Review of fast back projection algorithms in synthetic aperture radar

X Mengdao, MA Penghui, LOU Yishan, SUN Guangcai… - 雷达学报, 2024 - radars.ac.cn
Abstract The Back Projection (BP) algorithm is an important direction in the development of
synthetic aperture radar imaging algorithms. However, the large computational load of the …

MS-Faster R-CNN: Multi-stream backbone for improved Faster R-CNN object detection and aerial tracking from UAV images

D Avola, L Cinque, A Diko, A Fagioli, GL Foresti… - Remote Sensing, 2021 - mdpi.com
Tracking objects across multiple video frames is a challenging task due to several difficult
issues such as occlusions, background clutter, lighting as well as object and camera view …

[HTML][HTML] 弹载雷达成像技术发展现状与趋势

李亚超, 王家东, 张廷豪, 宋炫 - 雷达学报, 2022 - radars.ac.cn
弹载合成孔径雷达(SAR) 可对观测区域进行二维高分辨率成像, 获得丰富的地貌特征以及目标的
尺寸, 形状特征, 进而选择打击点并提高打击精度和效率. 与传统的机载/星载SAR 成像体制相比 …

Low-cost, high-resolution, drone-borne SAR imaging

A Bekar, M Antoniou, CJ Baker - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article develops and examines methods for the production of real-world, very high-
resolution imagery using a high-frequency drone-borne synthetic aperture radar (SAR) …

Waveform design for watermark framework based DFRC system with application on joint SAR imaging and communication

J Yang, Y Tan, X Yu, G Cui… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, the watermarking framework for electromagnetic systems is established with
nonblind, semiblind, and blind watermarking demodulation processes mitigated to …

3-D object imaging method with electromagnetic vortex

J Wang, K Liu, H Liu, K Cao, Y Cheng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The electromagnetic (EM) vortex imaging has demonstrated superior performance in target
detection and imaging with azimuthal super-resolution. However, the restricted elevation …

Ground Cartesian back-projection algorithm for high squint diving TOPS SAR imaging

X Chen, GC Sun, M Xing, B Li, J Yang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a fast back-projection (BP) algorithm based on subaperture (SA) image
coherent combination in a downsampled Cartesian coordinate grid for high squint diving …

An autofocus approach for UAV-based ultrawideband ultrawidebeam SAR data with frequency-dependent and 2-D space-variant motion errors

Z Ding, L Li, Y Wang, T Zhang, W Gao… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
Unmanned-aerial-vehicle-based (UAV-based) ultrawideband and ultrawidebeam (UWB)
synthetic aperture radar (SAR) is very sensitive to atmospheric turbulence and suffers from …

A novel CFFBP algorithm with noninterpolation image merging for bistatic forward-looking SAR focusing

Y Li, G Xu, S Zhou, M Xing… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Fast factorized back-projection (FFBP) has significant advantages for bistatic forward-
looking synthetic aperture radar (BFSAR) imaging with arbitrary geometry and complex …

Cooperative multitask learning for sparsity-driven SAR imagery and nonsystematic error autocalibration

L Yang, P Li, S Zhang, L Zhao, S Zhou… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Conventional sparsity-driven synthetic aperture radar (SAR) imagery often encounters the
sensitivity of nonsystematic errors and highly computational load. In this article, a …