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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Design and Performance Analysis of 10 GHz Horn Antenna

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Author Mousumi Aktar, Mahzuba Islam, Mohammed Shafiqul Islam
ISSN 2225-7217
On Pages 427-431
Volume No. 2
Issue No. 5
Issue Date June 01, 2012
Publishing Date June 01, 2012
Keywords Radiation pattern; Beam width; Flare angle; Directivity.



Abstract

This paper observes the field pattern, radiation pattern, directivity of horn antenna. In E-plane sectoral horn, the E-plane pattern is found to be much narrower than the H-plane because of the flaring and larger dimensions of the horn in that direction. In H-plane sectoral horn, the H-plane pattern is much narrower than the E-plane because of the flaring and larger dimensions of the horn in that direction. The pattern of a pyramidal horn is very narrow in both planes. In this case ,the maximum does not occur on axis because the phase error taper at the aperture is such that the rays emanating from the different parts of the aperture toward the axis are not in phase and do not add constructively. For small aperture dimension (vertical length b1 & horizontal length a1) & larger horn length (?1), the pattern becomes narrower & beam width also increases for increasing aperture dimension and for decreasing horn length.


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2012 ARPN Publishers