Quasi-polar-based FFBP algorithm for miniature UAV SAR imaging without navigational data

S Zhou, L Yang, L Zhao, G Bi - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Because of flexible geometric configuration and trajectory designation, time-domain
algorithms become popular for unmanned aerial vehicle (UAV) synthetic aperture radar …

Knowledge-aided 2-D autofocus for spotlight SAR range migration algorithm imagery

X Mao, X He, D Li - IEEE Transactions on Geoscience and …, 2018 - ieeexplore.ieee.org
With continuous improvement of the synthetic aperture radar (SAR) resolution, the 2-D
defocus effect in SAR image resulting from uncompensated motion error has made …

Knowledge-aided 2-D autofocus for spotlight SAR filtered backprojection imagery

X Mao, L Ding, Y Zhang, R Zhan… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The filtered backprojection (FBP) algorithm is a popular choice for complicated trajectory
synthetic aperture radar (SAR) image formation processing due to its inherent nonlinear …

An extended two step approach to high-resolution airborne and spaceborne SAR full-aperture processing

D Zhu, T Xiang, W Wei, Z Ren, M Yang… - … on Geoscience and …, 2020 - ieeexplore.ieee.org
The processing of synthetic aperture radar (SAR) echoes collected during radar antenna
beam steering, such as in the staring spotlight, sliding spotlight, and TOPS operating modes …

Image defocus in an airborne UWB VHR microwave photonic SAR: Analysis and compensation

W Xu, B Wang, M Xiang, R Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
With the exploration of synthetic aperture radar (SAR), the requirements for its functionality,
precision, and response time are inevitably increasing, in which the technical core is the …

Parametric model-based 2-D autofocus approach for general BiSAR filtered backprojection imagery

T Shi, X Mao, A Jakobsson, Y Liu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The filtered backprojection (FBP) algorithm is viewed as a preferred candidate for general
bistatic synthetic aperture radar (BiSAR) imaging since it does not pose any restrictions on …

A novel motion compensation scheme for airborne very high resolution SAR

Z Chen, Z Zhang, Y Zhou, P Wang, J Qiu - Remote Sensing, 2021 - mdpi.com
Due to the atmospheric turbulence, the motion trajectory of airborne very high resolution
(VHR) synthetic aperture radars (SARs) is inevitably affected, which introduces range …

Vision-based vehicle detection for VideoSAR surveillance using low-rank plus sparse three-term decomposition

Y Zhang, D Zhu, P Wang, G Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Automatic vehicle detection from a video synthetic aperture radar (VideoSAR) system
presents significant potential to enhance the surveillance performance in dynamic region of …

Height retrieval in postprocessing-based VideoSAR image sequence using shadow information

Y Zhang, D Zhu - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
Video synthetic aperture radar (VideoSAR) imaging mode presents the capability of
generating dynamic scenes. In this paper, a postprocessing-based VideoSAR imaging …

A coarse-to-fine autofocus approach for very high-resolution airborne stripmap SAR imagery

J Li, J Chen, P Wang, O Loffeld - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
An autofocus operation is an indispensable procedure to obtain well-focused images for
synthetic-aperture radar (SAR) systems without precise navigation devices. Three …