Ground Cartesian back-projection algorithm for high squint diving TOPS SAR imaging

X Chen, GC Sun, M Xing, B Li, J Yang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a fast back-projection (BP) algorithm based on subaperture (SA) image
coherent combination in a downsampled Cartesian coordinate grid for high squint diving …

Spaceborne high-squint high-resolution SAR imaging based on two-dimensional spatial-variant range cell migration correction

Z Ding, P Zheng, H Li, T Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
High-squint imaging is an effective means to enhance the flexibility and coverage ability of
spaceborne synthetic aperture radar (SAR). Although existing imaging algorithms based on …

3d radio imaging under low-rank constraint

Y He, D Zhang, Y Chen - … on Circuits and Systems for Video …, 2023 - ieeexplore.ieee.org
Radio frequency (RF) imaging has been of interest for years due to its ability to create
images of targets without being affected by weather and light conditions. The existing …

A novel motion compensation method applicable to ground cartesian back-projection algorithm for airborne circular SAR

Y Lou, W Liu, M Xing, H Lin, X Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The ground-Cartesian factorized back-projection (G-CFBP) is an efficient time-domain
processing algorithm without image interpolation and can realize accurate imaging for …

Multi-scale fused SAR image registration based on deep forest

S Mao, J Yang, S Gou, L Jiao, T Xiong, L Xiong - Remote Sensing, 2021 - mdpi.com
SAR image registration is a crucial problem in SAR image processing since the registration
results with high precision are conducive to improving the quality of other problems, such as …

Efficient rotating synthetic aperture radar imaging via robust sparse array synthesis

W Zhao, C Wen, Q Yuan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Rotating synthetic aperture radar (ROSAR) can generate a 360° image of its surrounding
environment using the collected data from a single moving track. Due to its nonlinear track …

A monostatic forward-looking staring spotlight SAR raw data generation and hybrid-domain image formation modifications based on extended azimuth nonlinear chirp …

IH Shahrezaei, HC Kim - IEEE Transactions on Aerospace and …, 2022 - ieeexplore.ieee.org
Forward-looking staring spotlight synthetic aperture radar (FSS-SAR) offers operational
advantages over conventional squinted SAR counterparts. However, due to its complex …

High Frame-Rate Imaging Using Swarm of UAV-Borne Radars

J Ding, K Zhang, X Huang, Z Xu - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
High frame-rate imaging of synthetic aperture radar (SAR), known as video SAR, has
received much research interest these years. It usually operates at extremely high frequency …

An improved spatially variant MOCO approach based on an MDA for high-Resolution UAV SAR imaging with large measurement errors

Y Ren, S Tang, Q Dong, G Sun, P Guo, C Jiang, J Han… - Remote Sensing, 2022 - mdpi.com
For unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) imaging, motion errors
cannot be obtained accurately when high precision motion sensors are not equipped on the …

Widefield Parametric Polar Format Algorithm for Spotlight SAR Imaging

Z Meng, L Zhang, L Chen - IEEE Journal of Selected Topics in …, 2023 - ieeexplore.ieee.org
For widefield synthetic aperture radar (SAR) imaging, range-dependent motion errors and
range curvature are the main obstacle for range cell migration correction (RCMC) and …