near field (English, noun)
expansion: near field (plural near fields)
Senses:
qualifier: acoustics
glosses: 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.
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glosses: The region within about half a wavelength from an electrically small antenna. More specifically it is the region within the radiansphere.
Forms:
form: near fields
tags: plural
form: near-field
tags: alternative