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Add constant power option

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OSQZSS 2023-09-02 11:40:59 +09:00
parent d17bb9035c
commit b88f16194a
1 changed files with 10 additions and 2 deletions
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12
gpssim.c
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@ -1707,6 +1707,7 @@ void usage(void)
" -s <frequency> Sampling frequency [Hz] (default: 2600000)\n"
" -b <iq_bits> I/Q data format [1/8/16] (default: 16)\n"
" -i Disable ionospheric delay for spacecraft scenario\n"
" -p Disable path loss and hold power level constant\n"
" -v Show details about simulated channels\n",
((double)USER_MOTION_SIZE) / 10.0, STATIC_MAX_DURATION);
@ -1775,6 +1776,7 @@ int main(int argc, char *argv[])
int timeoverwrite = FALSE; // Overwrite the TOC and TOE in the RINEX file
ionoutc_t ionoutc;
int path_loss_enable = TRUE;
////////////////////////////////////////////////////////////
// Read options
@ -1798,7 +1800,7 @@ int main(int argc, char *argv[])
exit(1);
}
while ((result=getopt(argc,argv,"e:u:x:g:c:l:o:s:b:T:t:d:iv"))!=-1)
while ((result=getopt(argc,argv,"e:u:x:g:c:l:o:s:b:T:t:d:ipv"))!=-1)
{
switch (result)
{
@ -1890,6 +1892,9 @@ int main(int argc, char *argv[])
case 'i':
ionoutc.enable = FALSE; // Disable ionospheric correction
break;
case 'p':
path_loss_enable = FALSE; // Disable path loss
break;
case 'v':
verb = TRUE;
break;
@ -2243,7 +2248,10 @@ int main(int argc, char *argv[])
ant_gain = ant_pat[ibs];
// Signal gain
gain[i] = (int)(path_loss*ant_gain*128.0); // scaled by 2^7
if (path_loss_enable == TRUE)
gain[i] = (int)(path_loss * ant_gain * 128.0); // scaled by 2^7
else
gain[i] = 128; // hold the power level constant
}
}