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...

pattern may be found using a near-field scanner, and the radiation pattern deduced from it by computation. The far-field radiation pattern can also be...

Thus, EMR is sometimes referred to as the far field, while the near field refers to EM fields near the charges and current that directly produced them, specifically...

Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres...

oxygen. A changing electromagnetic field which is physically close to currents and charges (see near and far field for a definition of "close") will have...

categories: Near and far field. In near field or non-radiative techniques, power is transferred over short distances by magnetic fields using inductive...

sub-wavelength resolution at visible wavelengths using near-field optical techniques. Arago spot Near and far field, the general principle in electromagnetism Ohtsu...

create a field near the AUT that looks approximately like a plane-wave. The far-field range was the original antenna measurement technique, and the simplest;...

than the excitation wavelength, resulting in an evanescent field (or near-field) on the far side of the aperture. When the sample is scanned at a small...

has a wavelength (λ) of 22.1 meters. The crossover point between near-field and far-field occurs at approximately λ/2π. At this frequency the crossover occurs...

define the near and far field approximations. Essentially, if Fresnel number is small – less than roughly 1 – the beam is said to be in the far field. If Fresnel...

diameter) and λ {\displaystyle {\lambda }} is the wavelength of the radio wave. This distance provides the limit between the near and far field, allowing...

radiometry and scalar diffraction in a manner that emphasizes physical understanding. Another derivation is to take the far-field limit of the near-field transmission...

waves, there are optical fields, and terms such as near- and far-field limits for diffraction. In practice though, the field theories of optics are superseded...

microwave antennas. Determination of a far-field radiation pattern constitutes the primary application of antenna near-field scanners. This novel technique offered...

this phenomenon. These are the near field radiation and the far field radiation. As implied by its description, the far field escapes beyond the object. It...

The Poppy Field near Argenteuil (French: Coquelicots) is an oil-on-canvas landscape painting by the French Impressionist Claude Monet, completed in 1873...

Kennelly–Heaviside layer Link budget Mobility model Nakagami fading Near and far field Propagation graph Radio atmospherics Radio frequency Radio horizon...

(primary and secondary) and a core: the current in the primary wire generates a magnetic field in the core, which in turn induces an electric field in the...

as though it were static - hence it is called quasi-static. See near and far field and multipole expansion. In particular, the inverse distance 1 / ‖ x...

speckles near-field speckles. See near and far field for a more rigorous definition of "near" and "far". The statistical properties of a far-field speckle...

produced both in the near and far fields, routinely recorded and surveyed in recent events, very often remembered in historical accounts and preserved in the...

terms were used before then with local British and American meanings: the near or far east of a field, village or shire. There was a linguistic predisposition...

wave equation Mathematical descriptions of the electromagnetic field Near and far field Sinusoidal plane-wave solutions of the electromagnetic wave equation...

signals. Bell test experiments Delayed-choice quantum eraser Light Near and far field Quantum teleportation SETI Institute Synchronicity Wheeler–Feynman...

of Electrical and Electronics Engineers (IEEE) in 2014 (IEEE Antennas & Propagation Society) for his contributions to near-to-far field radar signature...

defined by a field of view angle (in the 'y' direction), as well as an aspect ratio. Further, a set of z-planes define the near and far bounds of the...

Last and First Men: A Story of the Near and Far Future is a "future history" science fiction novel written in 1930 by the British author Olaf Stapledon...

simultaneously and bidirectionally. The additional wire pair usage and growing bandwidth increases the need to keep NEXT in check. Far-end crosstalk (FEXT)...

interacts with the near field, in which the phase-to-distance relation is not governed by propagation delay, as would be the case in the far field. Thus, the...