[HTML][HTML] Forthcoming spaceborne SAR development

D Yunkai, YU Weidong, Z Heng, W Wei, LIU Dacheng… - 雷达学报, 2020 - radars.ac.cn
Abstract Spaceborne Synthetic Aperture Radar (SAR), which can be mounted on space
vehicles to collect information of the entire planet with all-day and all-weather imaging …

[HTML][HTML] 未来星载SAR 技术发展趋势

邓云凯, 禹卫东, 张衡, 王伟, 刘大成, 王宇 - 雷达学报, 2020 - radars.ac.cn
星载合成孔径雷达(SAR) 以卫星等空间飞行器为运动平台, 具有全天时, 全天候, 全球观测能力,
已成为一种不可或缺的对地观测手段. 当前, 我国星载SAR 已实现分辨率从米级到亚米级 …

Image reconstruction for low-oversampled staggered SAR via HDM-FISTA

Z Liu, X Liao, J Wu - IEEE Transactions on Geoscience and …, 2021 - ieeexplore.ieee.org
Due to the unequispaced pulse repetition interval (PRI), the low-oversampling ratio and the
range-variant blockage, the echo of the low-oversampled staggered SAR (LS-SAR) is …

Analysis of low-oversampled staggered SAR data

M Pinheiro, P Prats-Iraola… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
The combination of SCan-On-REceive with continuous variation of the pulse repetition
interval during transmission (staggered operation) is a viable option for the acquisition of …

A Sparse SAR Imaging Method for Low-Oversampled Staggered Mode via Compound Regularization

M Liu, J Pan, J Zhu, Z Chen, B Zhang, Y Wu - Remote Sensing, 2024 - mdpi.com
High-resolution wide-swath (HRWS) imaging is the research focus of the modern
spaceborne synthetic-aperture radar (SAR) imaging field, with significant relevance and vast …

Estimation of PRI stagger in case of missing observations

JW Tao, CZ Yang, CW Xu - IEEE Transactions on Geoscience …, 2020 - ieeexplore.ieee.org
For a moving target indicating (MTI) radar system to eliminate “blind speeds” or synthetic
aperture radar (SAR) to eliminate “blind ranges,” two or more pulse repetition intervals …

A real-time imaging algorithm based on sub-aperture CS-dechirp for GF3-SAR data

GC Sun, Y Liu, M Xing, S Wang, L Guo, J Yang - Sensors, 2018 - mdpi.com
Conventional synthetic aperture radar (SAR) imaging algorithms usually require a period of
time to process data that is longer than the time it takes to record one synthetic aperture or …

Focusing of wide-swath range sweep SAR with extended wide nonlinear chirp scaling algorithm

K Lv, M Liu, G Li - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
Multichannel, Digital beamforming (DBF)-based high-resolution wide-swath synthetic
aperture radar (HRWS-SAR) is dedicated to acquiring large observation width and high …

Linear Bayesian approaches for low-oversampled stepwise staggered SAR data

ZX Zhou, Y Deng, W Wang, X Jia… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Staggered synthetic aperture radar (SAR) is an innovative concept to obtain an ultrawide
continuous swath with fine azimuth resolution using multiple elevation beams and pulse …

Processing and performance analysis of NASA-ISRO SAR (NISAR) staggered data

M Pinheiro, P Prats, M Villano… - IGARSS 2019-2019 …, 2019 - ieeexplore.ieee.org
The NASA-ISRO SAR (NISAR) mission will map the Earth's surface every 12 days using a
reflector-feed system with scan-on-receive (SweepSAR) capability. An alternative for …