A modified spaceborne high-squint SAR imaging algorithm based on azimuth nonlinear chirp scaling

P Zheng, Y Liang, Z Ding, Y Wang… - IET International Radar …, 2020 - ieeexplore.ieee.org
To process the spaceborne high-squint SAR data, the linear range cell migration correction
(LRCMC) is conducted firstly. Although the target linear range cell migration (LRCM) is …

Spaceborne high-squint high-resolution SAR imaging based on two-dimensional spatial-variant range cell migration correction

Z Ding, P Zheng, H Li, T Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
High-squint imaging is an effective means to enhance the flexibility and coverage ability of
spaceborne synthetic aperture radar (SAR). Although existing imaging algorithms based on …

Azimuth nonlinear chirp scaling integrated with range chirp scaling algorithm for highly squinted SAR imaging

Q Zhai, W Wang, J Hu, J Zhang - Progress In Electromagnetics Research, 2013 - jpier.org
The difficulty of focusing high-resolution highly squinted SAR data comes from the serious
azimuth-range coupling, which needs to be compensated in the procedure of imaging …

High‐Resolution Squinted SAR Imaging Algorithm Applied in the Near‐Field Environment

S Wang, S Wang, W Liu - Complexity, 2020 - Wiley Online Library
In the squinted synthetic aperture radar (SAR) imaging of the near‐field environment, range‐
dependent characteristic of squint angle cannot be ignored, which causes azimuth …

An approach for high squint space-borne SAR imaging based on generalized scale transform

H Huang, P Huang, S Li, Z Yin, X Liu, W Gong - 2021 - IET
Space-borne synthetic aperture radar (SAR) is widely used in the military reconnaissance,
environment monitoring, marine observation, and natural disaster observation fields in …

An Imaging Algorithm for Spaceborne High-Squint L-Band SAR Based on Time-Domain Rotation

L Sun, Z Yu, C Li, W Liu, S Wang… - IEEE Journal of Selected …, 2019 - ieeexplore.ieee.org
For spaceborne high-squint L-band synthetic aperture radar (SAR), the long wavelength and
high-squint angle result in strong coupling between the range and azimuth directions. In …

A modified range Doppler algorithm for high-squint SAR data imaging

Y Guo, P Wang, Z Men, J Chen, X Zhou, T He, L Cui - Remote Sensing, 2023 - mdpi.com
The high-squint airborne Synthetic Aperture Radar (SAR) has the ability to detect the target
area flexibly, and the detection swath is significantly increased compared with the side …

A doppler resampling based imaging algorithm for high squint SAR with constant acceleration

N LI, B BIE, M XING, G SUN - 电子与信息学报, 2019 - jeit.ac.cn
Abstract A modified SPECtral ANalysis (SPECAN) algorithm based on Doppler resampling
is proposed to deal with the azimuth Space-Variant (SV) phase coefficients of the High …

Wide nonlinear chirp scaling algorithm for spaceborne stripmap range sweep SAR imaging

Y Wang, JW Li, J Yang - IEEE Transactions on Geoscience and …, 2017 - ieeexplore.ieee.org
The spaceborne stripmap range sweep synthetic aperture radar (SS-RSSAR) is a new
concept spaceborne SAR system that images the region of interest (ROI) with ROI-orientated …

[HTML][HTML] Advanced high-order nonlinear chirp scaling algorithm for high-resolution wide-swath spaceborne SAR

MEN Zhirong, W Pengbo, C Jie, LI Chunsheng… - Chinese Journal of …, 2021 - Elsevier
Abstract Spaceborne Synthetic Aperture Radar (SAR) is a well-established and powerful
imaging technology that can provide high-resolution images of the Earth's surface on a …