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 …

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 …

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 …

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 …

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 …

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 …

Parametric azimuth-variant motion compensation for forward-looking multichannel SAR imagery

J Lu, L Zhang, Y Quan, Z Meng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Forward-looking multichannel synthetic aperture radar (FLMC-SAR) is an important tool for
modern remote sensing applications, which has the capability to reconstruct the high …

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 …

A novel motion compensation scheme for 2-D multichannel SAR systems with quaternion posture calculation

Z Chen, Z Zhang, J Qiu, Y Zhou… - … on Geoscience and …, 2020 - ieeexplore.ieee.org
The displaced phase center antennas in azimuth and digital beamforming (DBF) in elevation
are two state-of-the-art techniques for achieving high-resolution wide swath (HRWS) …

Precise focusing of airborne SAR data with wide apertures large trajectory deviations: A chirp modulated back-projection approach

D Meng, D Hu, C Ding - IEEE Transactions on Geoscience and …, 2014 - ieeexplore.ieee.org
In the area of airborne synthetic aperture radar (SAR), motion compensation (MOCO) is a
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …