A Novel Two-Dimensional Autofocusing Algorithm for Real Airborne Stripmap Terahertz Synthetic Aperture Radar Imaging

Y Li, J Wu, Q Mao, H Xiao, F Meng… - IEEE Geoscience and …, 2023 - ieeexplore.ieee.org
In practical applications, airborne terahertz synthetic aperture radar (THz-SAR) echo signal
is not only affected by range amplitude and phase errors introduced by nonideal THz device …

Virtual source extended range points migration method for auto-focusing 3-D terahertz imaging

T Matsui, S Kidera - IEEE Geoscience and Remote Sensing …, 2020 - ieeexplore.ieee.org
This letter presents an auto-focusing imaging algorithm for terahertz (THz) band imaging by
extending the range point migration (RPM) method using a dielectric lens model. The …

An efficient algorithm based on frequency scaling for THz stepped-frequency SAR imaging

C Wang, Q Zhang, J Hu, S Shi, C Li… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
An efficient algorithm based on the frequency scaling algorithm (FSA) for terahertz (THz)
stepped-frequency (SF) synthetic aperture radar (SAR) imaging is proposed in this article …

An efficient algorithm based on CSA for THz stepped-frequency SAR imaging

C Wang, Q Zhang, J Hu, C Li, S Shi… - IEEE Geoscience and …, 2020 - ieeexplore.ieee.org
An efficient algorithm based on chirp scaling algorithm (CSA) for terahertz (THz) stepped-
frequency (SF) synthetic aperture radar (SAR) imaging is proposed in this letter. We call this …

A Novel Multistage Back Projection Fast Imaging Algorithm for Terahertz Video Synthetic Aperture Radar

Q Zheng, S Shang, Y Li, Y Zhu - Remote Sensing, 2023 - mdpi.com
Terahertz video synthetic aperture radar (THz-ViSAR) has tremendous research and
application value due to its high resolution and high frame rate imaging benefits. However, it …

Study of phase error reconstruction and motion compensation for terahertz SAR with sparsity-promoting parameter estimation

S Shi, C Li, J Hu, X Zhang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this article, a full aperture phase error reconstruction method upon the single range bin
data is proposed based on the sparsity-promoting parameter estimation, for the effective …

Bistatic synthetic aperture radar with undersampling for terahertz 2-D near-field imaging

L Ding, Y Ye, G Ye, X Wang… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
To avoid the difficult transceiver-isolation problem of a monostatic synthetic aperture radar
(SAR) for terahertz (THz) near-field azimuth-range imaging, a compact bistatic SAR …

Vibration compensation of airborne terahertz SAR based on along track interferometry

J Sun, Z Hao, Q Li, D Li - IEEE Geoscience and Remote …, 2021 - ieeexplore.ieee.org
In airborne terahertz synthetic aperture radar (THz-SAR), the phase error caused by high-
frequency vibration of the platform can result in not only defocusing, but also the emergence …

Motion compensation imaging algorithm of terahertz synthetic aperture radar

Q ZHANG, Z JIANG, C LI, S WU, G FANG - 电子与信息学报, 2017 - jeit.ac.cn
Theoretical analysis and engineering experience of SAR imaging shows that radar platforms
motion error will affect the quality of the image if its amplitude is greater than sub …

Experimental research on interferometric inverse synthetic aperture radar imaging with multi-channel terahertz radar system

Y Zhang, Q Yang, B Deng, Y Qin, H Wang - Sensors, 2019 - mdpi.com
The all solid-state terahertz (THz) radar has obvious miniaturized integration and high
resolution imaging advantages compared with conventional microwave radar. In this paper …