The area up to one foot from the sound source.
Found on
http://www.encyclo.co.uk/local/20447
The electromagnetic field that exists within one wavelength of a source of radiation.
Found on
http://www.encyclo.co.uk/local/20510
Locations close to the sound source between the source and the far field. The near field is typically characterized by large sound pressure level variations with small changes in measurement position from the source.The sound pressure does not obey the inverse-square law and the particle velocity is not in phase with the sound pressure. See also: F...
Found on
https://www.encyclo.co.uk/local/20687
No exact match found.
