[time-nuts] New Subscriber, DIY GPSDO project (yes, another one)

Attila Kinali attila at kinali.ch
Mon Mar 9 21:25:53 UTC 2020


On Mon, 09 Mar 2020 13:44:59 +0000
"Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:

> I'm thinking 24h (to minimize GPS periodicities) frequency measurement
> and adjustment, with a continuous very weak proportional phase adjustment
> to come with measurement noise and rounding errors ?

Please correct me if I'm wrong, but that sounds like a
simplified version of a Kalman filter, with the only
predicted variable being the frequency of the LO.

			Attila Kinali
-- 
<JaberWorky>	The bad part of Zurich is where the degenerates
                throw DARK chocolate at you.




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