Results 1 to 10 of about 768,764 (104)

Aspect Entropy Extraction Using Circular SAR Data and Scattering Anisotropy Analysis [PDF]

open access: yesSensors, 2019
In conventional synthetic aperture radar (SAR) working modes, targets are assumed isotropic because the viewing angle is small. However, most man-made targets are anisotropic.
Fei Teng, Wen Hong, Yun Lin
doaj   +3 more sources

Parameter inversion algorithm of CSAR moving target based on PFA sub-aperture images

open access: yesThe Journal of Engineering, 2019
Circular SAR (CSAR) as a new kind of SAR imaging mode has the advantage of long-time observation. For the moving target, the corresponding parameters of the moving target can be calculated by using the position information from the apparent coordinates ...
Di Yao, Zhou Wang, Wengu Yang, Feng Li
doaj   +4 more sources

Circular SAR Incoherent 3D Imaging with a NeRF-Inspired Method

open access: yesRemote Sensing, 2023
Circular synthetic aperture radar (CSAR) has the potential to form 3D images with single-pass single-channel radar data, which is very time-efficient.
Hanqing Zhang   +5 more
doaj   +2 more sources

ULTRA-HIGH RESOLUTION IMAGING OF FACADES AND VERTICAL INFRASTRUCTURE BY CARBORNE SAR AND AIRBORNE CSAR [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
In this paper we propose a strategy to focus ultra-high resolution single channel carborne SAR and airborne circular SAR (CSAR) data to image facades and vertical infrastructure.
S. Palm   +3 more
doaj   +2 more sources

Progress in Circular SAR Imaging Technique

open access: yesLeida xuebao, 2012
Circular SAR (CSAR) is a newly developed all-directional high resolution 3D imaging mode in recent years, to satisfy the demand of finer observation. The National Key Laboratory of Science and Technology on Microwave Imaging, Institute of Electronics ...
Hong Wen
doaj   +2 more sources

A Novel Method for Building Contour Extraction Based on CSAR Images

open access: yesRemote Sensing, 2023
Circular synthetic aperture radar (CSAR) can obtain more complete scattering characteristics by observing the target with different azimuth angles. Therefore, extracting the complete structure of the target from CSAR images is of great significance for ...
Jia Zhao, Daoxiang An, Leping Chen
doaj   +2 more sources

Research on 4-D Imaging of Holographic SAR Differential Tomography

open access: yesRemote Sensing, 2023
Holographic synthetic aperture radar tomography (HoloSAR) combines circular synthetic aperture radar (CSAR) and SAR tomography (TomoSAR) to enable a 360° azimuth observation of the considered scene.
Shuang Jin   +5 more
doaj   +2 more sources

Time-Frequency Reversion-Based Spectrum Analysis Method and Its Applications in Radar Imaging

open access: yesRemote Sensing, 2021
Spectrum analysis (SA) plays an important role in radar signal processing, especially in radar imaging algorithm design. Because it is usually hard to obtain the analytical expression of spectrum by the Fourier integral directly, principle of stationary ...
Jixiang Fu, Mengdao Xing, Guangcai Sun
doaj   +2 more sources

Study of the Airborne Circular Synthetic Aperture Radar Imaging Technology

open access: yesLeida xuebao, 2020
Circular Synthetic Aperture Radar (CSAR) is a novel imaging mode, which has the advantages of alldirectional observation, high spatial resolution, and three-dimensional imaging.
AN Daoxiang   +4 more
doaj   +1 more source

A Land Bridge Extraction Method Based on Polarized Circular Synthetic Aperture Radar Images

open access: yesLeida xuebao, 2021
As important man-made targets, bridges have been a major focus of Synthetic Aperture Radar (SAR) image interpretation, and many researchers have developed methods for bridge detection. The core frameworks of these methods are analogical, a river is first
Xiangcheng TAN   +3 more
doaj   +1 more source

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