Uncorrelated noise improves resolution in certain systems, even
mechanical ones... it´s called dither:
http://en.wikipedia.org/wiki/Dither
Daniel
Em 03/03/2014 11:35, Poul-Henning Kamp escreveu:
In message <[email protected]>, [email protected] writes:
I realise the internal reference is already a 10811, but I thought there
was some concern that just the use of the external reference facility might
be in some way responsible, [...]
No, I see no signs of that anywhere in my experiments.
The issue is if the HP5370 internal signals are synchronized to the
signals you're trying to measure, then you're in trouble.
I saw the same kind of phenomena running the HP5370 on its internal
OCXO and feeding the HP3336 ref-in from HP5370-ref-out.
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