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Radiation pattern of aperture coupled prolate hemispheroidal dielectric resonator antenna

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Radiation pattern of aperture coupled prolate hemispheroidal dielectric resonator antenna

Song, Yunpeng (2004) Radiation pattern of aperture coupled prolate hemispheroidal dielectric resonator antenna. Masters thesis, Concordia University.

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Abstract

A detailed analysis and study of a prolate hemispheroidal dielectric resonator antenna (DRA) excited by a rectangular slot aperture are developed. The method used is based on the dyadic Green's function technique in the spheroidal coordinates. In this work, the dyadic Green's functions pertaining to a magnetic-current source located in a dielectric spheroid is derived and expressed in a form convenient for numerical computations. The dyadic Green's functions are then employed to formulate the electromagnetic fields radiated by the DRA. The electromagnetic far field is expressed analytically in a compact form. The antenna radiation patterns and directivities are computed for different design parameters. The accuracy of the solution is attested by both comparing with HFSS simulation results and with published data for the corresponding hemispherical dielectric resonator antenna. Furthermore, efficient algorithms for calculating the prolate spheroidal wave functions are developed using the software package MATLAB. The algorithm developed here for calculating the prolate spheroidal function is compact, fast, and efficient, and compared well with other results in the literature.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Thesis (Masters)
Authors:Song, Yunpeng
Pagination:xvi, 123 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M.A. Sc.
Program:Electrical and Computer Engineering
Date:2004
Thesis Supervisor(s):Sebak, A. R
ID Code:8393
Deposited By:Concordia University Libraries
Deposited On:18 Aug 2011 14:24
Last Modified:18 Aug 2011 15:32
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