Title :
Validity of the quasi-TEM approximation for the modes supported by a horizontal wire above ground
Author :
Carpentier, M.P. ; SANTOS, A. F DOS
Author_Institution :
Universidade Técnica de Lisboa, Centro de Análise e Processamento de Sinais, Instituto Superior Técnico, Lisboa, Portugal
Abstract :
The error of the quasi-TEM approximation to the propagation constant for a horizontal wire above ground is estimated. It is shown that the error is likely to be higher for proper modes in a wide range of the parameters defining the propagation conditions.
Keywords :
transmission line theory; horizontal wire; propagation constant; proper modes; quasi transverse electromagnetic approximation; transmission line theory;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800065