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In-Orbit Analysis of Antenna Pattern Anomalies of GNSS Satellites

Thoelert, Steffen and Meurer, Michael and Erker, Stefan (2012) In-Orbit Analysis of Antenna Pattern Anomalies of GNSS Satellites. Navigation, 59 (2), pp. 135-144. Wiley. ISSN 0028-1522

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Abstract

The payload of a typical navigation satellite encounters heavy strains during launch. This indicates the need to characterize and assess the antenna and consequently the total signal performance of a satellite in orbit. Using ground measurements with a high gain antenna seems to be a powerful basis for this analysis. This paper introduces the used measurement facility and strategies for obtaining a sufficient amount of measurement data based on the used simplified satellite attitude and yaw steering model. The analysis algorithms will be described in detail and as a side product itwill be shown that transmitter power variations of the navigation satellite over time can be characterized and separated from the pure influence of the satellite antenna. The last section presents the exemplary antenna pattern characterization for the second Galileo test satellite GIOVE-B (Galileo In-Orbit Validation Element) based on calibrated flux density measurements taken with DLR’s 30 m high gain antenna for the E1 frequency band.

Item URL in elib:https://elib.dlr.de/76428/
Document Type:Article
Title:In-Orbit Analysis of Antenna Pattern Anomalies of GNSS Satellites
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Thoelert, SteffenIKNUNSPECIFIED
Meurer, MichaelIKNUNSPECIFIED
Erker, StefanIKNUNSPECIFIED
Date:July 2012
Journal or Publication Title:Navigation
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:59
Page Range:pp. 135-144
Publisher:Wiley
Series Name:NAVIGATION Journal of the Institute of Navigation
ISSN:0028-1522
Status:Published
Keywords:GNSS, Antenna Pattern, GIOVE-B, Galileo
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Communication and Navigation
DLR - Research area:Raumfahrt
DLR - Program:R KN - Kommunikation und Navigation
DLR - Research theme (Project):R - Vorhaben GNSS2/Neue Dienste und Produkte
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation > Navigation
Deposited By: Thölert, Steffen
Deposited On:06 Feb 2013 09:54
Last Modified:06 Sep 2019 15:28

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