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A mobile, L-band, active electronically scanned array (AESA) 3-dimensional air search radar first produced by GE Aerospace. The system offered instrumented detection at ranges on the order of 200 to 250 nautical miles (370 to 460 km; 230 to 290 mi) and had a wide variety of interference and clutter rejection systems.
GAGAN will increase safety by using a three-dimensional approach operation with course guidance to the runway, which will reduce the risk of controlled flight into terrain i.e., an accident whereby an airworthy aircraft, under pilot control, inadvertently flies into terrain, an obstacle, or water. [10]
The Next Generation Science Standards is a multi-state effort in the United States to create new education standards that are "rich in content and practice, arranged in a coherent manner across disciplines and grades to provide all students an internationally benchmarked science education."
Geographic information system (GIS) approaches have been significant in recent times influencing the development and conceptualization of 3D tactical analysis. [14] This has been described as a "look-around" approach to thinking tactically in three dimensions, and accommodating the full complexity of multidimensional environments.
A weather-adaptive three-dimensional variational data assimilation (3DVAR) system from NSSL/CIWRO automatically detects and analyzes supercell thunderstorms. The 3DVAR system uses data from the national WSR-88D radar network and NCEP's North American Mesoscale model product to automatically locate regions of thunderstorm activity.
Ogiek Peoples visualising their traditional spatial knowledge on a 1:10,000 scale participatory 3D model, Nessuit, Mau Forest Complex, Kenya. Participatory 3D modelling (P3DM) is a community-based mapping method which integrates local spatial knowledge with data on elevation of the land and depth of the sea to produce stand-alone, scaled and geo-referenced relief models.
Antibiotic use was not associated with an increased risk of cognitive impairment and dementia in healthy older adults, according to a recent study.
ROMS is a 4D modeling system. It is a 3-dimensional model (a 2D horizontal grid and a vertical grid) that can be run over a given amount of time, time being the 4th dimension. It is gridded into vertical levels that make up the water column and horizontal cells that make up the coordinates of the 2D cartesian plane of the model region.