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Antenna Array

Antenna array

Complex directional antenna consists of separate near-omnidirectional antennas (radiating elements) positioned in the space and driven by high-frequency …

(from 'Glossary' of our web–site)

Optical Fresnel–Zone Gain of a Rectangular Aperture

Published: 12/07/2005
Language: english
Original: IRE Transactions Antennas and Propagation, 1956, №1 (January), p.p.65…69
© C. Polk, 1956. All rights reserved.

An equation for the on-axis gain of a uniformly illuminated rectangular aperture is derived which is valid in the Optical Fresnel Zone. This equation is formulated in terms of the ordinary radiation field gain multiplied by a correction factor which depends upon the aperture dimensions and the distance, R, from the aperture at which the gain is measured.

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GuidesArray Coaxial 0.1.2

GuidesArray Coaxial™ is used by engineers for projecting and exploring the characteristics of two-dimensional periodic phased antenna arrays for coaxial waveguides.


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