[time-nuts] DMTD to MMTD

[Bruce Griffiths]

Bob Camp wrote:
> Hi
>
>
>
> DMTD looks at a pair of sources (crystal, rubidium, maser .) and tells you
> the difference between them. If you looked at more than two, you can better
> characterize the individual sources.
>
>
>
> Any good papers out there on taking the DMTD approach and extending it to
> simultaneous observation of a number (like 3 or 5) of oscillators?  I'm sure
> I've missed at least one ..
>
>
>
> Bob
>
>    
Bob

JPL have had such systems for many years:

http://tmo.jpl.nasa.gov/progress_report/42-169/169B.pdfhttp://tmo.jpl.nasa.gov/progress_report/42-169/169B.pdf

http://tycho.usno.navy.mil/ptti/1994/Vol%2026_25.pdf

Bruce