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Estimation of Sub-Canopy Ground Height from Capon TomoSAR profiles: A Performance Analysis

Pardini, Matteo and Papathanassiou, Konstantinos (2021) Estimation of Sub-Canopy Ground Height from Capon TomoSAR profiles: A Performance Analysis. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. European Conference on Synthetic Aperture Radar (EUSAR), 2021-03-29 - 2021-04-01, virtually, Leipzig, Germany. ISSN 2197-4403.

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Synthetic Aperture Radar (SAR) waves at low frequency can penetrate through the different forest layers down to the ground. The received signal contains information not only on the 3-D distribution of the vegetation scatterers, but also on the underlying ground. Using multiple acquisitions, SAR tomographic (TomoSAR) techniques estimate vertical re-flectivity profiles, thus they enable the separation and localization of multiple backscattering contributions. The objec-tive of this paper is to discuss the capabilities of the Capon TomoSAR profiles in the estimation of the sub-canopy ground height by addressing the role of the TomoSAR acquisition configuration, the ground-to-volume ratio and the volume reflectivity profiles, and the technique used to identify the ground scatterer. The analysis is carried out by means of theoretical relationships and supported by airborne real L-band TomoSAR data acquired over a temperate forest site in the south of Germany.

Item URL in elib:https://elib.dlr.de/140452/
Document Type:Conference or Workshop Item (Speech)
Title:Estimation of Sub-Canopy Ground Height from Capon TomoSAR profiles: A Performance Analysis
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Pardini, MatteoUNSPECIFIEDhttps://orcid.org/0000-0003-2018-7514UNSPECIFIED
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Forest, terrain topography, synthetic aperture radar tomography (TomoSAR), Capon spectral estimator.
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:virtually, Leipzig, Germany
Event Type:international Conference
Event Dates:2021-03-29 - 2021-04-01
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 > Radar Concepts
Deposited By: Pardini, Dr.-Ing. Matteo
Deposited On:14 Jan 2021 15:35
Last Modified:30 Nov 2021 14:07

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