Processing of airborne microwave photonic SAR raw data with inaccurate RSF

J Chen, M Li, M Xing, G Xu, Y Zhu… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
Due to system instability and other reasons, the actual range sampling frequency (RSF) of
the system may deviate from the ideal value for the microwave photonic synthetic aperture …

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 …

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 …

An ultra-high-resolution microwave photonic-based SAR image method based on space-variant motion error analysis

C Xiaoxiang, X Mengdao - 雷达学报, 2019 - radars.ac.cn
An ultrahigh-resolution microwave photonic-based Synthetic Aperture Radar (SAR) imaging
method based on space-variant motion error analysis is proposed to solve the influence of …

Microwave photonic SAR high-precision imaging based on optimal subaperture division

Y Hai, Z Li, J Wu, Y Li, Y Xiao, W Li, R Li… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Microwave photonic synthetic aperture radar (MWP-SAR) offers a larger signal bandwidth
than conventional SAR, and its theoretical resolution can be improved to centimeter level. To …

Nonparametric Full-Aperture Autofocus Imaging for Microwave Photonic SAR

J Chen, R Xiong, H Yu, G Xu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Microwave photonic synthetic aperture radar (SAR) is capable of realizing large scene
remote sensing observation with centimeter or even millimeter resolution, which greatly …

A processing framework for airborne microwave photonic SAR with resolution up to 0.03 m: Motion estimation and compensation

Y Deng, M Xing, GC Sun, W Liu, R Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Airborne synthetic aperture radar (SAR) with an imaging resolution of up to 0.03 m is
developed. However, the imaging process suffers from motion errors with 2-D spatial-variant …

An NCS-based WLS Estimator for Airborne Microwave Photonic SAR Autofocus

J Chen, R Xiong, N Jiang, G Xu, R Li… - IEEE Geoscience and …, 2024 - ieeexplore.ieee.org
The motion error of airborne microwave photonic synthetic aperture radar (SAR) has 2-D
spatial variation characteristics, and the range spatial variant motion error (RVE) and …

A motion error estimation method joint envelope and phase for 10 GHz ultra-wideband microwave photonic-based SAR image

X CEHN, M XING, G SUN, G JING - 电子与信息学报, 2019 - jeit.ac.cn
Due to the 2-D vacancies with serious motion errors when processing 10 GHz ultra-
wideband microwave photonic-based SAR, current motion error estimation methods directly …

A modified map-drift algorithm for SAR autofocusing

W Wang, D An, Y Luo, Z Zhou… - 2018 Asia-Pacific …, 2018 - ieeexplore.ieee.org
Trajectory deviations in airborne synthetic aperture radar (SAR) will induce phase errors and
degrade the quality of SAR images. For obtaining high resolution SAR images, motion …