Strip layering diagram-based optimum continuously varying pulse interval sequence design for extremely high-resolution spaceborne sliding spotlight SAR

Y Wang, Z Ding, P Xu, K Chen, T Zeng… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Applying a continuous varying pulse interval (CVPI) sequence is of significance for an
extremely high-resolution (EHR) spaceborne sliding spotlight synthetic aperture radar (SAR) …

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 …

Experimental demonstration of staggered ambiguous SAR mode for ship monitoring with TerraSAR-X

N Ustalli, MN Peixoto, T Kraus… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Maritime surveillance using synthetic aperture radar (SAR) calls for both wide swath and
high resolution. This allows frequent monitoring of large areas with high detection probability …

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 …

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 …

Impact of ambiguity statistics on information retrieval for conventional and novel SAR modes

N Ustalli, M Villano - 2020 IEEE Radar Conference …, 2020 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) is an all-weather imaging tool with several applications in the
field of Earth observation. In recent years, novel SAR modes have been developed, where …

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 …

Digital beamforming for spaceborne reflector-based synthetic aperture radar, Part 2: Ultrawide-swath imaging mode

M Younis, FQ De Almeida, M Villano… - … and Remote Sensing …, 2022 - ieeexplore.ieee.org
Utilizing digital beamforming (DBF) techniques in conjunction with the feed array of large
deployable reflector antennas can boost the performance of synthetic aperture radar (SAR) …

Characterization of nadir echoes in multiple-elevation-beam SAR with constant and variable pulse repetition interval

M Villano, MN Peixoto - IEEE Transactions on Geoscience and …, 2021 - ieeexplore.ieee.org
Multiple-elevation-beam synthetic aperture radar (SAR) is a concept based on digital
beamforming (DBF) in elevation and simultaneous recording of the echoes of multiple …