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Parabolic antenna

A parabolic antenna is an antenna that uses a parabolic reflector, a curved surface with the cross-sectional shape of a parabola, to direct the radio waves. The most common form is shaped like a dish and is popularly called a dish antenna or parabolic dish. It functions similarly to a searchlight or flashlight reflector to direct radio waves in a narrow…

History & Measurement

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Overview

Design

Types

Feed pattern

Gain

Radiation pattern

History

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Parabolic antenna

Nodes139
Edges138
Triples90
Avg. degree1.99
Density0.014388
Components1

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Parabolic antenna

Top relations

related to history · 28
Parabolic antenna → Alaska, Arecibo, Augusto Righi's, Bad Münstereifel, Cassegrain, China's Five-hundred-meter Aperture Spherical, Effelsberg, Germany, GHz, Gregorian, Grote Reber, Heinrich Hertz, Hendon, Inchkeith Island, It, Marconi, Marconi's, MHz, Missile Early Warning System, Part
related to Types · 12
Parabolic antenna → Cylindrical, It, Modern, Parabolic, Paraboloidal, Shaped-beam, Shrouded, Shrouds, Sometimes, The, This, Two
related to Feed antenna · 10
Parabolic antenna → At, Because, Cassegrain, Gregorian, IF, In, RF, Similarly, The, This
related to External links · 7
Parabolic antenna → Media, Parabolic, Parabolic Dish Antenna, Propagation, Wikimedia Commons Animation, Wiktionary-logo-en-v2, YouTube
related to Polarization · 5
Parabolic antenna → Each, For, In, The, To
related to Radiation pattern · 4
Parabolic antenna → In, Since, The, There
related to Beamwidth · 3
Parabolic antenna → For, HPBW, The
related to Design · 3
Parabolic antenna → Conversely, In, The
is a · 1
Parabolic antenna → antenna that uses a parabolic reflector
used for · 1
Parabolic antenna → satellite communications was constructed in 1962 at Goonhilly in Cornwall

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Important terminology

antenna feed parabolic antennas dish radio used reflector beam gain waves aperture radiation polarization pattern microwave displaystyle one satellite narrow

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Parabolic antennais aantenna that uses a parabolic reflector0.90text
microwave relay links that carry telephoneinstance ofin applications0.80text
television signals between nearby citiesinstance ofin applications0.80text
wireless WAN/LAN links for data communicationsinstance ofin applications0.80text
satellite communicationsinstance ofin applications0.80text
and spacecraft communication antennasinstance ofin applications0.80text
the Cassegrain.Parabolic antennas are also classified by the type of feedinstance ofThey are often used with secondary reflector antennas0.80text
that isinstance ofThey are often used with secondary reflector antennas0.80text
how the radio waves are supplied to the antennainstance ofThey are often used with secondary reflector antennas0.80text
the Cassegraininstance ofOffset feed can also be used in multiple reflector designs0.80text
Gregorianinstance ofOffset feed can also be used in multiple reflector designs0.80text
below.Cassegraininstance ofOffset feed can also be used in multiple reflector designs0.80text

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