Friday 26 September 2008

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON COMMUNICATIONS
Transactions ID Number: 31-472
Full Name: Abdel Sebak
Position: Professor
Age: ON
Sex: Male
Address: ECE Department, Concordia University, Montreal
Country: CANADA
Tel: +1 514 848 2424
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E-mail address: abdo@ece.concordia.ca
Other E-mails: aahelaly@yahoo.com
Title of the Paper: Radiation Conductance and Pattern of Array Antenna on a Non-Confocal Dielectric-Coated Elliptic Cylinder
Authors as they appear in the Paper: A. Helaly and A. Sebak
Email addresses of all the authors: aahelaly@yahoo.com and abdo@ece.concordia.ca
Number of paper pages: 10
Abstract: The formulation for the radiation pattern and conductance of axial slots array antenna on a dielectric-coated elliptic cylinder is presented. The coating is assumed to be non-confocal. The analytical solution, given here, is based on the eigen function technique and the addition theorem of Mathieu functions. The excited apertures are assumed to generate a TM polarized wave. Accordingly, the obtained series solution is truncated to generate numerical results. Sample of calculated azimuthal radiation patterns and radiation conductance are presented for different antenna and coating parameters. The elliptic cylinder has one extra degree of freedom compared to a circular cylinder to control the radiation pattern and conductance. The computed results show the flexibility of the antenna to control the shape and direction of its radiation pattern by changing the frequency, the excitation, the coating thickness of the cylinder, and the constitutive parameters of the coat!
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Keywords: Words: Axial slot antennas, non-confocal coating, analytical methods
EXTENSION of the file: .pdf
Special (Invited) Session: AIC'08 paper 594-361
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