Results 91 to 100 of about 17,640,042 (143)

A Novel Focus Approach for Squint Mode Multi-Channel in Azimuth High-Resolution and Wide-Swath SAR Imaging Processing

open access: yesIEEE Access, 2018
An imaging processing for the squint mode multi-channel in azimuth high-resolution and wide-swath (MC-HRWS) synthetic aperture radar (SAR) system is presented in this paper.
Shuang-Xi Zhang   +2 more
doaj   +1 more source

Advanced Digital Beamforming Concepts for Future SAR Systems [PDF]

open access: yes, 2010
This paper reviews advanced multi-channel SAR system concepts for the imaging of wide swaths with high resolution. Several novel system architectures employing both direct radiating arrays and reflector antennas fed by a digital array are introduced ...
A. Patyuchenko   +13 more
core   +1 more source

Advanced Digital Beamforming Concepts for High Performance Synthetic Aperture Radar (SAR) Imaging [PDF]

open access: yes, 2009
This paper reviews advanced multi-channel SAR system concepts for the imaging of wide swaths with high resolution. Several novel system architectures employing both direct radiating arrays and reflector antennas fed by a digitial array are introduced ...
Patyuchenko, Anton   +6 more
core  

A Channel Calibration Algorithm Based on Isolated Scatterers for Multi-Channel HRWS-SAR

open access: yesIEEE Access, 2019
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) imaging. With the support of digital beamforming (DBF) technique, ambiguity-free
Di Wu   +4 more
doaj   +1 more source

Optimization Strategies for Multi-Aperture SAR Imaging With High Performance [PDF]

open access: yes, 2007
Multi-aperture synthetic aperture radar (SAR) systems enable high performance SAR imaging thus meeting the rising demands of future remote sensing applications that conventional SAR cannot fulfill.
Moreira, Alberto   +2 more
core  

Near-Space Microwave Radar Remote Sensing: Potentials and Challenge Analysis

open access: yesRemote Sensing, 2010
Near-space, defined as the region between 20 km and 100 km, offers many new capabilities that are not accessible to low earth orbit (LEO) satellites and airplanes, because it is above storm and not constrained by either the orbital mechanics of ...
Qicong Peng, Jingye Cai, Wen-Qin Wang
doaj   +1 more source

Calibration Issue in SMART Synthetic Aperture Radar Based on Scan-On-Receive [PDF]

open access: yes, 2009
A new spaceborne Synthetic Aperture Radar (SAR) system based on SCan-On-REceive (SCORE) algorithm has been recently proposed in order to overcome the trade-off between spatial resolution and swath wide of current SAR systems. The compound architecture of
Bordoni, Federica   +2 more
core  

Signal reconstruction with range migration correction for high-resolution wide-swath SAR systems

open access: yes, 2022
S.110-113This paper addresses signal processing for high-resolution wide-swath (HRWS) synthetic aperture radar (SAR) systems which operate with a high signal bandwidth and/or large antenna beamwidths.
Cerutti-Maori, D.   +3 more
core   +1 more source

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