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See also: nearfield and near-field

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EnglishEdit

 
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NounEdit

near field (plural near fields)

  1. (acoustics) The region within a distance a fraction of a wavelength from a sound source. Accordingly, the outer boundary of the near-field region is closer for high-pitched sound than for low-pitched sound.
  2. (electronics, communication) The region within about half a wavelength from an electrically small antenna[1]. More specifically it is the region within the radiansphere[2].

Derived termsEdit

ReferencesEdit

  1. ^ Charles Capps, Near field or far field? EDN, August 16, 2001, pp. 95-102.
  2. ^ Wheeler, H.A.; "The Radiansphere around a Small Antenna"; Proceedings of the IRE Aug. 1959, Volume: 47 Issue:8 pp: 1325 - 1331. 10.1109/JRPROC.1959.287198