778 resultados para Galileo receivers
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Satellite antenna phase center offsets for the GalileoInOrbitValidation(IOV) and FullOperationalCapability (FOC) satellites are estimated by two different analysiscenters based on tracking data of a global GNSS network. The mean x- and y-offsets could be determined with a precision of a few centimeters. However, daily estimates of thex-offsets of the IOV satellites show pronounced systematic effects with a peak-to-peak amplitude of up to 70 cm that depend on the orbit model and the elevation of the Sun above the orbital plane. For the IOV y-offsets, no dependence on the orbit model exists but the scatter strongly depends on the elevation of the Sun above the orbital plane. In general, these systematic effects are significantly smaller for the FOC satellites. The z-offsets of the two analysis centers agree within the 10–15 cm level, and the time series do not show systematic effects. The application of an averaged Galileo satellite antenna model obtained from the two solutions results in a reduction of orbit day boundary discontinuities by up to one third—even if an independent software package is used.
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Thesis (M. S.)--University of Illinois at Urbana-Champaign.
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Supplemento.
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"Prefazione universale", por Tommaso Buonaventuri: Tomo 1 pp. I-XLV. "Vita di Galileo Galilei", por Vincenzio Viviani: Tomo 1 pp. XLIX-IXXVI. "Dissertazione sovra il sistema del mondo degli antichi ebrei, del rev. padre d. Agostino Calmet": Tomo 4 pp.1-20
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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At head of title-page:- 25th Cong. 3d sess. Rep. no. 313. Ho. of Reps.
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Mode of access: Internet.
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"List of Galileo's works" : p. [1] (2nd group).
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Mode of access: Internet.
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"22 July 1960"--Change no. 2.
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"16 April 1984."