Nasa-isro sar (nisar) mission status

PA Rosen, R Kumar - 2021 IEEE Radar Conference …, 2021 - ieeexplore.ieee.org
The National Aeronautics and Space Administration (NASA) in the United States and the
Indian Space Research Organisation (ISRO) are developing the NASA-ISRO Synthetic …

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 …

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 …

On spaceborne DBF-SAR adopting the degree of freedom with NLFM waveform: Optimization framework and simulation

S Han, Y Deng, Q Zhao, Y Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Digital beamforming (DBF) is a fundamental technique for synthetic aperture radar (SAR) to
get high-resolution wide-swath (HRWS) images, which significantly increases the signal-to …

Evaluating the robustness of NISAR's cropland product to time of observation, observing mode, and dithering

S Kraatz, P Siqueira, J Kellndorfer… - Earth and Space …, 2022 - Wiley Online Library
Cropland mapping is important for monitoring agricultural practices, cropland distribution
and for supporting food security programs. Radar remote sensing will likely provide a means …

Decorrelating ambiguities in SAR interferometry through slight PRI variation

M Villano, MN Peixoto, N Ustalli… - … on Geoscience and …, 2022 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) interferometry is a well-established technique for producing
high-resolution digital elevation models (DEMs) of the Earth's surface and measuring …

Image reconstruction for low-oversampled staggered SAR based on sparsity Bayesian learning in the presence of a nonlinear PRI variation strategy

Y Zhang, X Qi, Y Jiang, H Li… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
As an innovative concept of high-resolution and wide-swath system, the low-oversampled
staggered synthetic aperture radar (SAR) can not only deal with the blind ranges but also …

[HTML][HTML] MosReformer: Reconstruction and Separation of Multiple Moving Targets for Staggered SAR Imaging

X Qi, Y Zhang, Y Jiang, Z Liu, C Yang - Remote Sensing, 2023 - mdpi.com
Maritime moving target imaging using synthetic aperture radar (SAR) demands high
resolution and wide swath (HRWS). Using the variable pulse repetition interval (PRI) …

An Advanced Sparse Multi-Channel System for Spaceborne DBF-SAR

B Li, Q Zhao, Y Zhang, D Liang, W Wang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
An advanced sparse multichannel system is proposed for spaceborne digital beamforming
synthetic aperture radar (DBF-SAR), which can suppress pulse extension loss (PEL) and …

A Novel Echo Separation Scheme for Space-Time Waveform-Encoding SAR Based on the Second-Order Cone Programming (SOCP) Beamformer

S Han, Y Deng, W Wang, Q Zhao, J Qiu, Y Zhang… - Remote Sensing, 2022 - mdpi.com
Space-time waveform-encoding (STWE)-synthetic aperture radar (SAR) is an effective way
to accomplish high-resolution and wide-swath (HRWS) imaging. By designing the specific …