游牧
发表于 2025-3-21 18:37:42
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APEX
发表于 2025-3-21 20:20:19
https://doi.org/10.1007/978-3-7091-3293-7Fundament; addition; boundary element method; computation; design; management; navigation; planning; project
white-matter
发表于 2025-3-22 04:26:41
Public Policy Issues: Key PointersLos Angeles Air Force Base (AFB). In 1973, the JPO was directed by the U.S. Department of Defense (DoD) to establish, develop, test, acquire, and deploy a spaceborne positioning system. The present NAVigation System with Timing And Ranging (NAVSTAR) Global Positioning System (GPS) is the result of this initial directive.
enchant
发表于 2025-3-22 06:02:34
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Perceive
发表于 2025-3-22 09:01:45
Overview of GPS,Los Angeles Air Force Base (AFB). In 1973, the JPO was directed by the U.S. Department of Defense (DoD) to establish, develop, test, acquire, and deploy a spaceborne positioning system. The present NAVigation System with Timing And Ranging (NAVSTAR) Global Positioning System (GPS) is the result of this initial directive.
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发表于 2025-3-22 16:58:51
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群居男女
发表于 2025-3-22 19:19:37
Cataract Surgery in Vitrectomized Eyes,Consider the basic observation equation which relates the range ϱ with the instantaneous position vector . of a satellite and the position vector . of the observing site:
evasive
发表于 2025-3-23 00:24:26
Practice of Resolving Business Problems,The applications of GPS depend substantially on knowing the satellite orbits. For single receiver positioning an orbital error is strongly correlated with the positional error. In relative positioning (according to a rule of thumb) relative baseline errors are equal to relative orbital errors.
浸软
发表于 2025-3-23 01:24:15
Vangelis Vragoteris,Giorgos GritzasThis chapter mainly concerns the practical aspects of GPS surveying and addresses planing, performance, and in situ data processing. Overlapping with other chapters is intentional to provide complete information in a single chapter for readers more interested in practical considerations.
怒目而视
发表于 2025-3-23 07:20:39
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