[time-nuts] Effects of filter delay
Poul-Henning Kamp
phk at phk.freebsd.dk
Sat Dec 23 18:34:57 EST 2006
In message <v04210100c1b362e32a0c@[10.0.0.3]>, Peter Vince writes:
>Please forgive what is probably a naive question from this newbie,
>but a loop filter has considerable delay (half the number of samples
>for a typical(?) symmetrical FIR or block-averaging filter).
One interesting approach here is to use a linear regression on the
last N measurements to predict where the next one will be.
This has slightly different results than a Kalman filter.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
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