Fast ISAR autofocus algorithm via sub-aperture - Cai, Jinjian; Song, Yuanyuan; Sun, Yinghao; Liu, Feifeng (Journal of engineering (Stevenage, England), 2019)
Keywords: average range profiles; complex range-aligned signal; computational efficiency; conventional EVD‐based methods; covariance matrices; covariance matrix; cross-range resolution; eigenvalue decomposition; eigenvalues and eigenfunctions; fast ISAR autofocus algorithm; full-aperture phase autofocus; full-aperture signal; heavy computational complexity; IET International Radar Conference (IRC 2018); inverse synthetic aperture radar; ISAR‐phase autofocus; jump-phase compensation; motion compensation; multiple partially overlapped sub-apertures; observation pulse number; phase errors; phase-error estimation; principle eigenvectors; radar imaging; significant step; sub-aperture evd-based method; synthetic aperture radar; TMC; traditional autofocus algorithms; translational motion compensation; complex range-aligned signal; multiple partially overlapped sub-apertures; cross-range resolution; computational efficiency; motion compensation; eigenvalues and eigenfunctions; covariance matrix; full-aperture signal; significant step; inverse synthetic aperture radar; phase errors; sub-aperture EVD-based method; radar imaging; average range profiles; phase-error estimation; covariance matrices; ISAR-phase autofocus; observation pulse number; jump-phase compensation; TMC; principle eigenvectors; translational motion compensation; traditional autofocus algorithms; synthetic aperture radar; heavy computational complexity; eigenvalue decomposition; full-aperture phase autofocus; fast ISAR autofocus algorithm; conventional EVD-based methods