[PDF][PDF] Channel error compensation for multi-channel SAR based on cost function

Z Lei, D Yun-kai, W Yu, Z Shi-chao, Y Liang - Journal of Radars, 2014 - edit.radars.ac.cn
Multi-channel in azimuth is a technique to achieve high-resolution as well as wide-swath in
Synthetic Aperture Radar (SAR) systems. Channel error is inevitable in multi-channel …

An improved airborne multichannel SAR imaging method with motion compensation and range-variant channel mismatch correction

J Guo, J Chen, W Liu, C Li… - IEEE Journal of Selected …, 2020 - ieeexplore.ieee.org
To obtain a high-resolution and wide-swath image, the azimuth multichannel technique has
been widely used in synthetic aperture radar (SAR) systems to overcome the contradiction …

[HTML][HTML] Channel error estimation methods comparison under different conditions for multichannel HRWS SAR systems

T Jin, X Qiu, D Hu, C Ding - Journal of Computer and Communications, 2016 - scirp.org
Multichannel synthetic aperture radar (SAR) in azimuth can resolve the contradiction
between high resolution and wide swath faced with traditional SAR imaging. However …

A novel signal-cancellation-based channel phase bias calibration algorithm for spaceborne multi-channel HR WS SAR in azimuth

Y Liu, L Cui, Y Xu, J Zhang, Z Chen… - 2015 IEEE 5th Asia …, 2015 - ieeexplore.ieee.org
Combined with digital beam forming (DBF), multichannel synthetic aperture radar (MC-SAR)
in azimuth can achieve high-resolution and wide-swath (HRWS) SAR imaging. However …

Phase inconsistency error compensation for multichannel spaceborne SAR based on the rotation-invariant property

H Gao, J Chen, W Liu, C Li… - IEEE Geoscience and …, 2020 - ieeexplore.ieee.org
The azimuth multichannel technique has been widely used in synthetic aperture radar (SAR)
systems for improving the resolution and expanding the illumination area. However, due to …

Clutter-cancellation-based channel phase bias estimation algorithm for spaceborne multichannel high-resolution and wide-swath SAR

C Fang, Y Liu, Z Li, T Yang… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
When combined with digital beam-forming (DBF) techniques, multichannel synthetic
aperture radar (SAR) systems can achieve high-resolution and wide-swath SAR imaging …

A channel calibration method based on weighted backprojection algorithm for multichannel SAR imaging

D Liang, R Wang, Y Deng, H Fan… - … and Remote Sensing …, 2019 - ieeexplore.ieee.org
In the multichannel synthetic aperture radar (SAR) systems, unavoidable channel errors will
significantly degrade the performance of the ambiguity suppression. To address this …

An airborne multi-channel SAR imaging method with motion compensation

J Guo, J Chen, C Li, W Yang - IGARSS 2019-2019 IEEE …, 2019 - ieeexplore.ieee.org
Azimuth multi-channel technology has been widely used in high-resolution wide-swath
synthetic aperture radar (SAR). However, for airborne multi-channel SAR, motion error …

A subspace algorithm of calibrating channel gain and phase errors for HRWS SAR imaging

L Zhang, Y Gao, K Wang, X Liu - 2017 IEEE Radar Conference …, 2017 - ieeexplore.ieee.org
Azimuth multichannel SAR system is a promising solution to achieve high-resolution and
wide-swath (HRWS) imaging for spaceborne synthetic aperture radar (SAR) system. These …

System error analysis and calibration methods for multi-channel SAR

L Ma, ZF Li, G Liao - Progress In Electromagnetics Research, 2011 - jpier.org
For multi-channel SAR system, since the minimum antenna area constraint is eliminated,
wide swath and high resolution SAR image can be achieved. However, compared to mono …