Webster's Online Dictionary
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Specialty Expressions: ELECTROMAGNETIC ENVIRONMENT

ExpressionsDomainDefinition
Electromagnetic environmentMilitary1: (DOD) The resulting product of the power and time distribution, in various frequency ranges, of the radiated or conducted electromagnetic emission levels that may be encountered by a military force, system, or platform when performing its assigned mission in its intended operational environment. It is the sum of electromagnetic interference; electromagnetic pulse; hazards of electromagnetic radiation to personnel, ordnance, and volatile materials; and natural phenomena effects of lightning and precipitation static. Also called EME. (references)
  2: The totality of electromagnetic phenomena existing at a given location. (references)
Electromagnetic environment (EME)Business1) For a telecommunications system, the spatial distribution of electromagnetic fields surrounding a given site. Note: The electromagnetic environment may be expressed in terms of the spatial and temporal distribution of electric field strength (volts/meter), irradiance (watts/meter), or energy density (joules/meter). 2) The resulting product of the power and time distribution, in various frequency ranges, of the radiated or conducted electromagnetic emission levels that may be encountered by a military force, system, or platform when performing its assigned mission in its intended operational environment. It is the sum of electromagnetic interference; electromagnetic pulse; hazards of electromagnetic radiation to personnel, ordnance, and volatile materials; and natural phenomena effects of lightning and p-static. (references)

Source: compiled by the editor from various references; see credits.

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