[time-nuts] GPSDO control loops and correcting quantizationerror

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Sep 16 17:56:22 UTC 2012


In message <ACD158CA-D76C-4A8B-B77D-4FA691D0B50B at rtty.us>, Bob Camp writes:

>The purpose of my examples was to keep things simple and look at
>the "running condition" of the loop rather than it's performance
>while it settles down.

But what is "running condition" ?

I see my PLL adjust to thermal conditions during summer (A/C) and
winter (heating) and even to GPS constellation changes...

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.




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