[time-nuts] AVAR calculation

Tom Van Baak tvb at LeapSecond.com
Sun Jan 10 23:27:00 UTC 2010


> Comparing the overlapped Hadamard deviation and overlapped ADEV plots 
> indicates that linear frequency drift may be significant for tau > 
> 100sec or so.
> 
> Bruce

Agreed. The data set exhibits a drift rate of about -1.e-10.
Attached is a raw frequency plot and you can just detect
the slope in the wash of short-term noise. 

Also attached is a 100-second average frequency plot
where the linear frequency drift is much more evident.

/tvb
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