High-resolution wide-swath imaging of spaceborne multichannel bistatic SAR with inclined geosynchronous illuminator

Y Wang, Y Liu, Z Li, Z Suo, C Fang… - IEEE Geoscience and …, 2017 - ieeexplore.ieee.org
Spaceborne bistatic synthetic aperture radar (SAR) system with an inclined geosynchronous
(GEO) illuminator and a low-earth-orbit (LEO) receiver is capable of providing a vast area of …

An accelerated backprojection algorithm for monostatic and bistatic SAR processing

H Zhang, J Tang, R Wang, Y Deng, W Wang, N Li - Remote Sensing, 2018 - mdpi.com
The backprojection (BP) algorithm has been applied to every SAR mode due to its great
focusing quality and adaptability. However, the BP algorithm suffers from immense …

Geosynchronous spaceborne–airborne multichannel bistatic SAR imaging using weighted fast factorized backprojection method

H An, J Wu, Z He, Z Li, J Yang - IEEE Geoscience and Remote …, 2019 - ieeexplore.ieee.org
Geosynchronous (GEO) spaceborne-airborne bistatic synthetic aperture radar (GEO-
BiSAR), where the high-altitude transmitter provides continuous illumination for the receiver …

A novel azimuth Doppler signal reconstruction approach for the GEO-LEO bi-static multi-channel HRWS SAR system

SX Zhang, S Li, Y Liu, MD Xing, J Chen - IEEE Access, 2019 - ieeexplore.ieee.org
For the geosynchronous-low earth orbit (GEO-LEO) bi-static multi-channel high-resolution
and wide-swath synthetic aperture radar (HRWS SAR) system, a novel azimuth Doppler …

Selection criteria of image reconstruction algorithms for terahertz short-range imaging applications

AR Barket, W Hu, B Wang, W Shahzad, JS Malik - Optics Express, 2022 - opg.optica.org
Terahertz (THz) imaging has been regarded as cutting-edge technology in a wide range of
applications due to its ability to penetrate through opaque materials, non-invasive nature …

Focusing high-resolution airborne SAR with topography variations using an extended BPA based on a time/frequency rotation principle

C Lin, S Tang, L Zhang, P Guo - Remote Sensing, 2018 - mdpi.com
With the increasing requirement for resolution, the negligence of topography variations
causes serious phase errors, which leads to the degradation of the focusing quality of the …

[HTML][HTML] A HRWS SAR Motion Compensation Method with Multichannel Phase Correction

L Zhou, M Deng, J He, B Wang, S Zhang, X Liu, S Wei - Remote Sensing, 2024 - mdpi.com
The multichannel synthetic aperture radar (SAR) possesses the capability to acquire high-
resolution, wide-swath SAR imagery, which has great potential for application. However …

A channel calibration method based on weighted backprojection algorithm for multichannel SAR imaging

D Liang, R Wang, Y Deng, H Fan… - … and Remote Sensing …, 2019 - ieeexplore.ieee.org
In the multichannel synthetic aperture radar (SAR) systems, unavoidable channel errors will
significantly degrade the performance of the ambiguity suppression. To address this …

An image-domain signal model for azimuth multichannel reconstruction and its applications

Y Jiang, B Sun, J Li - IEEE Transactions on Geoscience and …, 2023 - ieeexplore.ieee.org
High-resolution wide-swath (HRWS) synthetic aperture radar (SAR) may benefit from
reconstructing signals in the image domain, for taking local characteristics of the scene into …

The reconstruction performance analysis for distributed SAR systems based on weighted backprojection algorithm

D Liang, C Ma, H Zhang - EUSAR 2022; 14th European …, 2022 - ieeexplore.ieee.org
The along-track distributed SAR system can form the equivalent monostatic multichannel
SAR system, which has the ability of high resolution and wide swath coverage. Data …