Villano, Michelangelo and Krieger, Gerhard and Moreira, Alberto (2017) New Insights into Ambiguities in Quad-Pol SAR. IEEE Transactions on Geoscience and Remote Sensing, 55 (6), pp. 3287-3308. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TGRS.2017.2667886. ISSN 0196-2892.
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Official URL: http://ieeexplore.ieee.org/document/7876738/
Abstract
Quadrature-polarimetric (quad-pol) synthetic aperture radar (SAR) is a well-established technique which has numerous applications in remote sensing. However, spaceborne quad-pol SAR systems are often constrained by severe range and azimuth ambiguities. A deep understanding of the nature of ambiguities in conventional, hybrid, and ±π/4 quad-pol SAR allows a correct evaluation of the ambiguity-to-signal ratio and the design of systems optimized for ambiguity suppression. In that respect azimuth phase coding and merging data available from both cross-polarized channels play an important role. The results of this work are relevant not only for the design of future spaceborne quad-pol SAR systems, including staggered SAR ones, but also for the optimal exploitation of quad-pol SAR systems currently in operation.
Item URL in elib: | https://elib.dlr.de/111509/ | ||||||||||||
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Document Type: | Article | ||||||||||||
Title: | New Insights into Ambiguities in Quad-Pol SAR | ||||||||||||
Authors: |
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Date: | June 2017 | ||||||||||||
Journal or Publication Title: | IEEE Transactions on Geoscience and Remote Sensing | ||||||||||||
Refereed publication: | Yes | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | Yes | ||||||||||||
In ISI Web of Science: | Yes | ||||||||||||
Volume: | 55 | ||||||||||||
DOI: | 10.1109/TGRS.2017.2667886 | ||||||||||||
Page Range: | pp. 3287-3308 | ||||||||||||
Publisher: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||
ISSN: | 0196-2892 | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | Ambiguities, azimuth phase coding (APC), circular polarization, quadrature polarimetric (quad-pol), synthetic aperture radar (SAR). | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
HGF - Program: | Space | ||||||||||||
HGF - Program Themes: | Earth Observation | ||||||||||||
DLR - Research area: | Raumfahrt | ||||||||||||
DLR - Program: | R EO - Earth Observation | ||||||||||||
DLR - Research theme (Project): | R - Vorhaben Tandem-L Vorstudien (old) | ||||||||||||
Location: | Oberpfaffenhofen | ||||||||||||
Institutes and Institutions: | Microwaves and Radar Institute Microwaves and Radar Institute > Radar Concepts | ||||||||||||
Deposited By: | Villano, Dr.-Ing. Michelangelo | ||||||||||||
Deposited On: | 20 Mar 2017 08:05 | ||||||||||||
Last Modified: | 08 Mar 2018 18:35 |
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