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Added GPS L2M Tracking and its unit test. Still experimental!

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This commit is contained in:
Javier
2015-04-30 17:48:21 +02:00
parent 6618c220d0
commit 60b7fe8e08
10 changed files with 160 additions and 65 deletions
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19
src/algorithms/libs/gps_l2c_signal.cc
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@@ -52,6 +52,24 @@ void gps_l2c_m_code(int32_t * _dest, unsigned int _prn)
}
}
void gps_l2c_m_code_gen_complex(std::complex<float>* _dest, unsigned int _prn)
{
int32_t _code[GPS_L2_M_CODE_LENGTH_CHIPS];
if (_prn>0 and _prn<51)
{
gps_l2c_m_code(_code, _prn);
}
for (signed int i=0; i<GPS_L2_M_CODE_LENGTH_CHIPS; i++)
{
_dest[i] = std::complex<float>(1.0-2.0*_code[i],0);
}
}
/*
* Generates complex GPS L2C M code for the desired SV ID and sampled to specific sampling frequency
*/
@@ -76,7 +94,6 @@ void gps_l2c_m_code_gen_complex_sampled(std::complex<float>* _dest, unsigned int
//--- Find time constants --------------------------------------------------
_ts = 1/(float)_fs; // Sampling period in sec
_tc = 1/(float)_codeFreqBasis; // C/A chip period in sec
//gps_l1_ca_code_gen_complex(_code,_prn); //generate C/A code 1 sample per chip
for (signed int i=0; i<_samplesPerCode; i++)
{

7
src/algorithms/libs/gps_l2c_signal.h
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@@ -37,7 +37,12 @@
#include <iostream>
#include "GPS_L2C.h"
//! Generates complex GPS L2C M code for the desired SV ID and code shift
//!Generates complex GPS L2C M code for the desired SV ID
void gps_l2c_m_code_gen_complex(std::complex<float>* _dest, unsigned int _prn);
//! Generates complex GPS L2C M code for the desired SV ID, and sampled to specific sampling frequency
void gps_l2c_m_code_gen_complex_sampled(std::complex<float>* _dest, unsigned int _prn, signed int _fs);
#endif /* GNSS_GPS_L2C_SIGNAL_H_ */