Antennas: Difference between revisions

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#REDIRECT [[antenna]]
#REDIRECT [[antenna]]


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== antenna ==
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<div class="definition"><div class="short_definition">(''Also called'' aerial; sometimes the more general term [[radiator]] is used.) A conductor or  system of conductors for radiating and/or receiving radio [[energy]].</div><br/> <div class="paragraph">As used in [[radar]], the antenna is usually "directional," that is, it has the property of radiating  or receiving [[radio waves]] in larger proportion in a given direction than in others. It includes both  the basic radiating element or [[feed]] (such as [[dipole antenna]] or [[horn antenna]]) and its associated  [[reflector]] for focusing the [[energy]]. <br/>''See also'' [[waveguide]], [[loop antenna]], [[beavertail antenna]].</div><br/> </div>
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[[Category:Terms_A]]
{{Term
|Display title=antenna
|Definitions={{Definition
|Num=1
|Meaning=
(''Also called'' aerial; sometimes the more general term [[radiator]] is used.) A conductor or  system of conductors for radiating and/or receiving radio [[energy]].<br/> As used in [[radar]], the antenna is usually "directional," that is, it has the property of radiating  or receiving [[radio waves]] in larger proportion in a given direction than in others. It includes both  the basic radiating element or [[feed]] (such as [[dipole antenna]] or [[horn antenna]]) and its associated  [[reflector]] for focusing the [[energy]]. <br/>''See also'' [[waveguide]], [[loop antenna]], [[beavertail antenna]].
}}
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Revision as of 16:31, 7 November 2023

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(Also called aerial; sometimes the more general term radiator is used.) A conductor or system of conductors for radiating and/or receiving radio energy.
As used in radar, the antenna is usually "directional," that is, it has the property of radiating or receiving radio waves in larger proportion in a given direction than in others. It includes both the basic radiating element or feed (such as dipole antenna or horn antenna) and its associated reflector for focusing the energy.
See also waveguide, loop antenna, beavertail antenna.


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