Gapped-Data APES - Spectral Analysis of Signals: The Missing Data Case - page 29

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(b) (c)

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(d) (e) (f)
FIGURE 3.3 : Modulus of the SAR images of the backhoe data obtained from a 48 48

data matrix with missing samples. (a) 3-D CAD model and K-space data, (b) 2-D complete-
data WFFT, (c) 2-D complete-data APES with a 2-D filter of size 24

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36, (d) 2-D data
missing pattern, the black stripes indicate missing samples, (e) 2-D WFFT, and (f ) 2-D
GAPES with an initial 2-D filter of size 20

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