2-D Wavenumber-Domain Autofocusing for High-Resolution Highly-Squinted SAR Imaging Based on Equivalent Broadside Model
Y Deng, GC Sun, L Han, Y Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The wavenumber domain algorithm is an ideal solution for high-resolution and highly
squinted (HRHS) synthetic aperture radar (SAR) imaging in the case of an ideal straight …
squinted (HRHS) synthetic aperture radar (SAR) imaging in the case of an ideal straight …
Robust autofocusing approach for highly squinted SAR imagery using the extended wavenumber algorithm
For highly squinted synthetic aperture radar (SAR) imaging, the wavenumber domain SAR
processing algorithm is commonly accepted as an ideal solution to SAR focusing in the case …
processing algorithm is commonly accepted as an ideal solution to SAR focusing in the case …
Focusing of maneuvering high-squint-mode SAR data based on equivalent range model and wavenumber-domain imaging algorithm
Z Li, J Chen, W Du, B Gao, D Guo… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Due to the complexity of high-squint synthetic aperture radar (SAR) mounted on
maneuvering platforms, the traditional geometric model and imaging algorithms cannot be …
maneuvering platforms, the traditional geometric model and imaging algorithms cannot be …
Simultaneous range and cross-range variant phase error estimation and compensation for highly squinted SAR imaging
L Ran, R Xie, Z Liu, L Zhang, T Li… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper addresses an autofocusing technique for highly squinted airborne synthetic
aperture radar (SAR) imaging. In highly squinted mode, the phase errors resulting by …
aperture radar (SAR) imaging. In highly squinted mode, the phase errors resulting by …
Focusing high-resolution highly-squinted airborne SAR data with maneuvers
S Tang, L Zhang, HC So - Remote Sensing, 2018 - mdpi.com
Maneuvers provide flexibility for high-resolution highly-squinted (HRHS) airborne synthetic
aperture radar (SAR) imaging and also mean complex signal properties in the echoes. In …
aperture radar (SAR) imaging and also mean complex signal properties in the echoes. In …
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 …
2-D Autofocus for High-Squint SAR Based on Affine Coordinate Back-Projection Algorithm
Y Lou, H Lin, Q Chen, M Xing, S Zhou… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
When synthetic aperture radar (SAR) works in high squint (HS) mode, the interpolation and
scaling operation of traditional frequency domain imaging algorithms will change the …
scaling operation of traditional frequency domain imaging algorithms will change the …
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
Squint spaceborne synthetic aperture radar (SAR) can significantly improve the ground
observation performance of platform sensor through flexible beam pointing; however, it is …
observation performance of platform sensor through flexible beam pointing; however, it is …
Extension of map-drift algorithm for highly squinted SAR autofocus
L Ran, Z Liu, T Li, R Xie, L Zhang - IEEE Journal of Selected …, 2017 - ieeexplore.ieee.org
For highly squinted synthetic aperture radar (SAR) imaging, the Omega-k algorithm is
generally accepted as an effective focusing processor. However, the performance of the …
generally accepted as an effective focusing processor. However, the performance of the …
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 …
spaceborne synthetic aperture radar (SAR). Although existing imaging algorithms based on …