Sparse synthetic aperture radar imaging from compressed sensing and machine learning: Theories, applications, and trends

G Xu, B Zhang, H Yu, J Chen, M Xing… - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) image formation can be treated as a class of ill-posed linear
inverse problems, and the resolution is limited by the data bandwidth for traditional imaging …

Deep SAR imaging and motion compensation

W Pu - IEEE Transactions on Image Processing, 2021 - ieeexplore.ieee.org
Compressive sensing (CS) and matrix sensing (MS) techniques have been applied to the
synthetic aperture radar (SAR) imaging problem to reduce the sampling amount of SAR …

SAE-Net: A deep neural network for SAR autofocus

W Pu - IEEE Transactions on Geoscience and Remote …, 2022 - ieeexplore.ieee.org
The sparsity-driven technique is a widely used tool to solve the synthetic aperture radar
(SAR) imaging problem. However, it always encounters sensitivity to motion errors. To solve …

High-resolution ISAR imaging and motion compensation with 2-D joint sparse reconstruction

S Shao, L Zhang, H Liu - IEEE Transactions on Geoscience and …, 2020 - ieeexplore.ieee.org
With regard to the multifunction radar transmitting sparse stepped-frequency-modulation
(SSFM) signal for inverse synthetic aperture radar (ISAR) imaging, the received echo signal …

Measurement matrix optimization based on target prior information for radar imaging

Y Chen, S Wang, Y Luo, H Liu - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
Radar target imaging can provide important information for target monitoring and
recognition. In order to reduce the data amount and save radar resources, the target imaging …

A 2-D space-variant motion estimation and compensation method for ultrahigh-resolution airborne stepped-frequency SAR with long integration time

J Chen, M Xing, GC Sun, Z Li - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
For the ultrahigh-resolution airborne stepped-frequency synthetic aperture radar, very large
synthetic bandwidth and very long integration time may lead to a 2-D space-variant (SV) …

Joint sparsity-based imaging and motion error estimation for BFSAR

W Pu, J Wu, X Wang, Y Huang, Y Zha… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Due to its flexibility and low cost, the bistatic forward-looking synthetic aperture radar
(BFSAR) which employs side-looking transmitter and forward-looking receiver has been …

SAR imaging based on deep unfolded network with approximated observation

L Kang, T Sun, Y Luo, J Ni… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Compressed sensing (CS)-based synthetic aperture radar (SAR) imaging methods are
showing superior potential in imaging performance over classical matched filtering-based …

RPCA-AENet: Clutter suppression and simultaneous stationary scene and moving targets imaging in the presence of motion errors

W Pu, Y Bao - IEEE Transactions on Neural Networks and …, 2022 - ieeexplore.ieee.org
Clutter suppression and ground moving target imaging in synthetic aperture radar (SAR)
system have been receiving increasing attention for both civilian and military applications …

Two-step accuracy improvement of motion compensation for airborne SAR with ultrahigh resolution and wide swath

J Chen, B Liang, DG Yang, DJ Zhao… - … on Geoscience and …, 2019 - ieeexplore.ieee.org
The motion compensation (MOCO) for the airborne SAR with ultrahigh resolution and wide
swath is required to consider the range-dependent (RD) phase error. The RD phase error …