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1 ширина луча
Русско-английский новый политехнический словарь > ширина луча
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2 ширина луча
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3 горизонтальная ширина луча
1) Metallurgy: horizontal beam width2) Telecommunications: horizontal beamwidthУниверсальный русско-английский словарь > горизонтальная ширина луча
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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
radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… … Universalium
Canopy (wireless) — Motorola Canopy is a wireless networking system designed for WISPs (wireless internet service providers) that operates in both the point to point and point to multipoint architectures. Canopy can be deployed in various network topologies such as… … Wikipedia
Blip-to-scan ratio — In radar systems, the blip to scan ratio, or blip/scan, is the ratio of the number of times a target appears on a radar display to the number of times it could have been seen. [ [http://www.answers.com/topic/blip scan ratio?cat=technology blip… … Wikipedia
Motorola Canopy — Type of signal: LOS (line of sight), NLOS Maximum range (miles) 120 miles PtMP, 155 miles PtP [1] Minimum range: 500 m (The Subscriber Modules (SMs) do not like having a full blast signal) Maximum data throughput (Mbit/s) 21Mbit/s for PtMP, 300… … Wikipedia
HBW — abbr. Horizontal BeamWidth … Dictionary of abbreviations
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
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
Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll … Wikipedia
HRS type antennas — are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). History of HRS design HRS antennas were discovered during the 1920s, and as such were not originally intended for voice and music… … Wikipedia
Rhombic antenna — signal gathering action compared to other end fire, backfire and traveling wave types. A rhombic antenna is a broadband directional antenna co invented by Edmond Bruce and Harald Friis,[1] mostly commonly used in HF (high frequency, also called… … Wikipedia