List: time-nuts@lists.febo.com
From: Poul-Henning Kamp
Re: [time-nuts] On some pitfalls of the dual mixer timedifferencemethod of horology
Sun, Oct 1, 2006 12:42 PM
In message <000001c6e54b$d13299a0$03b2fea9@athlon>, "Ulrich Bangert" writes:
>Hello Paul-Henning,
>
>www.tmo.jpl.nasa.gov/progress_report/42-121/121G.pdf
>
>definitely uses no FFT but uses a theoreme from geometry to estimate the
>signal's frequency and the rest is a two dimensional non-linear fit for
>amplitude and phase.