Time-domain azimuth-variant MOCO algorithm for airborne SAR imaging

Z Meng, L Zhang, J Li, J Lu, Y Li - IEEE Geoscience and …, 2022 - ieeexplore.ieee.org
Current subaperture-based azimuth-variant motion compensation (MOCO) algorithms for
synthetic aperture radar (SAR) imagery usually suffer from the challenge of keeping high …

Improved Parametric Polar Format Algorithm for High-Squint and Wide-Beam SAR Imaging

Z Meng, L Zhang, G Wang, J Lu - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
High-squint and wide-beam synthetic aperture radar (SAR) imaging is challenging for
current popular SAR imaging algorithms, because the severe spatial-variant motion error …

Coherent range-dependent map-drift algorithm for improving SAR motion compensation

M Zhang, G Wang, F Wei, X Jin - Journal of Systems …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) is usually sensitive to trajectory deviations that cause serious
motion error in the recorded data. In this paper, a coherent range-dependent map-drift …

Anti aliasing algorithm based on sub aperture stitching

D Li - … Conference on Algorithm, Imaging Processing, and …, 2024 - spiedigitallibrary.org
High resolution synthetic aperture radar system will produce aliasing problem in the sliding
spotlight mode, we propose a solution based on sub-apertures splice to solving the …

Research on the Imaging Method of Long-Distance High-Speed Targets in the Earth-Moon Space

R Xue, D Yu, J Li, C Zhao - 2022 IEEE 22nd International …, 2022 - ieeexplore.ieee.org
Accurate monitoring and imaging of long-distance and high-speed moving targets by space
platform is a long-term technical difficulty. In this paper, we analyzed and summarized …

Research of key technology of high resolution SAR imaging algorithm

D Li - Fourth International Conference on Computer Science …, 2023 - spiedigitallibrary.org
In the paper, high-resolution Synthetic Aperture Radar (SAR) imaging system is studied and
its indicators are analyzed. To achieve high resolution, the system has a large transmission …

Error analysis based on the technology of multiple sub-band signal splicing in range direction

D Li, B Li, X Sun, D Han, R Liu… - … Conference on Electrical …, 2024 - spiedigitallibrary.org
Larger transmitting bandwidth is needed to get range direction high-resolution imaging in
Synthetic Aperture Radar (SAR) system. Though, large bandwidth signal faces many …