Results 1 to 10 of about 309 (131)
Channel Phase Calibration for High-Resolution and Wide-Swath SAR Imaging with Doppler Spectrum Sharpness Optimization. [PDF]
Sensors (Basel), 2022 Channel phase calibration is a crucial issue in high resolution and wide swath (HRWS) imagery with azimuth multi-channel synthetic aperture radar (SAR) systems.
Zhang M, Huan S, Zhao Z, Wang Z.
europepmc +5 more sources
Range-Dependent Channel Calibration for High-Resolution Wide-Swath Synthetic Aperture Radar Imagery. [PDF]
Sensors (Basel)High-resolution and wide-swath (HRWS) synthetic aperture radar (SAR) imaging with azimuth multi-channel always suffers from channel phase and amplitude errors.
Zhang M, Meng Z, Wang G, Xue Y.
europepmc +5 more sources
The Latest Developments in Spaceborne High-Resolution Wide-Swath SAR Systems and Imaging Methods. [PDF]
Sensors (Basel)Azimuth resolution and swath width are two crucial parameters in spaceborne synthetic aperture radar (SAR) systems. However, it is difficult for conventional spaceborne SAR to simultaneously achieve high-resolution wide-swath (HRWS) due to the minimum ...
Song R, Wang W, Yu W.
europepmc +3 more sources
New Approach for Unambiguous High-Resolution Wide-Swath SAR Imaging [PDF]
International Journal of Antennas and Propagation, 2014 The high-resolution wide-swath (HRWS) SAR system uses a small antenna for transmitting waveform and multiple antennas both in elevation and azimuth for receiving echoes.
Yueguan Lin +3 more
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Remote Sensing, 2021 Scan-on-receive (SCORE) digital beamforming (DBF) in elevation can significantly improve the signal-to-noise ratio (SNR) and suppress range ambiguities in spaceborne synthetic aperture radar (SAR).
Wei Xu +5 more
doaj +4 more sources
System Design and Echo Preprocessing of Spaceborne Squinted Two-Dimensional Beam Scanning Synthetic Aperture Radar. [PDF]
Sensors (Basel), 2023 Conventional squinted sliding spotlight synthetic aperture radar (SAR) imaging suffers from substantial swath width reduction and complex processing requirements due to the continuous variation in the squint angle and the large range cell migration (RCM)
Xu W, Lu X, Huang P, Tan W, Gao Z, Qi Y.
europepmc +2 more sources
The Journal of Engineering, 2019 The wide swath synthetic aperture radar (SAR) imaging with a fine resolution is fundamentally a contradiction in conventional SAR imaging. To meet the demand of high-resolution width swath (HRWS) imaging, multi-channel scan mode has received a great deal
Feng Xiao, Zegang Ding, Meng Ke
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Study on spaceborne HRWS TOPSAR mode based on azimuth multichannel
The Journal of Engineering, 2019 This article addresses a high-resolution wide swath (HRWS) Terrain Observation by Progressive Scans (TOPSAR) mode which integrates the azimuth multichannel HRWS imaging technique and TOPSAR technique.
Yu Hui +3 more
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First demonstration of airborne multi-channel InSAR processing based on measured data
The Journal of Engineering, 2019 Azimuth multi-channel interferometric SAR (AMC-InSAR) mode integrates the azimuth multichannel high-resolution wide swath (HRWS) imaging technique and high-precision InSAR digital elevation model (DEM) generation technique.
Yu Hui +4 more
doaj +2 more sources
IRCI‐free multiple subband MIMO SAR
IET Radar, Sonar & Navigation, 2021 An inter‐range cell interference (IRCI)‐free multiple subband multiple‐input multiple‐output (MIMO) synthetic aperture radar (SAR) algorithm is proposed to obtain a high‐resolution wide swath (HRWS) imaging.
Mohammed AlShaya +2 more
doaj +2 more sources