Transionospheric autofocus for synthetic aperture radar

M Gilman, SV Tsynkov - SIAM Journal on Imaging Sciences, 2023 - SIAM
Turbulent fluctuations of the electron number density in the Earth's ionosphere may hamper
the performance of spaceborne synthetic aperture radar (SAR). Previously, we have …

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) …

[HTML][HTML] Precise Motion Compensation of Multi-Rotor UAV-Borne SAR Based on Improved PTA

Y Cheng, X Qiu, D Meng - Remote Sensing, 2024 - mdpi.com
In recent years, with the miniaturization of high-precision position and orientation systems
(POS), precise motion errors during SAR data collection can be calculated based on high …

A Prior 2-D Autofocus Algorithm With Ground Cartesian BP Imaging for Curved Trajectory SAR

Y Lou, H Lin, N Li, M Xing, J Wang… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
Due to the complexity of the trajectory, the curved trajectory SAR signal is seriously two-
dimensional (2-D) space-variant. The ground Cartesian back-projection (GCBP) algorithm is …

2-D Wavenumber-Domain Autofocusing for High-Resolution Highly-Squinted SAR Imaging Based on Equivalent Broadside Model

Y Deng, GC Sun, L Han, Y Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The wavenumber domain algorithm is an ideal solution for high-resolution and highly
squinted (HRHS) synthetic aperture radar (SAR) imaging in the case of an ideal straight …

Efficient 3-D Near-Field MIMO-SAR Imaging Based on Scanning MIMO Array

Z Hu, D Xu, T Su, G Pang… - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
Multiple-input-multiple-output (MIMO) synthetic aperture radar (SAR)(MIMO-SAR) has
numerous potential applications in fields, such as medical diagnosis and security screening …

UAS-Based SAR Repeat-Pass Interferometry With Ground Truth

A Beni, L Miccinesi, L Pagnini, L Bigazzi… - IEEE …, 2024 - ieeexplore.ieee.org
Radar systems operating aboard unmanned aerial systems (UASs) or drones are gaining lot
of interest in the remote sensing field. UASs have recently been tested as platforms for …

[PDF][PDF] 多旋翼无人机载4D 成像雷达生命体征感知方法

李志, 唐成垚, 戴永鹏, 金添 - Journal of Radars, 2024 - radars.ac.cn
无人机载雷达具有高机动灵活的特点, 可解决传统非接触式生命体征感知中存在的探测范围小和
探测场景受限等问题. 该项研究工作将4D 成像雷达搭载于多旋翼无人机上 …

Migration through Resolution Cell Correction and Sparse Aperture ISAR Imaging for Maneuvering Target Based on Whale Optimization Algorithm—Fast Iterative …

X Guo, F Liu, D Huang - Sensors, 2024 - mdpi.com
Targets faced by inverse synthetic aperture radar (ISAR) are often non-cooperative, with
target maneuvering being the main manifestation of this non-cooperation. Maneuvers cause …

Frequency Domain Imaging Algorithms for Short-Range Synthetic Aperture Radar

F Zhang, C Luo, Y Fu, W Zhang, W Yang, R Yu, S Yan - Remote Sensing, 2023 - mdpi.com
In order to achieve miniaturization, short-range radar (SRR) generally adopts millimeter-
wave (MMW) radar with a frequency-modulated continuous-wave (FMCW) system, which …