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Airborne Demonstration of Multichannel SAR Imaging

Gebert, Nicolas and Queiroz de Almeida, Felipe and Krieger, Gerhard (2011) Airborne Demonstration of Multichannel SAR Imaging. IEEE Geoscience and Remote Sensing Letters, 8 (5), pp. 963-967. IEEE. DOI: 10.1109/LGRS.2011.2144563.

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Multichannel synthetic aperture radar (SAR) makes it possible to obtain high-resolution wide-swath imagery, thus overcoming an inherent limitation of conventional SAR. To cope with a nonuniformly sampled data array in azimuth caused by variations of the pulse repetition frequency, these systems require appropriate coherent processing such as the multichannel reconstruction algorithm. This letter presents the applicability of this algorithm to airborne measured multichannel X-band data. In this context, impact and performance of different channel-balancing methods are investigated. Furthermore, the analytic prediction of residual azimuth ambiguities is verified in the measured data by means of a point target analysis

Document Type:Article
Title:Airborne Demonstration of Multichannel SAR Imaging
AuthorsInstitution or Email of Authors
Gebert, NicolasUNSPECIFIED
Queiroz de Almeida, FelipeUNSPECIFIED
Krieger, GerhardUNSPECIFIED
Date:September 2011
Journal or Publication Title:IEEE Geoscience and Remote Sensing Letters
Refereed publication:Yes
In Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 963-967
Keywords:Digital Beamforming
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Entwicklung eines Mini-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Microwaves and Radar Institute
Deposited By: Dr.-Ing. Gerhard Krieger
Deposited On:29 Jun 2011 09:21
Last Modified:07 Feb 2013 20:20

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