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ANSAS- A Microwave Imaging Spectrometer - First Measurment Results

Jirousek, Matthias and Peichl, Markus and Süß, Helmut (2009) ANSAS- A Microwave Imaging Spectrometer - First Measurment Results. In: Proceedings of the International Radar Symposium (IRS). International Radar Symposium (IRS), 2009-09-09 - 2009-09-11, Hamburg, Germany.

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In the last decades the monitoring of the environment becomes more and more important. In order to understand the geophysical relations many parameters must be observed on a global scale. The observation with microwave sensors on a space-borne or airborne platform provides a major contribution to this topic. The estimation of geophysical parameters from an isolated single microwave measurement is often accompanied by a high uncertainty. Hence polarimetric or multi-spectral measurements can be used to minimize this. Another important issue is the spatial resolution that has a direct impact on the physical dimensions of the sensor. DLR has developed the ANSAS instrument that offers a combination of passive high-resolution aperture synthesis imaging together with spectral sensing capabilities. The operation at a lower frequency range allows a high penetration depth in order to extract information about the surface and sub-surface or hidden objects. In combination with the aperture syntheses imaging principle the advantages of having various frequencies can additionally enhance the overall imaging capability. In this paper the basic idea of the experimental system ANSAS is presented, the setup and receiver assembly is outlined, and some first imaging results showing the capabilities of the concept are illustrated.

Item URL in elib:https://elib.dlr.de/61690/
Document Type:Conference or Workshop Item (Speech, Paper)
Title:ANSAS- A Microwave Imaging Spectrometer - First Measurment Results
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:Proceedings of the International Radar Symposium (IRS)
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iDORCID Put Code
German Institute of Navigation - Deutsche Gesellschaft für Ortung und Navigation e.V. (DGON), (DGON)UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Keywords:Spectral imaging, aperture synthesis, radiometry
Event Title:International Radar Symposium (IRS)
Event Location:Hamburg, Germany
Event Type:international Conference
Event Start Date:9 September 2009
Event End Date:11 September 2009
Organizer:German Institute of Navigation - Deutsche Gesellschaft für Ortung und Navigation e.V. (DGON)
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 sicherheitsrelevante Erdbeobachtung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Jirousek, Dr.-Ing. Matthias
Deposited On:15 Dec 2009 14:41
Last Modified:24 Apr 2024 19:26

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