An Improved Imaging Algorithm for HRWS Space-Borne SAR Data Processing Based on CVPRI

Y Guo, P Wang, X Zhou, T He… - IEEE Journal of Selected …, 2022 - ieeexplore.ieee.org
In space-borne synthetic aperture radar (SAR), the sliding spotlight mode can acquire
images with both high-resolution and wide-swath in azimuth direction. Due to the significant …

[HTML][HTML] A Novel Imaging Algorithm for High-Resolution Wide-Swath Space-Borne SAR Based on a Spatial-Variant Equivalent Squint Range Model

Y Guo, P Wang, J Chen, Z Men, L Cui, L Zhuang - Remote Sensing, 2022 - mdpi.com
High-Resolution Wide-Swath (HRWS) is an important development direction of space-borne
Synthetic Aperture Radar (SAR). The two-dimensional spatial variation of the Doppler …

Processing of very high resolution spaceborne sliding spotlight SAR data using velocity scaling

Y Wu, GC Sun, C Yang, J Yang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
In spaceborne synthetic aperture radar, the sliding spotlight mode can acquire high
resolution and large azimuth scene size simultaneously. However, when the resolution is …

A modified range model and Doppler resampling based imaging algorithm for high squint SAR on maneuvering platforms

B Bie, Y Quan, GC Sun, W Liu… - IEEE Geoscience and …, 2019 - ieeexplore.ieee.org
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 …

Analysis of Varying-PRI Spotlight SAR Data

ZX Zhou, Y Deng, W Wang, X Jia… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
For ultrahigh-resolution spaceborne spotlight synthetic aperture radar (SAR), the effective
swath width is limited by the severe range migration. By adapting the pulse repetition …

High-resolution real-time imaging processing for spaceborne spotlight SAR with curved orbit via subaperture coherent superposition in image domain

Y Liu, GC Sun, L Guo, M Xing, H Yu… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
With the increasing of application requirements, the high-resolution real-time imaging
processing of the spaceborne spotlight synthetic aperture radar (SAR) has been developed …

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 …

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 …

[HTML][HTML] An improved imaging algorithm for spaceborne MAPs sliding spotlight SAR with high-resolution wide-swath capability

H Kuang, J Chen, W Yang, W Liu - Chinese Journal of Aeronautics, 2015 - Elsevier
Conventional synthetic aperture radar (SAR) systems cannot achieve both high-resolution
and wide-swath imaging simultaneously. This problem can be mitigated by employing …

Imaging for high-resolution wide-swath spaceborne SAR using cubic filtering and NUFFT based on circular orbit approximation

S Zhao, Y Deng, R Wang - IEEE Transactions on Geoscience …, 2016 - ieeexplore.ieee.org
In the processing of high-resolution wide-swath spaceborne synthetic aperture radar data,
the slant range history is difficult to formulate with a high accuracy over a long data …