (1ms)-------------------------
|
||||
code_length_ = round(static_cast<double>(fs_in_) / Galileo_E5a_CODE_CHIP_RATE_HZ * static_cast<double>(Galileo_E5a_CODE_LENGTH_CHIPS));
|
||||
vector_length_ = code_length_ * sampled_ms_;
|
||||
|
||||
/*
|
||||
codeI_= new gr_complex[vector_length_];
|
||||
codeQ_= new gr_complex[vector_length_];
|
||||
*/
|
||||
code_ = new gr_complex[vector_length_];
|
||||
|
||||
if(item_type_.compare("gr_complex") == 0)
|
||||
{
|
||||
item_size_ = sizeof(gr_complex);
|
||||
}
|
||||
else if(item_type_.compare("cshort") == 0)
|
||||
{
|
||||
item_size_ = sizeof(lv_16sc_t);
|
||||
}
|
||||
else
|
||||
{
|
||||
item_size_ = sizeof(gr_complex);
|
||||
LOG(WARNING) << item_type_ << " unknown acquisition item type";
|
||||
}
|
||||
// CHANGE PARAMETERS OF MAKE ACQ.!!!!!!!
|
||||
acquisition_ = pcps_make_acquisition(sampled_ms_, max_dwells_, doppler_max_, 0, fs_in_,
|
||||
code_length_, code_length_, bit_transition_flag_, use_CFAR_, dump_, blocking_,
|
||||
dump_filename_,item_size_);
|
||||
|
||||
stream_to_vector_ = gr::blocks::stream_to_vector::make(item_size_, vector_length_);
|
||||
channel_ = 0;
|
||||
threshold_ = 0.0;
|
||||
doppler_step_ = 0;
|
||||
gnss_synchro_ = 0;
|
||||
}
|
||||
|
||||
|
||||
GalileoE5aPcpsAcquisition::~GalileoE5aPcpsAcquisition()
|
||||
{
|
||||
delete[] code_;
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_channel(unsigned int channel)
|
||||
{
|
||||
channel_ = channel;
|
||||
acquisition_->set_channel(channel_);
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_threshold(float threshold)
|
||||
{
|
||||
|
||||
float pfa = configuration_->property(role_+ boost::lexical_cast<std::string>(channel_) + ".pfa", 0.0);
|
||||
|
||||
if(pfa == 0.0) { pfa = configuration_->property(role_ + ".pfa", 0.0); }
|
||||
|
||||
if(pfa == 0.0) { threshold_ = threshold; }
|
||||
|
||||
else { threshold_ = calculate_threshold(pfa); }
|
||||
|
||||
DLOG(INFO) << "Channel " << channel_ << " Threshold = " << threshold_;
|
||||
|
||||
acquisition_->set_threshold(threshold_);
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_doppler_max(unsigned int doppler_max)
|
||||
{
|
||||
doppler_max_ = doppler_max;
|
||||
acquisition_->set_doppler_max(doppler_max_);
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_doppler_step(unsigned int doppler_step)
|
||||
{
|
||||
doppler_step_ = doppler_step;
|
||||
acquisition_->set_doppler_step(doppler_step_);
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_gnss_synchro(Gnss_Synchro* gnss_synchro)
|
||||
{
|
||||
gnss_synchro_ = gnss_synchro;
|
||||
acquisition_->set_gnss_synchro(gnss_synchro_);
|
||||
}
|
||||
|
||||
|
||||
signed int GalileoE5aPcpsAcquisition::mag()
|
||||
{
|
||||
return acquisition_->mag();
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::init()
|
||||
{
|
||||
acquisition_->init();
|
||||
//set_local_code();
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_local_code()
|
||||
{
|
||||
gr_complex* code = new gr_complex[code_length_];
|
||||
char a[3];
|
||||
|
||||
if(acq_pilot_) { strcpy(a,"5Q"); }
|
||||
else { strcpy(a,"5I"); }
|
||||
galileo_e5_a_code_gen_complex_sampled(code, a, gnss_synchro_->PRN, fs_in_, 0);
|
||||
|
||||
for(unsigned int i = 0; i < sampled_ms_; i++)
|
||||
{
|
||||
memcpy(code_ + i * code_length_, code, sizeof(gr_complex) * code_length_);
|
||||
}
|
||||
acquisition_->set_local_code(code_);
|
||||
delete[] code;
|
||||
|
||||
|
||||
|
||||
/*
|
||||
if (item_type_.compare("gr_complex") == 0)
|
||||
{
|
||||
std::complex<float>* codeI = new std::complex<float>[code_length_];
|
||||
std::complex<float>* codeQ = new std::complex<float>[code_length_];
|
||||
|
||||
if (gnss_synchro_->Signal[0] == '5' && gnss_synchro_->Signal[1] == 'X')
|
||||
{
|
||||
char a[3];
|
||||
strcpy(a,"5I");
|
||||
galileo_e5_a_code_gen_complex_sampled(codeI, a,
|
||||
gnss_synchro_->PRN, fs_in_, 0);
|
||||
|
||||
strcpy(a,"5Q");
|
||||
galileo_e5_a_code_gen_complex_sampled(codeQ, a,
|
||||
gnss_synchro_->PRN, fs_in_, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
galileo_e5_a_code_gen_complex_sampled(codeI, gnss_synchro_->Signal,
|
||||
gnss_synchro_->PRN, fs_in_, 0);
|
||||
}
|
||||
// WARNING: 3ms are coherently integrated. Secondary sequence (1,1,1)
|
||||
// is generated, and modulated in the 'block'.
|
||||
if (Zero_padding == 0) // if no zero_padding
|
||||
{
|
||||
for (unsigned int i = 0; i < sampled_ms_; i++)
|
||||
{
|
||||
memcpy(&(codeI_[i*code_length_]), codeI,
|
||||
sizeof(gr_complex)*code_length_);
|
||||
if (gnss_synchro_->Signal[0] == '5' && gnss_synchro_->Signal[1] == 'X')
|
||||
{
|
||||
memcpy(&(codeQ_[i*code_length_]), codeQ,
|
||||
sizeof(gr_complex)*code_length_);
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// 1ms code + 1ms zero padding
|
||||
memcpy(&(codeI_[0]), codeI,
|
||||
sizeof(gr_complex)*code_length_);
|
||||
if (gnss_synchro_->Signal[0] == '5' && gnss_synchro_->Signal[1] == 'X')
|
||||
{
|
||||
memcpy(&(codeQ_[0]), codeQ,
|
||||
sizeof(gr_complex)*code_length_);
|
||||
}
|
||||
}
|
||||
|
||||
acquisition_->set_local_code(codeI_,codeQ_);
|
||||
delete[] codeI;
|
||||
delete[] codeQ;
|
||||
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::reset()
|
||||
{
|
||||
acquisition_->set_active(true);
|
||||
}
|
||||
|
||||
|
||||
float GalileoE5aPcpsAcquisition::calculate_threshold(float pfa)
|
||||
{
|
||||
//Calculate the threshold
|
||||
unsigned int frequency_bins = 0;
|
||||
for (int doppler = static_cast<int>(-doppler_max_); doppler <= static_cast<int>(doppler_max_); doppler += doppler_step_)
|
||||
{
|
||||
frequency_bins++;
|
||||
}
|
||||
DLOG(INFO) << "Channel " << channel_ << " Pfa = " << pfa;
|
||||
unsigned int ncells = vector_length_ * frequency_bins;
|
||||
double exponent = 1 / static_cast<double>(ncells);
|
||||
double val = pow(1.0 - pfa, exponent);
|
||||
double lambda = double(vector_length_);
|
||||
boost::math::exponential_distribution<double> mydist (lambda);
|
||||
float threshold = static_cast<float>(quantile(mydist,val));
|
||||
|
||||
return threshold;
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::set_state(int state)
|
||||
{
|
||||
acquisition_->set_state(state);
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::connect(gr::top_block_sptr top_block)
|
||||
{
|
||||
if (item_type_.compare("gr_complex") == 0)
|
||||
{
|
||||
top_block->connect(stream_to_vector_, 0, acquisition_, 0);
|
||||
}
|
||||
else if (item_type_.compare("cshort") == 0)
|
||||
{
|
||||
top_block->connect(stream_to_vector_, 0, acquisition_, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG(WARNING) << item_type_ << " unknown acquisition item type";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void GalileoE5aPcpsAcquisition::disconnect(gr::top_block_sptr top_block)
|
||||
{
|
||||
if (item_type_.compare("gr_complex") == 0)
|
||||
{
|
||||
top_block->disconnect(stream_to_vector_, 0, acquisition_, 0);
|
||||
}
|
||||
else if (item_type_.compare("cshort") == 0)
|
||||
{
|
||||
top_block->disconnect(stream_to_vector_, 0, acquisition_, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
LOG(WARNING) << item_type_ << " unknown acquisition item type";
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
gr::basic_block_sptr GalileoE5aPcpsAcquisition::get_left_block()
|
||||
{
|
||||
return stream_to_vector_;
|
||||
}
|
||||
|
||||
|
||||
gr::basic_block_sptr GalileoE5aPcpsAcquisition::get_right_block()
|
||||
{
|
||||
return acquisition_;
|
||||
}
|
@ -0,0 +1,170 @@
|
||||
/*!
|
||||
* \file galileo_e5a_pcps_acquisition.h
|
||||
* \brief Adapts a PCPS acquisition block to an AcquisitionInterface for
|
||||
* Galileo E5a data and pilot Signals
|
||||
* \author Antonio Ramos, 2018. antonio.ramos(at)cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GNSS-SDR is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef GALILEO_E5A_PCPS_ACQUISITION_H_
|
||||
#define GALILEO_E5A_PCPS_ACQUISITION_H_
|
||||
|
||||
#include <string>
|
||||
#include <gnuradio/blocks/stream_to_vector.h>
|
||||
#include "gnss_synchro.h"
|
||||
#include "acquisition_interface.h"
|
||||
#include "pcps_acquisition.h"
|
||||
|
||||
class ConfigurationInterface;
|
||||
|
||||
class GalileoE5aPcpsAcquisition: public AcquisitionInterface
|
||||
{
|
||||
public:
|
||||
GalileoE5aPcpsAcquisition(ConfigurationInterface* configuration,
|
||||
std::string role, unsigned int in_streams,
|
||||
unsigned int out_streams);
|
||||
|
||||
virtual ~GalileoE5aPcpsAcquisition();
|
||||
|
||||
inline std::string role() override
|
||||
{
|
||||
return role_;
|
||||
}
|
||||
|
||||
inline std::string implementation() override
|
||||
{
|
||||
return "Galileo_E5a_Pcps_Acquisition";
|
||||
}
|
||||
|
||||
inline size_t item_size() override
|
||||
{
|
||||
return item_size_;
|
||||
}
|
||||
|
||||
void connect(gr::top_block_sptr top_block) override;
|
||||
void disconnect(gr::top_block_sptr top_block) override;
|
||||
gr::basic_block_sptr get_left_block() override;
|
||||
gr::basic_block_sptr get_right_block() override;
|
||||
|
||||
/*!
|
||||
* \brief Set acquisition/tracking common Gnss_Synchro object pointer
|
||||
* to efficiently exchange synchronization data between acquisition and
|
||||
* tracking blocks
|
||||
*/
|
||||
void set_gnss_synchro(Gnss_Synchro* p_gnss_synchro) override;
|
||||
|
||||
/*!
|
||||
* \brief Set acquisition channel unique ID
|
||||
*/
|
||||
void set_channel(unsigned int channel) override;
|
||||
|
||||
/*!
|
||||
* \brief Set statistics threshold of PCPS algorithm
|
||||
*/
|
||||
void set_threshold(float threshold) override;
|
||||
|
||||
/*!
|
||||
* \brief Set maximum Doppler off grid search
|
||||
*/
|
||||
void set_doppler_max(unsigned int doppler_max) override;
|
||||
|
||||
/*!
|
||||
* \brief Set Doppler steps for the grid search
|
||||
*/
|
||||
void set_doppler_step(unsigned int doppler_step) override;
|
||||
|
||||
/*!
|
||||
* \brief Initializes acquisition algorithm.
|
||||
*/
|
||||
void init() override;
|
||||
|
||||
/*!
|
||||
* \brief Sets local Galileo E5a code for PCPS acquisition algorithm.
|
||||
*/
|
||||
void set_local_code() override;
|
||||
|
||||
/*!
|
||||
* \brief Returns the maximum peak of grid search
|
||||
*/
|
||||
signed int mag() override;
|
||||
|
||||
/*!
|
||||
* \brief Restart acquisition algorithm
|
||||
*/
|
||||
void reset() override;
|
||||
|
||||
/*!
|
||||
* \brief If set to 1, ensures that acquisition starts at the
|
||||
* first available sample.
|
||||
* \param state - int=1 forces start of acquisition
|
||||
*/
|
||||
void set_state(int state);
|
||||
|
||||
private:
|
||||
|
||||
float calculate_threshold(float pfa);
|
||||
|
||||
ConfigurationInterface* configuration_;
|
||||
|
||||
pcps_acquisition_sptr acquisition_;
|
||||
gr::blocks::stream_to_vector::sptr stream_to_vector_;
|
||||
|
||||
size_t item_size_;
|
||||
|
||||
std::string item_type_;
|
||||
std::string dump_filename_;
|
||||
std::string role_;
|
||||
|
||||
bool bit_transition_flag_;
|
||||
bool dump_;
|
||||
bool acq_pilot_;
|
||||
bool use_CFAR_;
|
||||
bool blocking_;
|
||||
|
||||
unsigned int vector_length_;
|
||||
unsigned int code_length_;
|
||||
unsigned int channel_;
|
||||
unsigned int doppler_max_;
|
||||
unsigned int doppler_step_;
|
||||
unsigned int sampled_ms_;
|
||||
unsigned int max_dwells_;
|
||||
unsigned int in_streams_;
|
||||
unsigned int out_streams_;
|
||||
|
||||
long fs_in_;
|
||||
|
||||
float threshold_;
|
||||
|
||||
/*
|
||||
std::complex<float>* codeI_;
|
||||
std::complex<float>* codeQ_;
|
||||
*/
|
||||
|
||||
gr_complex* code_;
|
||||
|
||||
Gnss_Synchro* gnss_synchro_;
|
||||
|
||||
};
|
||||
#endif /* GALILEO_E5A_PCPS_ACQUISITION_H_ */
|
@ -82,6 +82,7 @@
|
||||
#include "galileo_e1_pcps_cccwsr_ambiguous_acquisition.h"
|
||||
#include "galileo_e1_pcps_quicksync_ambiguous_acquisition.h"
|
||||
#include "galileo_e5a_noncoherent_iq_acquisition_caf.h"
|
||||
#include "galileo_e5a_pcps_acquisition.h"
|
||||
#include "glonass_l1_ca_pcps_acquisition.h"
|
||||
#include "gps_l1_ca_dll_pll_tracking.h"
|
||||
#include "gps_l1_ca_dll_pll_c_aid_tracking.h"
|
||||
@ -1270,6 +1271,12 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetBlock(
|
||||
out_streams));
|
||||
block = std::move(block_);
|
||||
}
|
||||
else if (implementation.compare("Galileo_E5a_Pcps_Acquisition") == 0)
|
||||
{
|
||||
std::unique_ptr<GNSSBlockInterface> block_(new GalileoE5aPcpsAcquisition(configuration.get(), role, in_streams,
|
||||
out_streams));
|
||||
block = std::move(block_);
|
||||
}
|
||||
else if (implementation.compare("Galileo_E1_PCPS_QuickSync_Ambiguous_Acquisition") == 0)
|
||||
{
|
||||
std::unique_ptr<GNSSBlockInterface> block_( new GalileoE1PcpsQuickSyncAmbiguousAcquisition(configuration.get(), role, in_streams,
|
||||
@ -1543,6 +1550,12 @@ std::unique_ptr<AcquisitionInterface> GNSSBlockFactory::GetAcqBlock(
|
||||
out_streams));
|
||||
block = std::move(block_);
|
||||
}
|
||||
else if (implementation.compare("Galileo_E5a_Pcps_Acquisition") == 0)
|
||||
{
|
||||
std::unique_ptr<AcquisitionInterface> block_(new GalileoE5aPcpsAcquisition(configuration.get(), role, in_streams,
|
||||
out_streams));
|
||||
block = std::move(block_);
|
||||
}
|
||||
else if (implementation.compare("GLONASS_L1_CA_PCPS_Acquisition") == 0)
|
||||
{
|
||||
std::unique_ptr<AcquisitionInterface> block_(new GlonassL1CaPcpsAcquisition(configuration.get(), role, in_streams,
|
||||
|
@ -47,7 +47,7 @@ const int Galileo_E5a_CODE_LENGTH_CHIPS = 10230; //!< Galileo E5a prima
|
||||
const int Galileo_E5a_I_SECONDARY_CODE_LENGTH = 20; //!< Galileo E5a-I secondary code length [chips]
|
||||
const int Galileo_E5a_Q_SECONDARY_CODE_LENGTH = 100; //!< Galileo E5a-Q secondary code length [chips]
|
||||
const double GALILEO_E5a_CODE_PERIOD = 0.001; //!< Galileo E1 primary code period [s]
|
||||
const int GALILEO_E5a_CODE_PERIOD_MS = 1; //!< Galileo E1 primary code period [ms]
|
||||
const int GALILEO_E5a_CODE_PERIOD_MS = 1; //!< Galileo E1 primary code period [ms]
|
||||
const int Galileo_E5a_SYMBOL_RATE_BPS = 50; //!< Galileo E5a symbol rate [bits/second]
|
||||
const int Galileo_E5a_NUMBER_OF_CODES = 50;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user