Coated ground plane edge diffractions and amplitude patterns of coated circular apertures

Author

Aboserwal, Nafati A. ; Balanis, Constantine A. ; Birtcher, Craig R.

Author_Institution

Sch. of Electr., Comput. & Energy Eng., Arizona State Univ., Tempe, AZ, USA

fYear

2014

fDate

6-11 July 2014

Firstpage

2226

Lastpage

2227

Abstract

In this paper, the impact of finite coated ground plane edge diffractions on the amplitude patterns in the E and H planes of circular aperture antennas is investigated. A model based upon the uniform geometrical theory of diffraction for an impedance wedge and the geometrical optics method is presented to calculate the amplitude patterns of a circular aperture antenna mounted on square and circular finite ground planes that are coated with a lossy dielectric on one face (upper face). The model is validated by comparisons of simulated results, obtained by HFSS, with experimental data.

Keywords

aperture antennas; geometrical optics; geometrical theory of diffraction; E planes; H planes; HFSS; amplitude patterns; circular aperture antennas; circular finite ground planes; coated circular apertures; finite coated ground plane edge diffractions; geometrical optics method; impedance wedge; lossy dielectric; square finite ground planes; uniform geometrical theory of diffraction; Antenna radiation patterns; Aperture antennas; Diffraction; Face; Impedance; Surface impedance;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE

Conference_Location

Memphis, TN

ISSN

1522-3965

Print_ISBN

978-1-4799-3538-3

Type

conf

DOI

10.1109/APS.2014.6905440

Filename

6905440