AnsweredAssumed Answered

vrf 8753 data formats...

Question asked by rsb on Oct 20, 2004
<Antti.Suhonen@elektrobit.com> wrote:
> Hi all,

> Anyone know how to calculate delay from freq, real- and imaginary values?


The group delay is generally the derivative of the phase response,
so take the real-imag values and convert to polar (mag/angle)
then differentiate the phase response.

NOTE - differentiation amplifes noise so you are best off if
you have lots of precise data (rather than a few so-so points).

Stan


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Stan Bischof  Agilent Technologies  707-577-3994  stan_bischof@agilent.com
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