Dynamic Positioning
Related Terms |
SLIDE BEARING
A bearing used or positioning a slide or for axial alignment of a long rotating shaft.
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INTEGRATED NAVIGATION SYSTEM
A navigation system which comprises two or more positioning systems combined in such manner as to achieve performance better than each constituent system.
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RTG
Traveling crane used for the movement and positioning of containers in a container field. RTG's may also be used for loading and unloading containers from rail cars.
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RUBBER-TIRED GANTRY
Traveling crane used for the movement and positioning of containers in a container field. RTG's may also be used for loading and unloading containers from rail cars.
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ABSOLUTE ACCURACY
The ability of a navigation or positioning system to define an exact location in relation to a coordinate system.
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NAVY NAVIGATION SATELLITE SYSTEM
A satellite navigation system of the United States conceived and developed by the Applied Physics Laboratory of the Johns Hopkins University. It is an all-weather, worldwide, and passive system which provides two-dimensional positioning from low-altitude satellites in near-polar orbits. The Transit launch program ended in 1988, and the system is scheduled for termination in 1996, replaced by GPS.
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LONG RANGE SYSTEMS
Radionavigation systems providing positioning capability on the high seas.
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MEDIUM RANGE SYSTEMS
Those radionavigation systems providing positioning capability beyond the range of short range systems, but their use is generally limited to ranges permitting reliable positioning for about 1 day prior to making landfall; Decca is an example.
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DGPS
Differential Global Positioning System
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GPS
Global Positioning System (see GNSS)
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