Results 11 to 20 of about 2,185,953 (100)

Geosynchronous synthetic aperture radar: design and applications [PDF]

open access: yes, 2009
Synthetic Aperture Radar (SAR) imaging from geosynchronous orbit has significant potential advantages over conventional low-Earth orbit (LEO) radars, but also challenges to overcome.
Bruno, Davide
core   +7 more sources

Range-Doppler Based Moving Target Image Trace Analysis Method in Circular SAR

open access: yesRemote Sensing, 2023
The single channel Circular Synthetic Aperture Radar (CSAR) has the advantage of continuous surveillance of a fixed scene of interest, which can provide high frame rate image sequences to detect ground moving targets.
Wenjie Shen   +5 more
doaj   +1 more source

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   +1 more source

Multipath Reflectivity Estimation in Urban Environments for Synthetic Aperture Radar Images [PDF]

open access: yes, 2010
Synthetic Aperture Radar (SAR) images a target region reflectivity function in the multi-dimensional spatial domain of range and cross-range. SAR synthesizes a large aperture radar in order to achieve a finer azimuth resolution than the one provided by ...
Arriba Ruiz, Imanol de   +5 more
core   +1 more source

Three-dimensional Reconstruction Method Study Based on Interferometric Circular SAR

open access: yesLeida xuebao, 2016
Circular Synthetic Aperture Radar (CSAR) can acquire targets’ scattering information in all directions by a 360° observation, but a single-track CSAR cannot efficiently obtain height scattering information for a strong directive scatter.
Hou Liying, Lin Yun, Hong Wen
doaj   +1 more source

Multidimensional Waveform Encoding for Synthetic Aperture Radar Remote Sensing [PDF]

open access: yes, 2007
This paper introduces and analyses the innovative concept of multidimensional waveform encoding for spaceborne synthetic aperture radar (SAR). The combination of this technique with digital beamforming on receive enables a new class of highly ...
Moreira, Alberto   +5 more
core   +1 more source

Circular SAR Optimization Imaging Method of Buildings

open access: yesLeida xuebao, 2015
The Circular Synthetic Aperture Radar (CSAR) can obtain the entire scattering properties of targets because of its great ability of 360° observation. In this study, an optimal orientation of the CSAR imaging algorithm of buildings is proposed by applying
Wang Jian-feng   +4 more
doaj   +1 more source

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 Novel DEM Extraction Method Based on Chain Correlation of CSAR Subaperture Images

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Circular synthetic sperture radar (CSAR) can observe the target in 360° and obtain the target's total scattering information. By dividing the CSAR imaging data into subapertures, the target digital elevation model (DEM) information can be ...
Yishi Li   +3 more
doaj   +1 more source

Synthetic aperture radar demonstration kit for signal processing education [PDF]

open access: yes, 2007
A Synthetic Aperture Radar scale model has been developed to improve signal processing teaching. Based on low frequency ultrasound transmission, it is a low cost demonstration kit.
Chaumette, Eric   +9 more
core   +1 more source

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