[time-nuts] phase/frequency data of real atomic clocks

Magnus Danielson magnus at rubidium.dyndns.org
Wed Mar 1 18:18:14 EST 2017


Have you considered the BIPM logs?
While not very high sampling rate, it has lots of clocks over long time.

Time to set something up again.


On 03/01/2017 11:36 PM, Attila Kinali wrote:
> Hi,
> I have been looking into noise and noise processes in the last couple
> of months. Unfortunately, my seemingly simple question how to simulate
> power law noise (1/f^a noise) properly led me to a wild goose chase
> deep into the mathematical lala-land[1].
> In order to verify that I haven't gone completely off the track,
> I would like to check some of the assumptions made with real data.
> Hence I would like to ask, whether people here have continuous
> phase/frequency data of real atomic clocks, and if I could get
> a copy of those, together with a description how it was measured.
> I am looking for any kind of atomic clock and any kind of measurement.
> The higher the sample rate and the longer the measurement the better,
> but I will not be picky.
> If you know someone who has collected such data, any contact
> information would also be helpful.
> Computer generated data does not work in this case, as I want to
> verify that the assumptions made in the mathematical models
> have a foundation in the real physical implementations.
> Thanks in advance
> 			Attila Kinali
> [1] For those interested: If you think that calculus or stochastic
> was difficult, imagine what their offspring "stochastic calculus"
> looks like. Now add fractional calculus (half-integrals and
> half-differentials, but nothing about fractals per se) to the
> whole thing and you get fractals waiting around the corner.

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