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Time and Reference Systems

Jekeli, Christopher and Montenbruck, Oliver (2017) Time and Reference Systems. In: Springer Handbook of Global Navigation Satellite Systems Springer. pp. 25-58. doi: 10.1007/978-3-319-42928-1. ISBN 978-3-319-42926-7.

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Geodesy is the science of the measurement and mapping of the Earth’s surface, and in this context it is also the science that defines and realizes coordinates and associated coordinate systems. Geodesy thus is the foundation for all applications of global navigation satellite system (GNSS). This chapter presents the reference systems needed to describe coordinates of points on the Earth’s surface or in near space and to relate coordinate systems among each other, as well as to some absolute system, visually, a celestial system. The topic is primarily one of geometry, but the geodynamics of the Earth as a rotating body in the solar system plays a fundamental role in defining and transforming coordinate systems. Therefore, also the fourth coordinate, time, is critical not only as the independent variable in the dynamical theories, but also as a parameter in modern geodetic measurement systems. Instead of expounding the theory of geodynamics and celestial mechanics, it is sufficient for the purpose of this chapter to describe the corresponding phenomena, textually, analytically and illustratively, in order to give a sense of the scope of the tasks involved in providing accurate coordinate reference systems not just to geodesists, but to all geoscientists.

Item URL in elib:https://elib.dlr.de/112038/
Document Type:Book Section
Title:Time and Reference Systems
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Jekeli, ChristopherOhio State UniversityUNSPECIFIED
Montenbruck, Oliverdlr/gsochttps://orcid.org/0000-0003-4783-745X
Journal or Publication Title:Springer Handbook of Global Navigation Satellite Systems
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 25-58
EditorsEmailEditor's ORCID iD
Teunissen, PetercutUNSPECIFIED
Montenbruck, Oliverdlr/gsocUNSPECIFIED
Keywords:Time, Reference Systems, GNSS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Vorhaben Infrastruktur und Unterstützung für Raumflugbetrieb (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training
Deposited By: Montenbruck, Dr.rer.nat.hab. Oliver
Deposited On:28 Apr 2017 15:53
Last Modified:28 Apr 2017 15:53

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