Title :
Eigenvalues of TE11- and TM11-modes in conical horn antennas
Author_Institution :
ELAB, Elektronikklaboratoriet ved NTH, Trondheim, Norway
Abstract :
Approximate closed-form expression for the eigenvalues of TE11- and TM11-modes in conical waveguides have been developed. The accuracy of these expressions is a function of the flare angle of the horn, being in excellent agreement with exact values.
Keywords :
antenna theory; directive antennas; eigenvalues and eigenfunctions; waveguide antennas; Legendre functions; TE11 modes; TM11-modes; closed-form expression; conical horn antennas; conical waveguides; eigenvalues; flare angle;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840269
