An extend Kaiser distribution optimization phase compensation algorithm for terahertz airborne SAR imaging

Y Li, J Liu, J Li, R Min, S Wei, H Xiao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
A terahertz (THz) airborne synthetic aperture radar (SAR) with a carrier frequency of up to
220 GHz is developed. However, due to the short wavelength of THz, the motion …

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 …

A Focusing Method of Buildings for Airborne Circular SAR

D Feng, D An, J Wang, L Chen, X Huang - Remote Sensing, 2024 - mdpi.com
Airborne circular synthetic aperture radar (CSAR) can realize high-resolution imaging of the
scene over 360 degrees azimuth angle variation. Aiming at the problem of focusing of …

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) …

Non-line-of-sight Sparse Aperture ISAR Imaging Via A Novel Detail-aware Regularization

Y Wen, S Wei, X Cai, Y Hu, M Wang… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
Non-line-of-sight (NLOS) moving target imaging is an emerging and challenging technology
with potential applications in autonomous driving, security detection, disaster response, and …

Efficient Near-Field Radar Microwave Imaging Based on Joint Constraints of Low-Rank and Structured Sparsity at Low SNR

S Song, Y Dai, Y Song, T Jin - IEEE Transactions on Microwave …, 2024 - ieeexplore.ieee.org
With the continuous development of near-field radar microwave imaging technology, low-
rank or compressed sensing (CS) methods have shown great potential in solving high …

Enhanced One-Bit SAR Imaging Method Using Two-Level Structured Sparsity to Mitigate Adverse Effects of Sign Flips

S Ge, N Jiang, D Feng, S Song, J Wang… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
One-bit synthetic aperture radar (SAR) imaging technology has garnered significant
attention due to its ability to substantially reduce system complexity and data storage …

[HTML][HTML] Unsupervised Multi-Scale Hybrid Feature Extraction Network for Semantic Segmentation of High-Resolution Remote Sensing Images

W Song, F Nie, C Wang, Y Jiang, Y Wu - Remote Sensing, 2024 - mdpi.com
Generating pixel-level annotations for semantic segmentation tasks of high-resolution
remote sensing images is both time-consuming and labor-intensive, which has led to …

[HTML][HTML] A High-Resolution and Robust Microwave Correlation Imaging Method Based on URRF Using MC-AAMPE Algorithm

M Xue, M Xing, Y Gao, Z Wu, W Tang, Y Wang - Remote Sensing, 2024 - mdpi.com
This manuscript presents a novel framework for high-resolution and robust microwave
correlation imaging. In order to generate a more diverse random radiation field distribution …

PolSAR Image Classification Based on Multi-Modal Contrastive Fully Convolutional Network

W Hua, Y Wang, S Yang, X Jin - Remote Sensing, 2024 - mdpi.com
Deep neural networks have achieved remarkable results in the field of polarimetric synthetic
aperture radar (PolSAR) image classification. However, PolSAR is affected by speckle …