Noise-robust ISAR translational motion compensation via HLPT-GSCFT

F Liu, D Huang, X Guo, C Feng - Remote Sensing, 2022 - mdpi.com
Translational motion compensation is a prerequisite of inverse synthetic aperture radar
(ISAR) imaging. Translational motion compensation for datasets with low signal-to-noise …

Micro-Doppler Curves Extraction of Space Target Based on Modified Synchro-Reassigning Transform and Ridge Segment Linking

D Yang, X Wang, J Li, Z Peng - Remote Sensing, 2022 - mdpi.com
The micro-movement feature is recognized as one of the practical features of space target
recognition in academic circles. The separation of the micro-Doppler curve of the scattering …

Nonlinear trajectory synthetic aperture radar imaging and autofocus algorithm based on sub-image nonlinear chirp scaling

C Jianlai, X Yi, XU Gang, Z Junchao, Y Degui, L Buge - 雷达学报, 2022 - radars.ac.cn
The radar echo signal may experience substantial two-dimensional spatial variance due to
the nonlinear Synthetic Aperture Radar (SAR) trajectory. The traditional frequency-domain …

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 …

A Robust Track Estimation Method for Airborne SAR Based on Weak Navigation Information and Additional Envelope Errors

M Gao, X Qiu, Y Cheng, M Chen, C Ding - Remote Sensing, 2024 - mdpi.com
As miniaturization technology has progressed, Synthetic Aperture Radar (SAR) can now be
mounted on Unmanned Aerial Vehicles (UAVs) to carry out observational tasks. Influenced …

Ground moving target imaging for highly squint SAR by modified minimum entropy algorithm and spectrum rotation

S Xiong, J Ni, Q Zhang, Y Luo, L Yu - Remote Sensing, 2021 - mdpi.com
Ground moving target (GMT) is displaced and defocused in conventional synthetic aperture
radar (SAR) image due to the residual phase error of non-cooperative GMT motion. In this …

[PDF][PDF] 基于多层子带匹配滤波的抗间歇采样转发干扰目标检测算法

李超, 周凯, 肖本龙, 杨茂松 - 电子与信息学报, 2023 - jeit.ac.cn
间歇采样转发干扰(ISRJ) 是一种基于欠采样原理的新型雷达干扰技术, 此类干扰信号能够在雷达
1 维距离像(HRRP) 上形成密集假目标, 给目标检测带来一定挑战. 针对雷达在间歇采样转发干扰 …

Motion error parameter estimation based on vortex echo data

X Tang, C Li, Y Du, L Qin, B Li - Remote Sensing Letters, 2023 - Taylor & Francis
The carrier platform in synthetic aperture radar (SAR) imaging may deviate from the correct
trajectory due to end currents in the atmosphere, causing motion errors and ultimately …

Bistatic SAR Spatial-variant Motion Error Compensation Method via Joint-refocusing of Multi-subimages

Y Jiang, K Du, Q Yang, Z Li, J Wu… - 2023 6th International …, 2023 - ieeexplore.ieee.org
Bistatic synthetic aperture radar (BiSAR) has been widely used in many fields because of its
good concealment and strong anti-jamming ability. Due to the influence of atmospheric …

Sub-Aperture Motion-Adaptive Reconstruction Techniques for Digital Beamforming Airborne SAR

JPN Castillo, R Scheiber, M Jäger… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The use of airborne synthetic aperture radar (SAR) to demonstrate high-resolution wide
swath (HRWS) operational modes in spaceborne SAR missions has supported the …