Generalized Phase Gradient Autofocus Using Semidefinite Relaxation Phase Estimation
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DOI: 10.1109/tci.2019.2948733
Abstract: Recently, we developed a generalized phase gradient autofocus (GPGA) algorithm for performing synthetic aperture radar (SAR) autofocus over arbitrary flight paths, including both near-field and bistatic collection geometries. A key step of the GPGA algorithm… read more here.
Keywords: gradient autofocus; phase estimation; generalized phase; phase gradient ... See more keywords