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Antenna aperture
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As an emitter, antenna aperture is the diameter of the cross-section of an antenna's radiation pattern in the direction of highest gain. This is frequently assumed to be circular and given as a radius or the degree of the radiation cone.
As a receiver, antenna aperture is the diameter of a circle constructed broadside to incoming radiation where all radiation passing within the circle is absorbed by the antenna.
See "Antenna (radio)" for more details.
Last updated: 05-09-2005 21:14:08
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details