SAR image reconstruction and autofocus using complex-valued feature prior and deep network implementation

W Huo, M Li, J Wu, Z Li, J Yang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) plays an important role in remote sensing by providing
electromagnetic images of the observation scene. The prior knowledge-based SAR image …

Geometric position error analysis of airborne SAR and geometric calibration with platform motion constraints

J Wang, Y Feng, X Tong, Z Lei, S Chen, P Li, M Xi - Measurement, 2025 - Elsevier
Airborne synthetic aperture radar (SAR) has the advantages of flexible scanning geometry
and high spatial resolution compared with spaceborne SAR. However, the quality and …

Accelerating minimum entropy autofocus with stochastic gradient for UAV SAR imagery

Z Meng, L Zhang, Y Ma, G Wang… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Minimum entropy autofocus (MEA) has been applied in unmanned aerial vehicle (UAV)
synthetic aperture radar (SAR) imagery for its robustness in different circumstances …

[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 …

Residual motion error correction with backprojection multisquint algorithm for airborne synthetic aperture radar interferometry

P Xie, M Zhang, L Zhang, G Wang - Sensors, 2019 - mdpi.com
For airborne interferometric synthetic aperture radar (InSAR) data processing, it is essential
to achieve precise motion compensation to obtain high-quality digital elevation models …

A coherence improvement method based on sub-aperture InSAR for human activity detection

Z Wang, B Wang, M Xiang, X Hu, C Song, S Wang… - Sensors, 2021 - mdpi.com
Human activity detection plays an important role in social security monitoring. Since human
activity is very weak, it is necessary to employ the repeat-pass Interferometric Synthetic …

[HTML][HTML] L 波段机载重轨干涉SAR 系统及其试验研究

鲁加国, 陶利, 钟雪莲, 张佳佳, 沈明星, 刘志坤 - 雷达学报, 2019 - radars.ac.cn
该文介绍了一种L 波段机载重轨干涉合成孔径雷达(SAR) 系统及其开展的重轨干涉SAR
飞行试验与数据反演研究. 重点介绍了系统内定标方法, 基于差分全球定位系统/惯性测量单元 …

平台转动对SAR 成像的影响分析

许辉, 孙英钦, 安广锐, 张一军 - 应用光学, 2019 - yygx.xml-journal.net
分析了合成孔径雷达(SAR) 平台偏航, 俯仰和横滚3 个方向转动对成像的影响.
建立了平台转动模型, 从雷达照射区域的变化, 回波的幅度调制和回波的相位调制等3 …

DEM Generation with High-Resolution Repeat-Pass Interferometry for Airborne Squinted SAR Acquisitions

L Tao, X Zhong, T Wu, J Zhang… - 2019 6th Asia-Pacific …, 2019 - ieeexplore.ieee.org
In this paper, the experimental results for extraction of high precision terrain information from
airborne repeat-pass interferometric synthetic aperture radar (InSAR) data are presented …

Radar Coincidence Imaging With a Uniform Circular Array

R Li, Y Luo, Q Zhang, YJ Chen, D Wang - IEEE Access, 2020 - ieeexplore.ieee.org
Radar coincidence imaging (RCI), used in conjunction with a uniform circular array (UCA), is
presented in this paper. When performing two-dimensional (2-D) imaging for a target, using …