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Moment method analysis of linearly tapered slot antennas

✍ Scribed by Köksal, Adnan ;Kauffman, J. Frank

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
1009 KB
Volume
4
Category
Article
ISSN
1050-1827

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✦ Synopsis

Abstract

An accurate Method of Moments (MoM) model is developed and implemented for the analysis of the linearly tapered slot antenna (LTSA). The model employs an unequal size reactangular sectioning for conducting parts of the antenna. Piecewise sinusoidal basis functions are used for the expansion of conductor current. The effect of the dielectric is incorporated in the model by using equivalent volume polarization current density and solving the equivalent problem in free space. The feed section of the antenna including the micro‐stripline is handled rigorously in the MoM model by including slotline short‐circuit and microstripline currents among the unknowns. Comparison with measurements is made to demonstrate the validity of the model for both the air case and the dielectric case. Numerical results for the effect of the dielectric permittivity are presented.

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