[HTML][HTML] Research progress on geosynchronous synthetic aperture radar

C Hu, Z Chen, Y Li, X Dong, S Hobbs - Fundamental Research, 2021 - Elsevier
Based on its ability to obtain two-dimensional (2D) high-resolution images in all-time and all-
weather conditions, spaceborne synthetic aperture radar (SAR) has become an important …

Curvilinear flight synthetic aperture radar (CF-SAR): Principles, methods, applications, challenges and trends

Z Chen, S Tang, Y Ren, P Guo, Y Zhou, Y Huang… - Remote Sensing, 2022 - mdpi.com
The research into curvilinear flight synthetic aperture radar (CF-SAR) is the inevitable result
of the comprehensive practicality of SAR. The flight path of the SAR platform in real …

A two-step nonlinear chirp scaling method for multichannel GEO spaceborne–airborne bistatic SAR spectrum reconstructing and focusing

H An, J Wu, Z Sun, J Yang - IEEE Transactions on Geoscience …, 2019 - ieeexplore.ieee.org
Due to the high-altitude illumination and the separation of the receiver and transmitter,
geosynchronous (GEO) spaceborne-airborne bistatic synthetic aperture radar (BiSAR) is …

Processing of bistatic SAR data with nonlinear trajectory using a controlled-SVD algorithm

Y Xiong, B Liang, H Yu, J Chen, Y Jin… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
The nonlinear trajectory and bistatic characteristics of general bistatic synthetic aperture
radar (SAR) can cause severe two-dimensional space-variance in the echo signal, and …

High resolution radar real-time signal and information processing

T Long, T Zeng, C Hu, X Dong, L Chen… - China …, 2019 - ieeexplore.ieee.org
Radar is an electronic device that uses radio waves to determine the range, angle, or
velocity of objects. Real-time signal and information processor is an important module for …

A fast Cartesian back-projection algorithm based on ground surface grid for GEO SAR focusing

Q Chen, W Liu, GC Sun, X Chen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Geosynchronous-Earth-orbit (GEO) synthetic aperture radar (SAR) provides excellent
continuous observing capability and large swath. However, the extremely long synthetic …

Geosynchronous spaceborne–airborne bistatic SAR data focusing using a novel range model based on one-stationary equivalence

Z Sun, J Wu, Z Li, H An, X He - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Geosynchronous spaceborne-airborne bistatic synthetic aperture radar (GEO-SA-BiSAR)
can achieve high-resolution Earth observation with superior system flexibility and efficiency …

A novel frequency-domain focusing method for geosynchronous low-earth-orbit bistatic SAR in sliding-spotlight mode

Z Sun, T Chen, H Sun, J Wu, Z Lu, Z Li, H An, J Yang - Remote Sensing, 2022 - mdpi.com
The low-earth-orbit synthetic aperture radar (SAR) can achieve enhanced remote-sensing
capabilities by exploiting the large-scale and long-duration beam coverage of a …

Spaceborne high-squint high-resolution SAR imaging based on two-dimensional spatial-variant range cell migration correction

Z Ding, P Zheng, H Li, T Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
High-squint imaging is an effective means to enhance the flexibility and coverage ability of
spaceborne synthetic aperture radar (SAR). Although existing imaging algorithms based on …

Multistatic geosynchronous SAR resolution analysis and grating lobe suppression based on array spatial ambiguity function

C Hu, Z Chen, X Dong, C Cui - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Multistatic geosynchronous synthetic aperture radar (GEO SAR) utilizes multiple satellites'
transmitted and received signals simultaneously to generate multiple phase centers (PCs) …