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Phase Estimation in Optical Interferometry
book

Phase Estimation in Optical Interferometry

by Pramod Rastogi, Erwin Hack
November 2014
Intermediate to advanced content levelIntermediate to advanced
366 pages
11h 5m
English
CRC Press
Content preview from Phase Estimation in Optical Interferometry
288 David R. Burton
where Δ
x
ϕ(i,j) and Δ
y
ϕ(i, j) are the unwrapped phase gradients in the x and
y directions, respectively, given by
∆φ +−φ(, )(1, )(
,)
ij ij
ij
x
(8.6)
and
∆φ +−φ(, )(,1)(
,)
ij ij
ij
y
(8.7)
e wrapped phase derivatives are similarly dened on the wrapped data.
From this, it can be seen that, although seemingly a dierent approach
than those we have seen previously, in reality this, at its most fundamental
level, is a dierencing operation like the original algorithm we dened.
e exact form of the minimizing equation depends on which minimi-
zation technique is employed. Most success has been achieved using one
of three major approaches:
Unweighted least squares: First introduced by Hunt in 1979 [14], in
this technique ...
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Publisher Resources

ISBN: 9781466598317