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Derivation of Conditions for the Normal Gain Behavior of Conical Horns
Author(s) -
Chin Yeng Tan,
Krishnasamy T. Selvan,
Yew Meng Koh
Publication year - 2007
Publication title -
international journal of antennas and propagation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.282
H-Index - 37
eISSN - 1687-5877
pISSN - 1687-5869
DOI - 10.1155/2007/32345
Subject(s) - conical surface , aperture (computer memory) , french horn , optics , mathematics , geometry , physics , acoustics
Monotonically increasing gain-versus-frequency pattern is in general expected to be a characteristic of aperture antennas that include the smooth-wall conical horn. While optimum gain conical horns do naturally exhibit this behavior, nonoptimum horns need to meet certain criterion: a minimum axial length for given aperture diameter, or, alternatively, a maximum aperture diameter for the given axial length. In this paper, approximate expressions are derived to determine these parameters

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