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 …

A new fast factorized back projection algorithm for bistatic forward-looking SAR imaging based on orthogonal elliptical polar coordinate

S Zhou, L Yang, L Zhao, Y Wang… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Due to the flexible bistatic configuration and complicated moving trajectory of radar platform,
time-domain algorithms have significant focusing performance advantages for bistatic …

An extended fast factorized back projection algorithm for missile-borne bistatic forward-looking SAR imaging

D Feng, D An, X Huang - IEEE Transactions on Aerospace and …, 2018 - ieeexplore.ieee.org
In this paper, an extended fast factorized back projection (FFBP) algorithm is proposed to
focus the missile-borne bistatic forward-looking synthetic aperture radar (BFSAR) data. It is …

Wavenumber-domain autofocusing for highly squinted UAV SAR imagery

L Zhang, J Sheng, M Xing, Z Qiao… - IEEE Sensors …, 2011 - ieeexplore.ieee.org
Being capable of enhancing the flexibility and observing ability of synthetic aperture radar
(SAR), squint mode is one of the most essential operating modes in SAR applications …

An effective autofocus method for fast factorized back-projection

J Wu, Y Li, W Pu, Z Li, J Yang - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
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 …

Fast Factorized Backprojection Algorithm in Orthogonal Elliptical Coordinate System for Ocean Scenes Imaging Using Geosynchronous Spaceborne–Airborne VHF …

X Hu, H Xie, L Zhang, J Hu, J He, S Yi, H Jiang, K Xie - Remote Sensing, 2023 - mdpi.com
Geosynchronous (GEO) spaceborne–airborne very high-frequency ultra-wideband bistatic
synthetic aperture radar (VHF UWB BiSAR) can conduct high-resolution and wide-swath …

Fast time-domain imaging in elliptical polar coordinate for general bistatic VHF/UHF ultra-wideband SAR with arbitrary motion

H Xie, D An, X Huang, Z Zhou - IEEE Journal of Selected Topics …, 2014 - ieeexplore.ieee.org
In this paper, a fast time-domain imaging algorithm called bistatic fast factorized back
projection algorithm (BFFBPA) is proposed for the general bistatic VHF/UHF ultra-wideband …

Microwave photonic SAR high-precision imaging based on optimal subaperture division

Y Hai, Z Li, J Wu, Y Li, Y Xiao, W Li, R Li… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Microwave photonic synthetic aperture radar (MWP-SAR) offers a larger signal bandwidth
than conventional SAR, and its theoretical resolution can be improved to centimeter level. To …

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 …

Fast factorised backprojection algorithm in elliptical polar coordinate for one‐stationary bistatic very high frequency/ultrahigh frequency ultra‐wideband synthetic …

H Xie, D An, X Huang, X Li… - IET radar, sonar & …, 2014 - Wiley Online Library
The precise disposal of azimuth variance of range cell migrations and motion errors in the
one‐stationary bistatic very high frequency/ultrahigh frequency ultra‐wideband synthetic …