A generalized phase gradient autofocus algorithm

A Evers, JA Jackson - IEEE Transactions on Computational …, 2019 - ieeexplore.ieee.org
The phase gradient autofocus (PGA) algorithm has seen widespread use and success
within the synthetic aperture radar (SAR) imaging community. However, its use and success …

Synthetic aperture radar autofocus based on a bilinear model

KH Liu, A Wiesel, DC Munson - IEEE Transactions on image …, 2012 - ieeexplore.ieee.org
Autofocus algorithms are used to restore images in nonideal synthetic aperture radar
imaging systems. In this paper, we propose a bilinear parametric model for the unknown …

Generalized phase gradient autofocus using semidefinite relaxation phase estimation

A Evers, JA Jackson - IEEE Transactions on Computational …, 2019 - ieeexplore.ieee.org
Recently, we developed a generalized phase gradient autofocus (GPGA) algorithm for
performing synthetic aperture radar (SAR) autofocus over arbitrary flight paths, including …

Mitigating atmospheric phase errors in SAL data

RS Depoy Jr - 2020 - rave.ohiolink.edu
Synthetic aperture ladar (SAL) is an emerging remote sensing technology capable of
providing high-resolution, interpretable, and timely imagery. SAL and synthetic aperture …