Forrest Christian said: > One thing which it took me a while to wrap my head around is that for > frequency, sawtooth error generally dissappears for a lot of definitions of > reasonable accuracy. You're averaging for such a long period that what seems > like horrible accuracy is very usable.
Check out hanging bridges. :) > For instance say your gps 1PPS source is accurate to +-1uS. Over 1 second > this is 1e-6. But over 1000 seconds this is 1e-9. Over 100000 seconds > you're at 1e-11. For a 10MHz clock adjusted using this long of averaging, > this error is only +-.0001Hz That only works if the device you are controlling is stable over that time period. -- These are my opinions. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
