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New Insights into Ambiguities in Quad-Pol SAR

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.

Full text not available from this repository.

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/
Document Type:Article
Title:New Insights into Ambiguities in Quad-Pol SAR
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Villano, MichelangeloUNSPECIFIEDhttps://orcid.org/0000-0002-1769-6927
Krieger, GerhardUNSPECIFIEDhttps://orcid.org/0000-0002-4548-0285
Moreira, AlbertoUNSPECIFIEDhttps://orcid.org/0000-0002-3436-9653
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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