Results 11 to 20 of about 103,839 (206)

Frequency-Scaling-Based Spaceborne Squint SAR Sparse Imaging

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
In synthetic aperture radar (SAR), due to the characteristics of squint data in spaceborne imaging geometry, a more accurate range cell migration correction operation is necessary.
Yufan Song   +4 more
doaj   +1 more source

RCS measurement and SAR imaging verification based on blast furnace stock line

open access: yes工程科学学报, 2018
Based on the requirements of blast furnace burden surface monitoring imaging, this study investigated the measurement of the radar cross section (RCS) of the blast furnace radar target.
WANG Chen-lu   +3 more
doaj   +1 more source

SAR moving target imaging using group sparsity [PDF]

open access: yes, 2013
SAR imaging of scenes containing moving targets results in defocusing in the reconstructed images if the SAR observation model used in imaging does not take the motion into account.
Çetin, Müjdat, Önhon, Özben Naime
core   +1 more source

Synthetic Aperture Radar Three-dimensional Imaging——From TomoSAR and Array InSAR to Microwave Vision

open access: yesLeida xuebao, 2019
Synthetic Aperture Radar three-Dimensional (SAR 3D) imaging technology can eliminate severe overlap in 2D images, and improve target recognition and 3D modeling capabilities, which have become an important trend in SAR development.
DING Chibiao   +5 more
doaj   +1 more source

Synthetic Aperture Radar Learning-imaging Method Based on Data-driven Technique and Artificial Intelligence

open access: yesLeida xuebao, 2020
One of the most important research fields in Synthetic Aperture Radar (SAR) technology is to improve the accuracies of the number, location, classification, and other parameters of targets of interest.
LUO Ying, NI Jiacheng, ZHANG Qun
doaj   +1 more source

Present Situation and Prospect of Missile-borne Radar Imaging Technology

open access: yesLeida xuebao, 2022
The missile-borne SAR may create high-resolution two-dimensional images of the observation area to gather detailed geomorphological information and information on the size and shape of the target, thereby helping to choose the attack place and enhancing ...
Yachao LI   +3 more
doaj   +1 more source

SAR moving target imaging in a sparsity-driven framework [PDF]

open access: yes, 2011
In synthetic aperture radar (SAR) imaging, sparsity-driven imaging techniques have been shown to provide high resolution images with reduced sidelobes and reduced speckle, by allowing the incorporation of prior information about the scene into the ...
Cetin, Mujdat   +3 more
core   +1 more source

A sparsity-driven approach for joint SAR imaging and phase error correction [PDF]

open access: yes, 2012
Image formation algorithms in a variety of applications have explicit or implicit dependence on a mathematical model of the observation process. Inaccuracies in the observation model may cause various degradations and artifacts in the reconstructed ...
Çetin, Müjdat, Önhon, Özben Naime
core   +5 more sources

Forward-Looking MIMO-SAR for Enhanced Radar Imaging in Autonomous Mobile Robots

open access: yesIEEE Access, 2023
Synthetic aperture radar (SAR) techniques are commonly used in spaceborne and airborne side-looking radar imaging applications, where the relatively high platform speeds enable the formation of very long synthetic apertures, which provide images with ...
Adnan Albaba   +4 more
doaj   +1 more source

Sparsity-driven image formation and space-variant focusing for SAR [PDF]

open access: yes, 2011
In synthetic aperture radar (SAR) imaging, the presence of moving targets in the scene causes phase errors in the SAR data and subsequently defocusing in the formed image. The defocusing caused by the moving targets exhibits space-variant characteristics,
Çetin, Müjdat, Önhon, Özben Naime
core   +1 more source

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