AFG/dump1090
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Measure signal power / noise power (at least in 2.4MHz mode).

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Switch signalLevel back to a power measurement, don't put SNR in there.
But make it a 0.0 - 1.0 double so we're not scaling everywhere.

Adjust for the amplitude offset when calculating power.

Adapt everything else to the new scheme.
This commit is contained in:
Oliver Jowett 2015-01-22 01:01:39 +00:00
parent 5beecb9f4f
commit 19082d92ea
9 changed files with 118 additions and 28 deletions
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3
mode_s.c
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@ -1005,7 +1005,8 @@ void displayModesMessage(struct modesMessage *mm) {
if (mm->correctedbits != 0)
printf("No. of bit errors fixed: %d\n", mm->correctedbits);
printf("SNR: %d.%d dB\n", mm->signalLevel/5, 2*(mm->signalLevel%5));
if (mm->signalLevel > 0)
printf("RSSI: %.1f dBFS\n", 10 * log10(mm->signalLevel));
if (mm->score)
printf("Score: %d\n", mm->score);