Range-dependent map-drift algorithm for focusing UAV SAR imagery

L Zhang, M Hu, G Wang, H Wang - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) systems mounted on unmanned aerial vehicles (UAVs) are
usually sensitive to trajectory deviations that cause serious motion error in the recorded …

An improved map-drift algorithm for unmanned aerial vehicle SAR imaging

Y Huang, F Liu, Z Chen, J Li… - IEEE Geoscience and …, 2020 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) is usually sensitive to
trajectory deviations that cause severe motion error in the recorded data. Because of the …

A robust motion compensation approach for UAV SAR imagery

L Zhang, Z Qiao, M Xing, L Yang… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) is an essential tool for
modern remote sensing applications. Owing to its size and weight constraints, UAV is very …

An improved spatially variant MOCO approach based on an MDA for high-Resolution UAV SAR imaging with large measurement errors

Y Ren, S Tang, Q Dong, G Sun, P Guo, C Jiang, J Han… - Remote Sensing, 2022 - mdpi.com
For unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) imaging, motion errors
cannot be obtained accurately when high precision motion sensors are not equipped on the …

Robust two-dimensional spatial-variant map-drift algorithm for UAV SAR autofocusing

G Wang, M Zhang, Y Huang, L Zhang, F Wang - Remote Sensing, 2019 - mdpi.com
Autofocus has attracted wide attention for unmanned aerial vehicle (UAV) synthetic aperture
radar (SAR) systems, because autofocus process is crucial and difficult when the phase …

A compensation method for airborne SAR with varying accelerated motion error

T Yi, Z He, F He, Z Dong, M Wu, Y Song - Remote Sensing, 2018 - mdpi.com
Motion error is one of the most serious problems in airborne synthetic aperture radar (SAR)
data processing. For a smoothly distributing backscatter scene or a seriously speed-varying …

An improved motion compensation method for high resolution UAV SAR imaging

BK Fan, ZG Ding, WB Gao… - Science China. Information …, 2014 - search.proquest.com
The polynomial and sinusoidal motion errors always exist in the unmanned aero vehicle
(UAV) SAR due to the small size and low velocity of the platform, causing serious spectrum …

A robust motion error estimation method based on raw data

Y Li, C Liu, Y Wang, Q Wang - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
High-resolution airborne synthetic aperture radar (SAR) systems are very sensible to
deviations of the aircraft from the reference track. In high-resolution imagery, the …

Motion compensation for UAV SAR based on raw radar data

M Xing, X Jiang, R Wu, F Zhou… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) synthetic aperture radar (SAR) is very important for
battlefield awareness. For SAR systems mounted on a UAV, the motion errors can be …

A novel autofocus framework for UAV SAR imagery: Motion error extraction from symmetric triangular FMCW differential signal

W Xu, B Wang, M Xiang, C Song… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) installed on unmanned aerial vehicles (UAVs) has drawn
increasing attention in the area of remote sensing due to its high spatial resolution and low …