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
To tackle the problems of Doppler spectrum, aliasing caused by azimuth beam scanning
and azimuthal serious non-uniform sampling in squint sliding spotlight synthetic aperture …
and azimuthal serious non-uniform sampling in squint sliding spotlight synthetic aperture …
[HTML][HTML] A Modified Frequency Nonlinear Chirp Scaling Algorithm for High-Speed High-Squint Synthetic Aperture Radar with Curved Trajectory
K Deng, Y Huang, Z Chen, D Fu, W Li, X Tian, W Hong - Remote Sensing, 2024 - mdpi.com
The imaging of high-speed high-squint synthetic aperture radar (HSHS-SAR), which is
mounted on maneuvering platforms with curved trajectory, is a challenging task due to the …
mounted on maneuvering platforms with curved trajectory, is a challenging task due to the …
Multi-Channel Back Projection (MC-BP) Algorithm and Its Accelerated Form for HRWS SAR
Spaceborne multichannel (MC) synthetic aperture radar (SAR) can achieve high-resolution
and wide-swath (HRWS) imaging. However, for an MC SAR system that does not satisfy the …
and wide-swath (HRWS) imaging. However, for an MC SAR system that does not satisfy the …
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
High-resolution and high-squint spaceborne spotlight synthetic aperture radar (SAR) has
significant potential for extensive application in remote sensing, but its swath width …
significant potential for extensive application in remote sensing, but its swath width …
Imaging Algorithm for Sliding Spotlight SAR Operating in the Ascending and Descending Periods of Highly Elliptical Orbits
Y Guo, M Ren, H Zhang, Y Liu… - IEEE Journal of Selected …, 2024 - ieeexplore.ieee.org
This study pioneers the investigation of Synthetic aperture radar (SAR) imaging algorithm
during the ascending and descending periods of highly elliptical orbit (HEO). SAR operating …
during the ascending and descending periods of highly elliptical orbit (HEO). SAR operating …
Comparative Study of Sentinel-1-Focused and Simulated SAR Images Using LiDAR Point Cloud Modeling for Coastal Areas
H Jia, P Yang, R Wu - Electronics, 2023 - mdpi.com
Aiming at SAR imaging for large coastal scenes, a comprehensive comparative study is
performed based on Sentinel-1 raw data, SAR imaging simulation, and Google Maps. A …
performed based on Sentinel-1 raw data, SAR imaging simulation, and Google Maps. A …
-种适用于星载大斜视聚束SAR 的改进距离徙动算法.
邓钱钰， 王纪平， 郭淑婷， 杨果… - Journal of Signal …, 2024 - search.ebscohost.com
星载大斜视聚束合成孔径雷达(Synthetic Aperture Radar, SAR) 探测范围大, 目标驻留时间长,
有广泛的应用前景, 但会带来较大的距离徙动, 使得回波信号耦合严重. 传统算法使用固定窗接收 …
有广泛的应用前景, 但会带来较大的距离徙动, 使得回波信号耦合严重. 传统算法使用固定窗接收 …
An extended frequency nonlinear chirp scaling algorithm for high-speed high-squint SAR with curved trajectory
K Deng, Y Huang, Z Chen, D Fu, Y Chen, W Li - 2023 - IET
The imagery of High-Speed High-Squint (HSHS) synthetic aperture radar with curved
trajectory is a challenging task due to the existence of acceleration, the azimuth-dependent …
trajectory is a challenging task due to the existence of acceleration, the azimuth-dependent …
Full aperture phase error estimation for spaceborne spotlight SAR
W Gao, L Li, P Liu - IET International Radar Conference (IRC …, 2023 - ieeexplore.ieee.org
Spaceborne spotlight SAR adjusts beam direction in real-time through electrical scanning.
Due to the fact that the virtual phase centers of the antenna with different beam directions …
Due to the fact that the virtual phase centers of the antenna with different beam directions …