... I don't use the
denoiser at narrow CW bandwidths, but I am still experimenting with it.
The denoiser is not effective at really narrow bandwidths. It is more
effective with wider bandwidths, in which case it can suppress noise and
let the CW signals pop out of a quieter background.
With a very narrow filter already in place, noise looks more and more
like a signal because many of its random characteristics have already
been suppressed.
Think of the denoiser as a filter, looking for "signatures" that look
like signals. When it finds one, it builds a filter around that
frequency and the signal then appears.
If you have already selected a narrow filter, the "denoising" has
already been done.
73,
Lyle KK7P
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