A high-order phase correction approach for focusing HS-SAR small-aperture data of high-speed moving platforms
Y Liang, Z Li, L Zeng, M Xing… - IEEE Journal of Selected …, 2015 - ieeexplore.ieee.org
The squinted imaging mode has been successfully applied to synthetic aperture radar (SAR)
mounted on moving platforms of high speed. The developed focusing algorithms for squint …
mounted on moving platforms of high speed. The developed focusing algorithms for squint …
Focusing of highly squinted SAR data with frequency nonlinear chirp scaling
Z Li, Y Liang, M Xing, Y Huai, L Zeng… - IEEE Geoscience and …, 2015 - ieeexplore.ieee.org
In this letter, several important aspects are addressed for highly squinted synthetic aperture
radar data with subaperture (SA) processing. First, the influences of the reference linear …
radar data with subaperture (SA) processing. First, the influences of the reference linear …
Focus improvement for high-resolution highly squinted SAR imaging based on 2-D spatial-variant linear and quadratic RCMs correction and azimuth-dependent …
The results of the linear range cell migration (RCM) correction and inherent range-
dependent squint angle in the case of high-resolution highly squinted synthetic aperture …
dependent squint angle in the case of high-resolution highly squinted synthetic aperture …
Subaperture approach based on azimuth-dependent range cell migration correction and azimuth focusing parameter equalization for maneuvering high-squint-mode …
T Zeng, Y Li, Z Ding, T Long, D Yao… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The challenge in the imaging of high-squint-mode synthetic aperture radar (SAR) mounted
on maneuvering platforms is the azimuth dependence of both the range migration and the …
on maneuvering platforms is the azimuth dependence of both the range migration and the …
Precise focusing of airborne SAR data with wide apertures large trajectory deviations: A chirp modulated back-projection approach
D Meng, D Hu, C Ding - IEEE Transactions on Geoscience and …, 2014 - ieeexplore.ieee.org
In the area of airborne synthetic aperture radar (SAR), motion compensation (MOCO) is a
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …
crucial technique employed to correct the SAR data affected by nonlinear platform trajectory …
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 …
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 …
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 …
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
To process squinted sliding-spotlight synthetic aperture radar data, the azimuth
preprocessing step based on the linear range walk correction (LRWC) and derotation …
preprocessing step based on the linear range walk correction (LRWC) and derotation …
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 …