A subaperture imaging algorithm to highly squinted TOPS SAR based on SPECAN and deramping
As the azimuth beam sweeps at high squint angles, the real difficulty in processing high
squinted terrain observation by progressive scans (TOPS) data is the azimuth spectrum …
squinted terrain observation by progressive scans (TOPS) data is the azimuth spectrum …
Squinted TOPS SAR imaging based on modified range migration algorithm and spectral analysis
For the squinted terrain observation by progressive scans (TOPS) imaging mode, three
problems need to be considered: azimuth spectrum aliasing, serious range-azimuth …
problems need to be considered: azimuth spectrum aliasing, serious range-azimuth …
Full aperture imaging algorithm for highly squinted TOPS SAR
Aiming at solving the azimuth signal aliasing problem in the Doppler domain, the azimuth
time aliasing problem after range cell migration correction (RCMC) and the severe range …
time aliasing problem after range cell migration correction (RCMC) and the severe range …
A subaperture imaging algorithm for squint TOPS SAR based on SPECAN technique
Abstract Squint Terrain Observation by Progressive Scans (TOPS) SAR imaging mode is
confronted with three issues: azimuth spectrum aliasing, severe range-azimuth coupling and …
confronted with three issues: azimuth spectrum aliasing, severe range-azimuth coupling and …
An azimuth frequency non-linear chirp scaling (FNCS) algorithm for TOPS SAR imaging with high squint angle
During the data acquisition of a squint terrain observation by progressive scan (TOPS)
synthetic aperture radar (SAR), the steering of the antenna main beam increases the …
synthetic aperture radar (SAR), the steering of the antenna main beam increases the …
Azimuth resampling processing for highly squinted synthetic aperture radar imaging with several modes
The linear range walk yields a significant range-azimuth coupling effect in a highly squinted
synthetic aperture radar (SAR). Although the linear range walk correction (LRWC) technique …
synthetic aperture radar (SAR). Although the linear range walk correction (LRWC) technique …
An azimuth resampling based imaging algorithm for highly squinted sliding spotlight and TOPS SAR
This paper focuses on the data processing of highly squinted sliding spotlight and Terrain
Observation by Progressive Scans (TOPS) SAR and a novel azimuth resampling based …
Observation by Progressive Scans (TOPS) SAR and a novel azimuth resampling based …
A modified range model and Doppler resampling based imaging algorithm for high squint SAR on maneuvering platforms
There are two technical difficulties to overcome before obtaining a well-focused image from
high squint (HS) synthetic aperture radar (SAR) with constant acceleration. One is effective …
high squint (HS) synthetic aperture radar (SAR) with constant acceleration. One is effective …
Imaging method of spaceborne TOPS SAR based on ECS and SPECAN
J Sun, H Wang, SC Zheng, ZY Zeng… - 2022 3rd China …, 2022 - ieeexplore.ieee.org
The terrain observation by progressive scans SAR (TOPS SAR) is a new working mode of
spaceborne SAR. While maintaining the advantages of SCANSAR's wide mapping band …
spaceborne SAR. While maintaining the advantages of SCANSAR's wide mapping band …
Modified ERMA with generalized resampling for maneuvering highly squinted TOPS SAR
G Zhang, Y Liang, Z Suo, M Xing - IEEE Geoscience and …, 2020 - ieeexplore.ieee.org
In terrain observation by progressive scans' synthetic aperture radar (TOPS SAR) imaging, 3-
D acceleration of maneuvering platforms makes conventional unfolding methods no longer …
D acceleration of maneuvering platforms makes conventional unfolding methods no longer …