[time-nuts] ADEV and fractional frequency

[Jeremy Nichols]

Correct, Attila. I've been trying to find two separate definitions when 
it seems they are the same thing. It also shows my age that I don't 
automatically check Wikipedia.

Jeremy

On 4/14/2016 3:18 AM, Attila Kinali wrote:
> Hoi Jeremy,
>
> On Wed, 13 Apr 2016 16:16:02 -0700
> Jeremy Nichols <jn6wfo at gmail.com> wrote:
>
>> It would appear that the Allen variance as defined at the bottom of page
>> 4 in TVB's reference to the December 1970 HP Journal (thanks, Tom!) is
>> the same formula as that used for "fractional frequency deviation" in
>> other HP publications on the 5360A. This is helpful to me because I've
>> been tearing my hair out trying to find one reference that equates the two.
> Do you mean by "the two" ADEV and fractional frequency? If so,
> could you enlighten me where the confusion comes from? Because
> the formula you refere to in the HP journal is just a different
> way of writing the standard two sample ADEV which you can also
> find on wikipedia.
>
> 			Attila Kinali
>