Since the trajectory deviations of a radar platform cause serious phase errors that degrade
the focusing quality of synthetic aperture radar (SAR) imagery, an autofocus method is very …

The back projection (BP) algorithm is an accurate time-domain imaging method for synthetic
aperture radar. However, the influences of wind field and turbulence on the platform make …

Wide-Angle (WA) synthetic aperture radar (SAR) has shown remarkable performance in
high-resolution mapping, and its mostly used imaging algorithm, fast factorized back …

The back-projection (BP) algorithm is an ideal solution for large-swath airborne SAR
imaging. However, space-variant phase errors induced by trajectory deviations dramatically …

Back-projection (BP) is considered as an ideal methodology for the high-resolution synthetic
aperture radar (SAR) imaging. However, applying conventional autofocus techniques to BP …

The phase gradient autofocus (PGA) is a robust autofocusing approach that can efficiently
refocus defocused synthetic aperture radar (SAR) imagery produced by frequency-domain …

Back-projection (BP) is a reliable synthetic aperture radar (SAR) imaging algorithm because
of its high-resolution and strong adaptability. However, it is hard to implement because of its …

In the area of airborne synthetic aperture radar (SAR), motion compensation (MOCO) is a
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …

For ultrahigh resolution synthetic aperture radar (SAR), azimuth spectrum aliasing limits the
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …

An autofocus operation is an indispensable procedure to obtain well-focused images for
synthetic-aperture radar (SAR) systems without precise navigation devices. Three …