3 ms·
From a quick look at https://link.springer.com/article/10.1007/s10291-018-0744-8 https://link.springer.com/article/10.1007/s10291-018-0744-8 "At some level, a
by jhayward 7y ago
From a quick look at
https://link.springer.com/article/10.1007/s10291-018-0744-8 https://link.springer.com/article/10.1007/s10291-018-0744-8
"At some level, all GNSS-IR studies are based on the analysis of SNR patterns created by the interference of direct and reflected (or multipath) GNSS signals."
It appears they are using the effect that reflected signal has on the receiver's reported SNR value to impute multipath frequencies.