Yes.
For frequency flicker it should be clear enough. Naturally you have
frequency error and drift in there, especially on the H-masers. H-masers
where not used until the ALGOS algorithm got a drift estimator component
in it.
Cheers,
Magnus
On 03/02/2017 09:50 AM, Azelio Boriani wrote:
These data fles?
ftp://ftp2.bipm.org/pub/tai/data/2017/clocks/
every 5 days...
On Thu, Mar 2, 2017 at 12:18 AM, Magnus Danielson
<[email protected]> wrote:
Hi,
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.
Cheers,
Magnus
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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