恶名声
发表于 2025-4-1 02:28:29
Conference proceedings 2008Satellite Communications and Navigation Systems publishes the proceedings of the 2006 Tyrrhenian International Workshop on Digital Communications. The book focuses on the integration of communication and navigation systems in satellites.
OUTRE
发表于 2025-4-1 09:58:15
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BIAS
发表于 2025-4-1 10:46:29
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他去就结束
发表于 2025-4-1 17:42:48
Galileo Rubidium Standard and Passive Hydrogen Maser Current Status and New Developmentser (PHM) and the Rubidium Atomic Frequency Standard (RAFS) constitute respectively the master and the hot-redundant clock of Galileo Satellite Navigation System. Their development has been continuously supported by ESA..This article gives a general overview on the RAFS and the PHM current status and the new developments foreseen.