THE PHASE CENTRE OF A PURE MODE, SMOOTH WALL, CONICAL HORN

2008 ◽  
Vol 4 ◽  
pp. 285-298 ◽  
Author(s):  
Harry E. Green
Keyword(s):  
2007 ◽  
Vol 2007 ◽  
pp. 1-4 ◽  
Author(s):  
Chin Yeng Tan ◽  
Krishnasamy T. Selvan ◽  
Yew Meng Koh

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.


2021 ◽  
Vol 107 ◽  
pp. 102826
Author(s):  
M. Moazzami ◽  
M.R. Ayatollahi ◽  
S. Teixeira de Freitas ◽  
L.F.M. da Silva

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