- directive gain antenna
- направленная антенна
English-russian dictionary of physics. 2013.
directive gain antenna
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Directive gain — In telecommunications, the term directive gain has the following meanings: 1. Of an antenna, the ratio of 4π times the radiant intensity in a given direction ( i.e. , power radiated per unit solid angle), to the total power.The directive gain is… … 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 (radio) — Whip antenna on car … Wikipedia
Antenna diversity — Antenna diversity, also known as space diversity, is one in a superset of wireless diversity schemes that utilizes two or more antennas to improve the quality and reliability of a wireless link. Often, especially in urban and indoor environments … Wikipedia
Microstrip antenna — In telecommunication, there are several types of microstrip antennas (also known as printed antennas) the most common of which is the microstrip patch antenna or patch antenna. A patch antenna is a narrowband, wide beam antenna fabricated by… … Wikipedia
directive antenna gain — kryptinės antenos stiprinimo koeficientas statusas T sritis radioelektronika atitikmenys: angl. directive antenna gain vok. Antennenrichtungsgewinn, m rus. коэффициент направленного действия антенны, m pranc. gain d une antenne dirigée, m … Radioelektronikos terminų žodynas
gain d'une antenne dirigée — kryptinės antenos stiprinimo koeficientas statusas T sritis radioelektronika atitikmenys: angl. directive antenna gain vok. Antennenrichtungsgewinn, m rus. коэффициент направленного действия антенны, m pranc. gain d une antenne dirigée, m … Radioelektronikos terminų žodynas
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … 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
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
HRS antenna — HRS type antennas are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). Contents 1 History of HRS design 2 Nomenclature 3 A versatile antenna type … Wikipedia
