Results 31 to 40 of about 2,282,425 (108)

A Concept for High Performance Reflector-Based Synthetic Aperture Radar [PDF]

open access: yes, 2010
The success of current spaceborne Synthetic Aperture Radar (SAR) is boosting the performance requirement of next generation systems. In order to cope with the evolution of SAR, the design of the new systems will need to meet higher requirements for ...
Patyuchenko, Anton   +9 more
core   +1 more source

A ground based circular synthetic aperture radar [PDF]

open access: yes, 2013
Detecting on-the-ground objects is a subject of interest for some applications. Typical example is foreign object detection on the airport runway. In response to this demand, a ground-based Circular Synthetic Aperture Radar (CSAR) system is proposed and ...
Mohammadpoor, Mojtaba   +3 more
core   +1 more source

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   +2 more sources

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

Wavefront Reconstruction of Elevation Circular Synthetic Aperture Radar Imagery Using a Cylindrical Green's Function

open access: yesEURASIP Journal on Advances in Signal Processing, 2010
Elevation Circular Synthetic Aperture Radar (E-CSAR) is a novel radar modality used to form radar images from data sets acquired along a complete or even a segment of a cylindrical geometry above a given scan area.
Daniel Flores-Tapia   +2 more
doaj   +1 more source

Polar format algorithm of synthetic aperture radar imaging on spiral trajectory

open access: yesThe Journal of Engineering, Volume 2019, Issue 19, Page 5580-5583, October 2019., 2019
A novel polar format algorithm is proposed for spiral trajectory. The synthetic aperture radar (SAR) signal model of spiral trajectory platform is firstly established, then the sector‐by‐sector phase compensation method of spiral trajectory SAR is proposed.
Feng Li, Wengu Yang, Zhou Wang, Di Yao
wiley   +1 more source

Statistical Models of Speckle for Circular SAR Imaging

open access: yesLeida xuebao, 2015
Circular Synthetic Aperture Radar (CSAR) is a recently developed all-directional high-resolution imaging mode, which is efficient in dealing with the target recognition, area monitoring, and three-dimensional reconstruction because of the acquisition of ...
Guo Xiao-yang   +4 more
doaj   +1 more source

Analysis of Azimuthal Variations Using Multi-Aperture Polarimetric Entropy with Circular SAR Images

open access: yesRemote Sensing, 2018
In conventional synthetic aperture radar (SAR), sensors with a fixed look angle are assumed, and the scattering properties are considered as invariant in the azimuth.
Feiteng Xue   +6 more
doaj   +1 more source

A Novel 3D Point Cloud Reconstruction Method for Single-Pass Circular SAR Based on Inverse Mapping with Target Contour Constraints

open access: yesRemote Sensing
Circular synthetic aperture radar (CSAR) is an advanced imaging mechanism with three-dimensional (3D) imaging capability, enabling the acquisition of omnidirectional scattering information for observation regions.
Qiming Zhang   +4 more
doaj   +1 more source

Interferometric Synthetic Aperture Radar (SAR) Missions Employing Formation Flying [PDF]

open access: yes, 2010
This paper presents an overview of single-pass interferometric Synthetic Aperture Radar (SAR) missions employing two or more satellites flying in a close formation.
Hajnsek, Irena   +9 more
core   +1 more source

Home - About - Disclaimer - Privacy