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 …

[HTML][HTML] Fast and accurate refocusing for moving ships in SAR imagery based on FrFT

J Wang, X Leng, Z Sun, X Zhang, K Ji - Remote Sensing, 2023 - mdpi.com
Synthetic aperture radar (SAR) is capable of monitoring the ocean all day, regardless of
weather conditions. However, moving ships exhibit azimuth defocus in SAR images, which …

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 …

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 …

[HTML][HTML] DAFCNN: A dual-channel feature extraction and attention feature fusion convolution neural network for SAR image and MS image fusion

J Luo, F Zhou, J Yang, M Xing - Remote Sensing, 2023 - mdpi.com
In the field of image fusion, spatial detail blurring and color distortion appear in synthetic
aperture radar (SAR) images and multispectral (MS) during the traditional fusion process …

Efficient Image Reconstruction Methods Based on Structured Sparsity for Short-Range Radar

S Song, Y Dai, S Sun, T Jin - IEEE Transactions on Geoscience …, 2024 - ieeexplore.ieee.org
The radar imaging method, based on matched filtering (MF), generates high gratings and
sidelobes in sparse aperture data, resulting in artifacts in the radar image. The theory of …

[HTML][HTML] Feature Enhancement Using Multi-Baseline SAR Interferometry-Correlated Synthesis Images for Power Transmission Tower Detection in Mountain Layover …

B Wu, H Wang, J Chen - Remote Sensing, 2023 - mdpi.com
The detection performance of power transmission towers in mountainous areas using SAR
amplitude images is obviously influenced by the strong layover background (mainly …

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 …

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 …

[HTML][HTML] Two-Step Accuracy Improvement for Multitarget Detection in Complex Environment Using UWB Radar

Z Liang, Y Jin, D Yang, B Liang, J Mo - Remote Sensing, 2024 - mdpi.com
Detecting multiple human targets in indoor scenarios using ultra-wideband (UWB) radar
usually involves false detection results caused by the secondary reflections, which might …