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.
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|Title:||Estimation of the Minimum Number of Tracks for SAR Tomography|
|Journal or Publication Title:||IEEE Transactions on Geoscience and Remote Sensing|
|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|
|HGF - Program:||Space|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Vorhaben Flugzeug-SAR (old)|
|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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