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Propagation Effects for Satellite Mounted Radars and Remote Sensing by Active Microwave SAR Sensors for Frequencies of X-band up to Ka-band

Danklmayer, Andreas und Chandra, Madhu (2011) Propagation Effects for Satellite Mounted Radars and Remote Sensing by Active Microwave SAR Sensors for Frequencies of X-band up to Ka-band. URSI Commission F - Open Symposium on Propagation and Remote Sensing, 2011-03-08 - 2011-03-11, Garmisch-Partenkirchen, Germany.

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Kurzfassung

Since the development of microwave sensors using higher frequency bands is topical and on the agenda of several space agencies, there is an actual demand to further investigate tropospheric propagation effects and related issues in more detail. We address the problem of tropospheric propagation for satellite mounted radars and remote sensing by active microwave SAR sensors for frequencies of X-band, up to Ka-band. Strong effects can be observed due to attenuation from rain including backscattering; where fog, clouds and gaseous attenuation also, come into play for propagating signals in the respective higher bands. We estimate and quantify the probability of occurrence of diverse effects and show how attenuation due to rain might lead to useful information about the rain intensity. Such intensity measurements of precipitation are sought in regions where ground based weather radars are lacking and are in need for modelling of precipitation effects and probabilities of attenuation for communication applications. Not only point-to-point line-of-sight measurements are required but areal information of attenuation also, which can be considered as a potential application to be deduced from two-dimensional synthetic aperture radar images. Measurements from highly-successful recently-launched TanDEM-X/ Terra-SAR-X sensors will be used for analysis and illustration.

elib-URL des Eintrags:https://elib.dlr.de/68942/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Propagation Effects for Satellite Mounted Radars and Remote Sensing by Active Microwave SAR Sensors for Frequencies of X-band up to Ka-band
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Danklmayer, AndreasNICHT SPEZIFIZIERTNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Chandra, MadhuTUC, Technical University of Chemnitz, GermanyNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:9 März 2011
Referierte Publikation:Ja
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:remote sensing, wave propagation, SAR, X-band, Ka-band, microwave imaging, propagation effects, attenuation, scattering, rain attenuation modelling
Veranstaltungstitel:URSI Commission F - Open Symposium on Propagation and Remote Sensing
Veranstaltungsort:Garmisch-Partenkirchen, Germany
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:8 März 2011
Veranstaltungsende:11 März 2011
Veranstalter :URSI - International Union of Radio Science
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W - Vorhaben SAR-Expert-Support-Lab (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Hochfrequenztechnik und Radarsysteme > Radarkonzepte
Hinterlegt von: Danklmayer, Dr.-Ing. Andreas
Hinterlegt am:10 Feb 2011 14:11
Letzte Änderung:24 Apr 2024 19:34

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