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Experimental carrier phase initialization for faster fix

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This commit is contained in:
OSQZSS 2015-08-07 10:33:11 +09:00
parent 0bfbdc390c
commit 50103659ee
1 changed files with 7 additions and 9 deletions
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16
gpssim.c
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@ -1396,22 +1396,20 @@ int main(int argc, char *argv[])
{
range_t tmp;
double ref[3]={0.0};
double phase_offset,phase_offset_time;
double phase_ini,phase_ini_time;
double r_ref,r_xyz;
double phase_ini;
sv = chan[i].prn-1;
computeRange(&tmp, eph[sv], grx, ref);
phase_offset_time = grx.sec - tmp.range/SPEED_OF_LIGHT;
phase_offset = tmp.range/LAMBDA_L1;
phase_offset -= floor(phase_offset);
r_ref = tmp.range;
computeRange(&tmp, eph[sv], grx, xyz[0]);
phase_ini_time = grx.sec - tmp.range/SPEED_OF_LIGHT;
phase_ini = phase_offset + (phase_ini_time - phase_offset_time)*SPEED_OF_LIGHT/LAMBDA_L1;
phase_ini -= floor(phase_ini);
r_xyz = tmp.range;
chan[i].carr_phase = phase_ini;
phase_ini = (2.0*r_ref - r_xyz)/LAMBDA_L1;
chan[i].carr_phase = phase_ini - floor(phase_ini);
}
////////////////////////////////////////////////////////////