Curvilinear flight synthetic aperture radar (CF-SAR): Principles, methods, applications, challenges and trends

Z Chen, S Tang, Y Ren, P Guo, Y Zhou, Y Huang… - Remote Sensing, 2022 - mdpi.com
The research into curvilinear flight synthetic aperture radar (CF-SAR) is the inevitable result
of the comprehensive practicality of SAR. The flight path of the SAR platform in real …

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 …

Transionospheric Synthetic Aperture Radar Observation: A comprehensive review

Y Ji, Z Dong, Y Zhang, C Wang… - IEEE Geoscience and …, 2024 - ieeexplore.ieee.org
The ionosphere is the Earth's upper atmosphere with sufficiently charged particles that
influence the electromagnetic wave propagation, thereby impeding spaceborne synthetic …

A modified range model and extended omega-K algorithm for high-speed-high-squint SAR with curved trajectory

T Zhang, Y Li, J Wang, M Xing, L Guo… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
An accurate range model with acceleration, the coupling phase terms, and spatial-variant
(SV) Doppler parameters are the main issues to be solved in high-speed-high-squint …

Wide-beam SAR autofocus based on blind resampling

J Chen, H Yu - Science China Information Sciences, 2023 - Springer
Long synthetic aperture time and large instantaneous beam can turn airborne synthetic
aperture radar (SAR) autofocus into a wide-beam autofocus problem; ie, the motion error is …

AFSar: An anchor-free SAR target detection algorithm based on multiscale enhancement representation learning

H Wan, J Chen, Z Huang, RF Xia… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
Unlike optical images, synthetic aperture radar (SAR) images have unique characteristics,
such as few samples, strong scattering, sparseness, multiple scales, complex interference …

A fast and lightweight detection network for multi-scale SAR ship detection under complex backgrounds

J Yu, G Zhou, S Zhou, M Qin - Remote Sensing, 2021 - mdpi.com
It is very difficult to detect multi-scale synthetic aperture radar (SAR) ships, especially under
complex backgrounds. Traditional constant false alarm rate methods are cumbersome in …

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 …

Efficient ADMM framework based on functional measurement model for mmW 3-D SAR imaging

M Wang, S Wei, Z Zhou, J Shi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Compressed sensing (CS) shows significant potential in the field of active millimeter-wave
(mmW) synthetic aperture radar (SAR) imaging due to the merits of reducing system …

Blind NCS-based autofocus for airborne wide-beam SAR imaging

J Chen, J Zhang, H Yu, G Xu, B Liang… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
The improvement in azimuth resolution and/or the increase in the instantaneous beam width
can result in a wide-beam autofocus problem in airborne synthetic aperture radar (SAR) …