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set lower limit of freq est away from DC, as DC line gets larger than signals near MDS

master
David Rowe 2020-08-10 13:14:53 +09:30
parent c629115642
commit 83a8f48deb
1 changed files with 2 additions and 1 deletions
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3
src/rtl_fsk.c
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@ -439,8 +439,9 @@ int main(int argc, char **argv)
} }
{ {
/* set minimum "channel" for freq est */ /* set minimum "channel" for freq est */
fsk_lower = 0; fsk_lower = Rs/2;
fsk_upper = 4*Rs; fsk_upper = 4*Rs;
if (fsk_lower < 2000) fsk_lower = 2000;
if (fsk_upper < channel_width) fsk_upper = channel_width; if (fsk_upper < channel_width) fsk_upper = channel_width;
fprintf(stderr,"Setting estimator limits to %d to %d Hz.\n", fsk_lower, fsk_upper); fprintf(stderr,"Setting estimator limits to %d to %d Hz.\n", fsk_lower, fsk_upper);
fsk_set_freq_est_limits(fsk,fsk_lower,fsk_upper); fsk_set_freq_est_limits(fsk,fsk_lower,fsk_upper);