near-field pattern

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• Near-field scanner — Electromagnetic near field scanner could be defined as a measurement system to determine a spatial distribution of an electrical quantity provided by a single or multiple field probes acquired in the near field region of a device under test… …   Wikipedia

• Electromagnetic near-field scanner — could be defined as a measurement system to determine a spatial distribution of an electrical quantity provided by a single or multiple field probes acquired in the near field region of a device under test possibly accompanied by the associated… …   Wikipedia

• Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …   Wikipedia

• Radiation pattern — Three dimensional antenna radiation patterns. The radial distance from the origin in any direction represents the strength of radiation emitted in that direction. The top shows the directive pattern of a horn antenna, the bottom shows the… …   Wikipedia

• Near-death studies — is a school of psychology and psychiatry that studies the phenomenology and after effects of a Near death experience (NDE). Contents 1 NDE (Near death experience) 2 Research history and background 3 Journal of Near …   Wikipedia

• Near North Side, Chicago — Near North Side   Community area   Community Area 08 Near North Side …   Wikipedia

• Near-death experience — NDE redirects here. For other uses, see NDE (disambiguation). Near death redirects here. For other uses, see Near death (disambiguation). Gustave Doré s depiction of the highest heaven as described by Dante Alighieri in the Paradiso A near death… …   Wikipedia

• Light field — The light field is a function that describes the amount of light traveling in every direction through every point in space. Michael Faraday was the first to propose (in an 1846 lecture entitled Thoughts on Ray Vibrations ) that light should be… …   Wikipedia

• Far-field radiation pattern — In antenna engineering, the far field is the region beyond approximately 10 wavelengths from the antenna where the spherical wave genereated appears approximately planar, which leads to simplified versions of the radiation equations. A key… …   Wikipedia

• Dark field microscopy — (dark ground microscopy) describes microscopy methods, in both light and electron microscopy, which exclude the unscattered beam from the image. As a result, the field around the specimen (i.e. where there is no specimen to scatter the beam) is… …   Wikipedia

• Wave field synthesis — (WFS) is a spatial audio rendering technique, characterized by creation of virtual acoustic environments. It produces artificial wave fronts synthesized by a large number of individually driven speakers. Such wave fronts seem to originate from a… …   Wikipedia