[time-nuts] Clock stability and its measures

Mike Garvey r3m1g4 at verizon.net
Thu Jan 29 12:20:47 EST 2015

You might, depending upon the audience, point out the advantages of
heterodyne in the comparison of two RF signals.  This, as you know, relieves
the burden of precision on the measurement equipment by the heterodyne

-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Attila
Sent: Thursday, January 29, 2015 9:17 AM
To: Discussion of precise time and frequency measurement
Subject: [time-nuts] Clock stability and its measures


I have been tasked to give a talk on clock stability and its measures next
thursday. Most of the stuff is pretty clear (and the rest can be easily
looked up in Rubiolas book, various app notes and papers).
But I would like to make sure I did not forget anything important.
The types of stability measures we have are:

* deviations
	* Allan deviation
	* modified Allan deviation
	* time deviation
	* Hadamard deviation

* noise spectrum
	* single sided power spectral density

* jitter
	* cycle-to-cycle jitter
	* period jitter
	* time interval error

Are there any other measures? Or anything important I should make sure to

Also, if someone has a presentation where I could steal some stuff from, I
would appreciate that as well.

			Attila Kinali

It is upon moral qualities that a society is ultimately founded. All the
prosperity and technological sophistication in the world is of no use
without that foundation.
                 -- Miss Matheson, The Diamond Age, Neil Stephenson
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