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On the Influence of the Atmosphere on Spaceborne - SAR System Calibration

Danklmayer, Andreas and Schwerdt, Marco and Tracksdorf, Patrick and Chandra, Madhu (2006) On the Influence of the Atmosphere on Spaceborne - SAR System Calibration. Kleinheubacher Tagung, 2006-09-25 - 2006-09-29, Miltenberg, Germany.

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Abstract

This contribution is concerned with the problem of identifying and estimating the influence of the atmosphere (troposphere and ionosphere) in the procedure of spaceborne SAR system calibration. As the operating frequencies are increasing the attenuation due to hydrometeors are becoming more relevant especially in the case of convective rain events. On the other hand, if lower frequencies such as L- band are applied, ionospheric propagation effects are possibly adding errors to polarimetric measurements due to a rotation of the polarization plane, well known as the Faraday rotation. First we will provide a brief review on atmospheric effects capable of influencing SAR measurements and how they could deteriorate the image quality. In a second step a discussion on the current status of the calibration strategy and activities in the context of propagation effects for TerraSAR-X, the new German Synthetic Aperture Radar remote sensing satellite, will be given.

Item URL in elib:https://elib.dlr.de/45223/
Document Type:Conference or Workshop Item (Speech)
Title:On the Influence of the Atmosphere on Spaceborne - SAR System Calibration
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Danklmayer, AndreasUNSPECIFIEDUNSPECIFIED
Schwerdt, MarcoUNSPECIFIEDUNSPECIFIED
Tracksdorf, PatrickTechnical University of Chemnitz, GermanyUNSPECIFIED
Chandra, MadhuTechnical University of Chemnitz, GermanyUNSPECIFIED
Date:September 2006
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Synthetic aperture radar, Troposphere, Ionosphere, Signal transmission, Precipitation (meteorology), Signal-attenuation, Phase delay, Calibration
Event Title:Kleinheubacher Tagung
Event Location:Miltenberg, Germany
Event Type:international Conference
Event Dates:2006-09-25 - 2006-09-29
Organizer:URSI, Germany
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 - Projekt TerraSAR-X Kalibration und Projektunterstützung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Microwave Systems
Microwaves and Radar Institute
Deposited By: Danklmayer, Dr.-Ing. Andreas
Deposited On:03 Sep 2007
Last Modified:27 Apr 2009 13:12

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