Full-aperture processing of airborne microwave photonic SAR raw data

J Chen, M Li, H Yu, M Xing - IEEE Transactions on Geoscience …, 2023 - ieeexplore.ieee.org
At present, the resolution of the most advanced airborne microwave photonic synthetic
aperture radar (SAR) can reach the order of centimeters or even millimeters, so the 2-D …

Very High-Resolution Synthetic Aperture Radar Systems and Imaging: A Review

X Chen, Z Dong, Z Zhang, C Tu, T Yi… - IEEE Journal of Selected …, 2024 - ieeexplore.ieee.org
Given its capacity to generate 2-D fine images of observation areas, very high resolution
(VHR) synthetic aperture radar (SAR) has become increasingly popular in myriad fields …

ST-Net: Scattering topology network for aircraft classification in high-resolution SAR images

Y Kang, Z Wang, H Zuo, Y Zhang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Aircraft classification in synthetic aperture radar (SAR) images plays a considerable role in
global region management and surveillance. Recently, deep learning has been applied to …

Self-Supervised Feature Representation for SAR Image Target Classification Using Contrastive Learning

H Pei, M Su, G Xu, M Xing… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
Nowadays, the developed deep neural networks (DNNs) have been widely applied to
synthetic aperture radar (SAR) image interpretation, such as target classification and …

Performance analysis of wavenumber domain algorithms for highly squinted SAR

X Chen, Z Hou, Z Dong, Z He - IEEE Journal of Selected Topics …, 2023 - ieeexplore.ieee.org
Wavenumber domain algorithms have unique advantages in processing highly squinted
synthetic aperture radar data. This article studies the performance of three commonly used …

Improved Parametric Polar Format Algorithm for High-Squint and Wide-Beam SAR Imaging

Z Meng, L Zhang, G Wang, J Lu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
High-squint and wide-beam synthetic aperture radar (SAR) imaging is challenging for
current popular SAR imaging algorithms, because the severe spatial-variant motion error …

Microwave Photonic Synthetic Aperture Radar: Systems, experiments, and imaging processing

J Chen, R Xiong, H Yu, G Xu, R Li… - IEEE Geoscience and …, 2024 - ieeexplore.ieee.org
With the development of synthetic aperture radar (SAR) technology, the resolution of SAR
images has been improved from tens of meters to centimeters (currently the highest) …

A passive signal focusing algorithm based on synthetic aperture technique for multiple radiation source localization

Y Wang, L Han, X Zhang, GC Sun… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
The Doppler dispersion of the received signal is very severe when the beamwidth of the
antenna is wide, resulting in a decrease in localization accuracy for multiple radiation source …

[HTML][HTML] Analysis and comparison of automatic image focusing algorithms in digital image processing

W Zhou, D Yang - Journal of Radiation Research and Applied Sciences, 2023 - Elsevier
Optical imaging equipment is widely used in many fields such as industry, medicine and
military, etc. The autofocus, as the main component affecting image clarity, still needs to be …

Processing of airborne microwave photonic SAR raw data with inaccurate RSF

J Chen, M Li, M Xing, G Xu, Y Zhu… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
Due to system instability and other reasons, the actual range sampling frequency (RSF) of
the system may deviate from the ideal value for the microwave photonic synthetic aperture …