Abstract
The original formulation of spatially variant apodization for
complex synthetic aperture radar imagery concentrated on
integer-oversampled data. Noninteger-oversampled data presented
previously [IEEE Trans. Aerosp. Electron. Syst. 31, 267 (1995)] suggested use of different weightings in the
algorithm. An alternative noninteger-oversampled approach that
employs the same apodization concept but uses local spatial
interpolation is presented. With this approach the combined image
formation, apodization, and detection of 1.3×-versus-2.0× oversampled
data can be performed in half the time without loss of image
quality.
© 2000 Optical Society of America
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