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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
56 Jingang Zhong and Jiawen Weng
by the FT are well eliminated in the AWFT. Compared with Figure2.18,
Figure2.26 shows better spatial frequency resolution using AWFT, with
the contour line concentrating most of the energy and matching the true
instantaneous frequency curve well.
e WT is another spatial frequency analysis method for signal
analysis. Here, the Gabor wavelet transform (GWT) method [11,12]
0 100 200 300 400
500
0
5
10
15
20
25
30
35
40
Position/Pixel
Scale Factor a
FIGURE 2.21 e scale factor of the Gaussian window.
(a)
(b)
FIGURE 2.22 e local fringe patterns centered at the (a) 70th pixel and (b)
300th pixel selected by Gaussian w
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Publisher Resources

ISBN: 9781466598317