A novel imaging algorithm for focusing high-resolution spaceborne SAR data in squinted sliding-spotlight mode

J Chen, H Kuang, W Yang, W Liu… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
… range migration method for squinted TOPS SAR [12]. … As for sliding-spotlight SAR data
processing, the resampling … Section III addresses the modified CS kernel, and the azimuth spatial …

Processing of spaceborne squinted sliding spotlight and HRWS TOPS mode data using 2-D baseband azimuth scaling

F He, Z Dong, Y Zhang, G Jin… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… in the spaceborne squinted sliding spotlight and high-… of spaceborne squint synthetic
aperture radar (SAR) with the … In order to eliminate the azimuth variation, an azimuth resampling

A modified three-step algorithm for TOPS and sliding spotlight SAR data processing

W Yang, J Chen, W Liu, P Wang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
… a high azimuth resolution is obtained in the sliding spotlight … Bao, “Squinted TOPS SAR
imaging based on modified range … resampling in the polar format algorithm for spotlight SAR

System Design and Signal Processing in Spaceborne Squint Sliding Spotlight SAR with Sub-Aperture Block-Varying PRF

W Xu, Z Zhang, P Huang, W Tan, Y Qi - Electronics, 2023 - mdpi.com
… If the azimuth scanning angle of the squint sliding spotlight mode … efficiency of subsequent
azimuth signal resampling. … Squinted Sliding Spotlight and TOPS SAR. In Proceedings of the …

An improved equivalent squint range model and imaging approach for sliding spotlight SAR based on highly elliptical orbit

X Hu, P Wang, H Zeng, Y Guo - Remote Sensing, 2021 - mdpi.com
… reconstructs the range history of HEO SAR. Finally, a novel imaging algorithm combining
azimuth resampling and time-frequency domain hybrid correlation based on R4-ESRM is …

A Hybrid Chirp Scaling Algorithm for Squint Sliding Spotlight SAR Data Imaging

Y Guo, P Wang, Z Men, T He… - IEEE Geoscience and …, 2024 - ieeexplore.ieee.org
… range azimuth coupling (RAC) caused by the squint angles. … azimuth resampling approach
was used to eliminate azimuth … three-step algorithm for TOPS and sliding spotlight SAR data …

Full-aperture focusing of very high resolution spaceborne-squinted sliding spotlight SAR data

GC Sun, Y Wu, J Yang, M Xing… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
… see, this azimuth resampling step handles with the azimuth … Bao, “Sliding spotlight and TOPS
SAR data processing … ultrahigh-resolution spaceborne sliding spotlight SAR data on curved …

Azimuth full-aperture processing of spaceborne squint SAR data with block varying PRF

Z Zhang, W Xu, P Huang, W Tan, Z Gao, Y Qi - Sensors, 2022 - mdpi.com
… interval in spaceborne squint sliding-spotlight SAR, which can also greatly reduce the
non-uniformity of azimuth signal in the CV-PRF scheme [26]. … data uniform resampling capacity. …

Processing of multichannel sliding spotlight SAR data with large pulse bandwidth and azimuth steering angle

W Xu, J Hu, P Huang, W Tan… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
azimuth data in the second approach should be resampledhigh resolution
spaceborne-squinted sliding spotlight SAR … Deng, “Processing of multichannel sliding spotlight

A Novel SV-PRI Strategy and Signal Processing Approach for High-Squint Spotlight SAR

Y Hu, W Wang, X Wu, Y Deng, D Xiao - Remote Sensing, 2024 - mdpi.com
… a processing flow based on the azimuth partition to obtain … precise interpolation and
resampling algorithms to extend … Azimuth Preprocessing of Squinted Sliding Spotlight Synthetic …