What does far-field mean?
Definitions for far-field
far-field
This dictionary definitions page includes all the possible meanings, example usage and translations of the word far-field.
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Wiktionary
far-fieldadjective
Of or pertaining to the far field, the region sufficiently distant from a radio antenna for angular field distribution to be independent of distance.
Wikipedia
far-field
The near field and far field are regions of the electromagnetic (EM) field around an object, such as a transmitting antenna, or the result of radiation scattering off an object. Non-radiative near-field behaviors dominate close to the antenna or scattering object, while electromagnetic radiation far-field behaviors dominate at greater distances. Far-field E (electric) and B (magnetic) field strength decreases as the distance from the source increases, resulting in an inverse-square law for the radiated power intensity of electromagnetic radiation. By contrast, near-field E and B strength decrease more rapidly with distance: the radiative field decreases by the inverse-distance squared, the reactive field by an inverse-cube law, resulting in a diminished power in the parts of the electric field by an inverse fourth-power and sixth-power, respectively. The rapid drop in power contained in the near-field ensures that effects due to the near-field essentially vanish a few wavelengths away from the radiating part of the antenna.
Numerology
Chaldean Numerology
The numerical value of far-field in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of far-field in Pythagorean Numerology is: 7
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"far-field." Definitions.net. STANDS4 LLC, 2024. Web. 26 Jul 2024. <https://www.definitions.net/definition/far-field>.
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