Motion compensation/autofocus in airborne synthetic aperture radar: A review

J Chen, M Xing, H Yu, B Liang, J Peng… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
Air-and spaceborne synthetic aperture radar (SAR) can provide a large number of high-
resolution images for microwave remote sensing applications, such as geoscience and …

[HTML][HTML] 合成孔径雷达抗干扰技术综述

黄岩, 赵博, 陶明亮, 陈展野, 洪伟 - 雷达学报, 2020 - radars.ac.cn
合成孔径雷达抗干扰技术综述 作者中心 专家审稿 责编办公 编辑办公 首页 优先发表 当期目录
过刊浏览 论文排行 1.引用排行 2.摘要浏览排行 3.HTML点击排行 4.全文下载排行 数据 1.雷达对海 …

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 …

An extended two step approach to high-resolution airborne and spaceborne SAR full-aperture processing

D Zhu, T Xiang, W Wei, Z Ren, M Yang… - … on Geoscience and …, 2020 - ieeexplore.ieee.org
The processing of synthetic aperture radar (SAR) echoes collected during radar antenna
beam steering, such as in the staring spotlight, sliding spotlight, and TOPS operating modes …

Time-domain autofocus for ultrahigh resolution SAR based on azimuth scaling transformation

H Lin, J Chen, M Xing, X Chen, N Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For ultrahigh resolution synthetic aperture radar (SAR), azimuth spectrum aliasing limits the
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …

Image defocus in an airborne UWB VHR microwave photonic SAR: Analysis and compensation

W Xu, B Wang, M Xiang, R Li… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
With the exploration of synthetic aperture radar (SAR), the requirements for its functionality,
precision, and response time are inevitably increasing, in which the technical core is the …

An improved map-drift algorithm for unmanned aerial vehicle SAR imaging

Y Huang, F Liu, Z Chen, J Li… - IEEE Geoscience and …, 2020 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) is usually sensitive to
trajectory deviations that cause severe motion error in the recorded data. Because of the …

Analysis and Compensation for Systematical Errors in Airborne Microwave Photonic SAR Imaging by 2-D Autofocus

M Chen, X Qiu, R Li, W Li, K Fu - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
In the area of synthetic aperture radar (SAR), the ultrahigh resolution is always a continuous
pursuit for researchers. To realize ultrahigh resolution, microwave photonics technology is …

Robust two-dimensional spatial-variant map-drift algorithm for UAV SAR autofocusing

G Wang, M Zhang, Y Huang, L Zhang, F Wang - Remote Sensing, 2019 - mdpi.com
Autofocus has attracted wide attention for unmanned aerial vehicle (UAV) synthetic aperture
radar (SAR) systems, because autofocus process is crucial and difficult when the phase …

Precise Motion Compensation Approach for High-Resolution Multirotor UAV SAR in the Presence of Multiple Errors

J Han, S Tang, Z Chen, Y Ren, Z Lian… - IEEE Journal of …, 2024 - ieeexplore.ieee.org
As an important supplement to traditional airborne synthetic aperture radar (SAR), multirotor
unmanned aerial vehicle (UAV) SAR has the advantages of low cost, high flexibility, and …