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Estimation of the Minimum Number of Tracks for SAR Tomography

Nannini, Matteo and Scheiber, Rolf and Moreira, Alberto (2009) Estimation of the Minimum Number of Tracks for SAR Tomography. IEEE Transactions on Geoscience and Remote Sensing, 47 (2), pp. 531-543. ISSN 0196-2892.

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SAR Tomography (SARTom) is the natural extension of SAR Interferometry (InSAR) to solve for multiple phase centers within a resolution cell and obtain the 3-dimensional (3D) representation of a scene. This paper deals with the determination of the minimum number of tracks required to perform SARTom. Through the prolate spheroidal wave functions, the number of equivalent targets of a volumetric source is derived and from it, the minimum number of observations required to apply subspace super-resolution methods is computed. The minimum tomographic aperture length is also investigated. The results are validated on real data acquired in L-band by the E-SAR system of the German Aerospace Center.

Document Type:Article
Additional Information:©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE
Title:Estimation of the Minimum Number of Tracks for SAR Tomography
AuthorsInstitution or Email of Authors
Nannini, MatteoUNSPECIFIED
Moreira, AlbertoUNSPECIFIED
Date:February 2009
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
In Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 531-543
Keywords:SAR Tomography, super-resolution, system dimension.
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 Flugzeug-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Matteo Nannini
Deposited On:16 Dec 2008
Last Modified:07 Feb 2013 20:23

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