Application of Normalized Radar Backscatter and Hyperspectral Data to Augment Rangeland Vegetation Fractional Classification

M Rigge, B Bunde, K Postma, S Oliver, N Mueller - Remote Sensing, 2024 - mdpi.com
Rangeland ecosystems in the western United States are vulnerable to climate change, fire,
and anthropogenic disturbances, yet classification of rangeland areas remains difficult due …

Fast and accurate refocusing for moving ships in SAR imagery based on FrFT

J Wang, X Leng, Z Sun, X Zhang, K Ji - Remote Sensing, 2023 - mdpi.com
Synthetic aperture radar (SAR) is capable of monitoring the ocean all day, regardless of
weather conditions. However, moving ships exhibit azimuth defocus in SAR images, which …

Moving target detection and parameter estimation using BeiDou GEO satellites-based passive radar with short-time integration

C Zhang, S Shi, S Yan, J Gong - IEEE Journal of Selected …, 2023 - ieeexplore.ieee.org
Owing to the global coverage and high visibility of global navigation satellite systems
(GNSS), passive radar using GNSS satellites as transmitters of opportunity has shown great …

Refocusing swing ships in SAR imagery based on spatial-variant defocusing property

J Wang, X Leng, Z Sun, X Zhang, K Ji - Remote Sensing, 2023 - mdpi.com
Synthetic aperture radar (SAR) is an essential tool for maritime surveillance in all weather
conditions and at night. Ships are often affected by sea breezes and waves, generating a …

High-Resolution Azimuth Missing Data SAR Imaging Based on Sparse Representation Autofocusing

N Jiang, H Du, S Ge, J Zhu, D Feng, J Wang, X Huang - Remote Sensing, 2023 - mdpi.com
Due to significant electromagnetic interference, radar interruptions, and other factors,
Azimuth Missing Data (AMD) may occur in Synthetic Aperture Radar (SAR) echo, resulting in …

Distributed real-time image processing of formation flying SAR based on embedded GPUs

T Yang, Q Xu, F Meng, S Zhang - IEEE Journal of Selected …, 2022 - ieeexplore.ieee.org
Formation flying synthetic aperture radar (FF-SAR) systems, as an important development
direction of multichannel SAR, can achieve high-resolution wide-swath imaging. Coherently …

Segmental aperture imaging algorithm for multirotor UAV-borne MiniSAR

Y Luomei, F Xu - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
This article takes on the challenges of synthetic aperture radar (SAR) imaging for
miniaturized SAR (MiniSAR) onboard a multirotor unmanned aerial vehicle (UAV). Several …

A high-resolution handheld millimeter-wave imaging system with phase error estimation and compensation

Y Li, D Zhang, R Geng, Z Lu, Z Wu, Y Hu… - Communications …, 2024 - nature.com
Despite the enormous potential of millimeter-wave (mmWave) imaging, the high cost of large-
scale antenna arrays or stringent prerequisites of the synthetic aperture radar (SAR) …

Vehicle trace detection in two-pass SAR coherent change detection images with spatial feature enhanced Unet and adaptive augmentation

J Zhang, M Xing, GC Sun, X Shi - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
As a typical application of remote sensing technology, change detection can find the ground
information changes by acquiring the images of the same region at different times. The …

Time-domain autofocus for ultrahigh resolution SAR based on azimuth scaling transformation

H Lin, J Chen, M Xing, X Chen, N Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For ultrahigh resolution synthetic aperture radar (SAR), azimuth spectrum aliasing limits the
application of frequency-domain autofocus algorithms. Therefore, time-domain autofocus …