Improved signal reconstruction algorithm for multichannel SAR based on the Doppler spectrum estimation
For high-resolution wide-swath synthetic aperture radar imaging algorithms, signal
reconstruction is a key step. The steering vector plays an important role in signal …
reconstruction is a key step. The steering vector plays an important role in signal …
An improved azimuth reconstruction method for multichannel SAR using vandermonde matrix
P Cheng, J Wan, Q Xin, Z Wang, M He… - IEEE Geoscience and …, 2016 - ieeexplore.ieee.org
To overcome the contradiction between wide swath and high resolution in synthetic aperture
radar systems, a multichannel azimuth reconstruction method is investigated to …
radar systems, a multichannel azimuth reconstruction method is investigated to …
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 …
been widely used in synthetic aperture radar (SAR) systems to overcome the contradiction …
Modifications on multichannel reconstruction algorithm for SAR processing based on periodic nonuniform sampling theory and nonuniform fast Fourier transform
The next generation of space-borne synthetic aperture radar (SAR) systems will emphasize
on high-resolution and wide-swath imaging. For these design goals, multichannel …
on high-resolution and wide-swath imaging. For these design goals, multichannel …
Signal reconstruction algorithm for azimuth multichannel SAR system based on a multiobjective optimization model
Y Zhang, W Wang, Y Deng… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article establishes a multiobjective optimization model to suppress the azimuth
ambiguity power and noise simultaneously in signal reconstruction for a multichannel …
ambiguity power and noise simultaneously in signal reconstruction for a multichannel …
An adaptively weighted least square estimation method of channel mismatches in phase for multichannel SAR systems in azimuth
Y Liu, Z Li, T Yang, Z Bao - IEEE Geoscience and Remote …, 2013 - ieeexplore.ieee.org
Multichannel synthetic aperture radar (SAR) systems in azimuth can achieve high-resolution
and wide-swath imaging. However, the quality of final SAR image can be degraded by the …
and wide-swath imaging. However, the quality of final SAR image can be degraded by the …
Azimuth ambiguity suppression with an improved reconstruction method based on antenna pattern for multichannel synthetic aperture radar systems
For synthetic aperture radar (SAR) systems, antenna array which is distributed in flight
direction could increase the equivalent sample frequency in azimuth by a factor of the …
direction could increase the equivalent sample frequency in azimuth by a factor of the …
Modified multichannel reconstruction method of SAR with highly nonuniform spatial sampling
N Liu, R Wang, Y Deng, S Zhao… - IEEE Journal of Selected …, 2017 - ieeexplore.ieee.org
The traditional filter bank algorithm (FBA) for a multichannel synthetic aperture radar (SAR)
system can provide an unambiguous recovery. However, the FBA may result in a seriously …
system can provide an unambiguous recovery. However, the FBA may result in a seriously …
A novel approach to Doppler centroid and channel errors estimation in azimuth multi-channel SAR
Multi-channel synthetic aperture radar (SAR) in azimuth can overcome the minimum-
antenna-area constraint of the conventional SAR in high-resolution and wide-swath (HRWS) …
antenna-area constraint of the conventional SAR in high-resolution and wide-swath (HRWS) …
A channel calibration algorithm based on isolated scatterers for multi-channel HRWS-SAR
D Wu, Y Zhang, D Zhu, S Wang, M Shen - IEEE Access, 2019 - ieeexplore.ieee.org
Multi-channel receiving technique has been proved to be a promising approach for synthetic
aperture radar (SAR) to achieve simultaneous high-resolution and wide-swath (HRWS) …
aperture radar (SAR) to achieve simultaneous high-resolution and wide-swath (HRWS) …