half-power beamwidth


half-power beamwidth
ширина дн по уровню половинной мощности
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ширина луча по уровню половинной мощности

English-Russian dictionary of telecommunications. 2015.

Смотреть что такое "half-power beamwidth" в других словарях:

  • Beamwidth — In telecommunication, the term beamwidth has the following meanings: 1. In the radio regime, of an antenna pattern, the angle between the half power ( 3 dB) points of the main lobe, when referenced to the peak effective radiated power of the main …   Wikipedia

  • beamwidth — /ˈbimwɪdθ/ (say beemwidth) noun a measurement of the area in which a directional transmitting device is effective, commonly taken to be the angle formed by the transmitter and any two points equidistant from it, at which the power received is… …   Australian English dictionary

  • 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

  • Directivity — Diagram showing directivity In electromagnetics, directivity is a figure of merit for an antenna. It measures the power density the antenna radiates in the direction of its strongest emission, versus the power density radiated by an ideal… …   Wikipedia

  • New Horizons — For other uses, see New Horizons (disambiguation). New Horizons Operator NASA Major contractors Applied Physics Laboratory (APL) Southwest Research Institute (SwRI) …   Wikipedia

  • Omnidirectional antenna — The radiation pattern of a simple omnidirectional antenna, a vertical half wave dipole antenna. In this graph the antenna is at the center of the donut . Radial distance from the center represents the power radiated in that direction. The power… …   Wikipedia

  • Helical antenna — Helical antennas can operate in one of two principal modes: normal (broadside) mode or axial (or endfire) mode.In the normal mode , the dimensions of the helix are small compared with the wavelength. The far field radiation pattern is similar to… …   Wikipedia

  • ширина луча по уровню половинной мощности — Угловой сектор внутри главного лепестка диаграммы направленности, в котором спектр излучаемой мощности на 3 дБ ниже его пикового значения. [Л.М. Невдяев. Телекоммуникационные технологии. Англо русский толковый словарь справочник. Под редакцией… …   Справочник технического переводчика

  • ширина полосы (частот) по уровню половинной мощности — (МСЭ R F.1509). [http://www.iks media.ru/glossary/index.html?glossid=2400324] Тематики электросвязь, основные понятия EN half power beamwidthHPBW …   Справочник технического переводчика

  • Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …   Wikipedia

  • Main lobe — A polar antenna radiation diagram. The radial distance from the center represents signal strength. The main lobe, or main beam, of an antenna radiation pattern is the lobe containing the maximum power. This is the lobe that exhibits the greatest… …   Wikipedia


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