Implementing Wide-swath SAR Based on Displaced Phase Center Azimuth Multi-beam

Y Hu, C Ding, Y Wu - 电子与信息学报, 2008 - jeit.ac.cn
A wide-swath SAR scheme based on displaced phase center azimuth multibeam is
presented in this paper. More than one azimuth sampling can be acquired during one pulse …

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 …

A Modified Algorithm for HS-SAR Small-Aperture Data Imaging

Y Liang, Y Huai, J Ding, H Wang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Due to the skew data support region (DSR) of the 2-D wavenumber spectrum for high-squint
synthetic aperture radar (HS-SAR), the conventional wk algorithm cannot fully utilize the …

An Imaging Algorithm for Multi-channel SAR Azimuth Missing Data

W Song, Y Yao - IEEE Access, 2024 - ieeexplore.ieee.org
In the process of synthetic aperture radar (SAR) data acquisition, aircraft are susceptible to
various disturbances during flight, resulting in the loss or destruction of azimuth echo data …

Imaging and MTI processing based on dual-frequencies dual-apertures spaceborne SAR

J Yin, D Li, Y Wu - Journal of Electronics (China), 2009 - Springer
Based on dual-frequencies dual-apertures spaceborne SAR (Synthetic Aperture Radar), a
new SAR system with four receiving channels and two operation modes is presented in this …

A weighted backprojection algorithm for azimuth multichannel SAR imaging

J Tang, Y Deng, R Wang, S Zhao, N Li… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
A backprojection algorithm (BPA), a time domain synthetic aperture radar (SAR) imaging
algorithm, can be widely used without modification in various imaging modes, like stripmap …

A subaperture imaging algorithm to highly squinted TOPS SAR based on SPECAN and deramping

J Yang, G Sun, J Chen, L Mao… - EUSAR 2014; 10th …, 2014 - ieeexplore.ieee.org
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 …

Azimuth Multichannel SAR Imaging Algorithm Based on Spectral Extrapolation and Image Fusion

Z Tian, Z Yu, Y Guo, J Yu, D Li - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The azimuth multichannel synthetic aperture radar (SAR) technique can simultaneously
achieve high resolution and wide swath, which is important for disaster management, sea …

[引用][C] Study and practice of imaging signal processing for airborne SAR.

DY Zhu, ZD Zhu, SH Ye, KH Zhang - Journal of Nanjing University of Aeronautics & …, 2003

Geometry and signal properties of multiple azimuth angle spaceborne SAR

H Kuang, T Wang, H Gao, H Yu, L Liu, R Zhang - 2021 - IET
The multiple azimuth angle spaceborne (MAAS) SAR can observe the region-of-interest
(ROI) with different azimuth angles during single pass, which can significantly increase the …