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2
votes
using DPLL to track audio tones: configuration parameters?
Some random pointers
The signum function probably don't help here. PLLs can lock to any harmonic (not just the fundamental) and the signum function will generate lots and lots of harmonics and also s …
2
votes
BPSK based audio digital communication system
I mean it's just acoustic waves through air
No it's not. Not unless you are operating in an anechoic chamber (which is unlikely). The total transfer function of your channel can be quite complicated …