Extended PGA for Spotlight SAR-Filtered Backprojection Imagery
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DOI: 10.1109/lgrs.2022.3223164
Abstract: The phase gradient autofocus (PGA) is a robust autofocusing approach that can efficiently refocus defocused synthetic aperture radar (SAR) imagery produced by frequency-domain algorithms. However, from a conventional viewpoint, PGA cannot be extended to refocus… read more here.
Keywords: pga; fbp; imagery; filtered backprojection ... See more keywords