Non-sparse SAR imaging from quadrature compressive measurements based on magnitude-phase separation

C Chen, H Yang, S Chen, F Xi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Sub-Nyquist synthetic aperture radar (SAR) can recover images from sub-Nyquist samples
with a prerequisite that SAR imaging scenes are sparse in certain basis. However, plenty of …

Non-common band SAR interferometry via compressive sensing

H Yang, C Chen, S Chen, F Xi, Z Liu - arXiv preprint arXiv:2003.00692, 2020 - arxiv.org
To avoid decorrelation, conventional synthetic aperture radar interferometry (InSAR)
requires that interferometric images should have a common spectral band and the same …

A Motion Compensation Scheme for Compressed Sensing SAR Image Restoration Using Measured Antenna Phase Center Data

C Chen, H Yang, S Chen, F Xi… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Compressed sensing (CS) synthetic aperture radar (SAR) can recover images from
undersampled SAR data based on accurate observation models. However, motion errors …

Drone SAR Image Compression Based on Block Adaptive Compressive Sensing

J Choi, W Lee - Remote Sensing, 2021 - mdpi.com
In this paper, an adaptive block compressive sensing (BCS) method is proposed for
compression of synthetic aperture radar (SAR) images. The proposed method enhances the …

[PDF][PDF] 正交压缩采样系统时域分析

陈胜垚, 席峰, 张素玲, 刘中 - 电子学报, 2023 - ejournal.org.cn
正交压缩采样(Quadrature Compressive Sampling, QuadCS), 可直接低速获取射频信号的同相
和正交支路信号, 是一种有效的宽带/超宽带信号采样模信转换系统. 本文在分析QuadCS …

Sub-Nyquist sampling with independent measurements

S Chen, Z Cheng, H Yang, F Xi, Z Liu - Signal Processing, 2020 - Elsevier
This paper presents an efficient sub-Nyquist pulse-Doppler radar system via quadrature
compressive sampling (QuadCS) in fast-time domain. QuadCS is a bandpass variant of …

The Highly Compressed PolSAR Model

J Becker, JA Jackson - IEEE Transactions on Radar Systems, 2024 - ieeexplore.ieee.org
Additional scene information can be captured using fully polarimetric synthetic aperture
radar (PolSAR) at the cost of significant increases in storage and data processing …

Interferometric phase retrieval for multimode InSAR via sparse recovery

H Yang, C Chen, S Chen, F Xi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Modern spaceborne synthetic aperture radar (SAR) features a capacity of multiple imaging
modes. It comes with Earth-observation data archives consisting of SAR images acquired in …

Compressed FMCW SAR Image Reconstruction

RK Kanth, A Gigie, AA Kumar, K Aditi… - 2022 23rd …, 2022 - ieeexplore.ieee.org
This paper presents the Compressed Co-prime FMCW SAR (CCF-SAR) system. CCF-SAR
is an efficient FMCW SAR compression system based on the idea of co-prime sampling …

Effects of Calibration Errors on Dropped-Channel Polarimetric Synthetic Aperture Radar

JC Morrison - 2023 - scholar.afit.edu
Compressed Sensing (CS) is a mathematical technique that can be applied to sparse data
sets to allow for sub-Nyquist sampling. DCPCS is a CS technique that recovers the signal …