Hi Paul,
KB1EHD wrote:
> If the transmission algorithm could be made to preserve coherence over an
> entire exchange, so that any given tone will be coherent with all other
> occurrences of that tone, that could provide more information the receiver
> could use to tease apart overlapping signals.
The transmission algorithm (for all WSJT modes) already preserves phase
over entire transmissions: there are no phase discontinuities at the
tone boundaries. In this sense, coherence is present not only for a
particular tone, but for all tones of the M-FSK modulation scheme.
My previous post (~40 minutes ago) was about taking advantage of the
fact that for a particular signal, amplitude and phase should both be
continuous across symbol boundaries. Taking advantage of this fact
should be helpful in separating signals that overlap in frequency.
-- 73, Joe, K1JT
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