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An analysis of GDOP in global positioning system navigationThe accuracy of user navigation fix based on the NAVSTAR global positioning system is described. The trace of this matrix serves as a convenient navigation performance index and the square root of the trace is called geometric dilution of precision (GDOP). Certain theoretical results concerning the general properties of the navigation performance are derived. An efficient algorithm for the computation of GDOP is given. Applications of the results are illustrated by numerical examples.
Document ID
19810002571
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Fang, B. T. (Computer Sciences Corp. Silver Spring, MD, United States)
Date Acquired
August 11, 2013
Publication Date
October 1, 1980
Publication Information
Publication: NASA. Goddard Space Flight Center Fifth Ann. Flight Mech.(Estimation Theory Symp.
Subject Category
Astrodynamics
Accession Number
81N11079
Funding Number(s)
CONTRACT_GRANT: NAS5-24300
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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