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Effect of temporal decorrelation on forest height inversion using repeat pass TerraSAR-X data

Imbembo, Ernesto (2010) Effect of temporal decorrelation on forest height inversion using repeat pass TerraSAR-X data. Master's, 1Università degli Studi di Napoli Federico II.

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Abstract

The estimation of forest height in X-band using Random-Volume-over-Ground model has been demonstrated successfully several times using long wavelength airborne Pol-InSAR data. TerraSAR-X provides for the first time interferometric X-band data from space in a repeat pass mode. However, X-band is highly affected by temporal decorrelation (11 days of temporal baseline). Additionally, the available spatial baselines are formed by chance; therefore sensitivity to forest height changes between the interferometric pairs. In this study 6 interferometric X-band acquisitions were investigated. For data quality estimation interferometric coherence was calculated. Decorrelation sources have been identified and evaluated. The main factor affecting interferometric coherence is temporal decorrelation. For an outlook an optimum acquisition scenario, excluding temporal decorrelation was derived for a single pass acquisition.

Item URL in elib:https://elib.dlr.de/69125/
Document Type:Thesis (Master's)
Title:Effect of temporal decorrelation on forest height inversion using repeat pass TerraSAR-X data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Imbembo, ErnestoHRUNSPECIFIED
Date:January 2010
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Number of Pages:128
Status:Published
Keywords:TerraSAR-X, temporal decorrelation, forest height
Institution:1Università degli Studi di Napoli Federico II
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 Prosmart, Smart-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Hajnsek, Dr.rer.nat. Irena
Deposited On:02 Mar 2011 16:43
Last Modified:06 Mar 2014 14:20

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