PFDIR–A wideband photonic-assisted SAR system

R Li, W Li, Y Dong, Z Wen, H Zhang… - … on Aerospace and …, 2023 - ieeexplore.ieee.org
The next generation of synthetic aperture radar (SAR) systems will need transmit and
receive analog signals over a wide frequency range with large bandwidth to fulfil the …

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 …

Field experiment of photonic radar for low-RCS target detection and high-resolution image acquisition

Y Bae, J Shin, SG Lee, H Kim - IEEE Access, 2021 - ieeexplore.ieee.org
A photonic radar has recently received considerable interest as a next-generation radar due
to its capability to generate wideband signals beyond the technical limitations of the …

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 …

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 …

Microwave photonic radar lost bandwidth spectrum recovery algorithm based on improved TSPN-ADMM-Net

Y Hai, J Wu, Y Ma, W Pu, Z Li, R Wang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Compared with conventional microwave regime radars, microwave photonic (MWP) radar is
capable of transmitting extremely large bandwidth signals, wherein the frequencies of such …

[HTML][HTML] 微波光子SAR 最优子带融合的全分辨伪彩图生成方法

海宇, 刘玲, 李中余, 蒲巍, 王晓婷, 武俊杰, 李王哲… - 雷达学报, 2024 - radars.ac.cn
微波光子(MWP) 雷达是一种通过光子器件对传统微波雷达硬件架构进行改进的新型雷达系统.
借助光子器件卓越的物理特性, MWP 雷达能够发射超宽带, 高线性度的高质量线性调频信号 …

Two-Dimensional Autofocus for Ultra-High-Resolution Squint Spotlight Airborne SAR Based on Improved Spectrum Modification

M Chen, X Qiu, Y Cheng, M Shang, R Li, W Li - Remote Sensing, 2024 - mdpi.com
For ultra-high-resolution (UHR) squint spotlight airborne synthetic aperture radar (SAR), the
severe range-azimuth coupling caused by squint mode and the spatial and frequency …

Optimal Sub-band Selection Algorithm for Pseudo-color Image Synthesis in Microwave Photonic SAR

HAI Yu, LIU Ling, LI Zhongyu, PU Wei, W Xiaoting… - 雷达学报, 2024 - radars.ac.cn
Microwave Photonic (MWP) radars have remarkably improved traditional microwave radar
hardware architectures using photonics devices. With the exceptional physical properties of …

A Systematical Error Compensation Method for an Ultra-Wideband Microwave Photonic SAR System

M Chen, R Li, X Qiu, Y Cheng - IGARSS 2024-2024 IEEE …, 2024 - ieeexplore.ieee.org
The combination of microwave photonic (MWP) technology and synthetic aperture radar
(SAR) can realize ultra-wideband transmitted signals and thus provides ultra-high …