H-field antenna

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• Crossed field antenna — A crossed field antenna, or CFA, is a type of antenna for long and mediumwave broadcasting, patented in 1986, which was claimed to have the same efficiency as a conventional antenna but only one tenth the overall height. The invention was… …   Wikipedia

• Cross-Field-Antenna — (kurz CFA), auch EH Antenne genannt, ist die Bezeichnung für einen Antennentyp für Langwelle, Mittelwelle und Kurzwelle, bei dem die elektrische (E) und die magnetische (H) Feldkomponente der zu erzeugenden elektromagnetischen Welle jeweils in… …   Deutsch Wikipedia

• Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… …   Wikipedia

• Antenna gain — is defined as the ratio of the radiation intensity of an antenna in a given direction, to the intensity of the same antenna as it radiates in all directions (isotropically). Since the radiation intensity of an isotropically radiated power is… …   Wikipedia

• Antenna (radio) — Whip antenna on car …   Wikipedia

• Field (physics) — The magnitude of an electric field surrounding two equally charged (repelling) particles. Brighter areas have a greater magnitude. The direction of the field is not visible …   Wikipedia

• Antenna effective area — In telecommunication, antenna effective area or effective aperture is the functionally equivalent area from which an antenna directed toward the source of the received signal gathers or absorbs the energy of an incident electromagnetic wave. Note …   Wikipedia

• Antenna factor — In telecommunications, the antenna factor AF (unit: 1/m) is defined as the ratio of the incident electromagnetic field strength E (units: V/m or µV/m) to the voltage V (units: V or µV) on the line connection of an antenna:: AF = frac EVIf all… …   Wikipedia

• Field strength — In physics, the field strength of a field is the magnitude of its vector value.In theoretical physics, field strength is another name for the curvature form. For the electromagnetic field, the curvature form is an antisymmetric matrix whose… …   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

• 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