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Journal of Electromagnetic Waves and Applications Volume 28, 2014 - Issue 9
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Articles

Fast method for the calculation of radiation resistance of a catenary element antenna applied to the optimization of a Loran transmitter antenna and a scaled model fabrication

M. FartookzadehDepartment of Electrical and Electronics Engineering, Malek Ashtar University, P. O. Box 1774-15875, Tehran, IranCorrespondence[email protected]
,
S.H. Mohseni ArmakiDepartment of Electrical and Electronics Engineering, Malek Ashtar University, P. O. Box 1774-15875, Tehran, Iran
,
S.M.J. RazaviDepartment of Electrical and Electronics Engineering, Malek Ashtar University, P. O. Box 1774-15875, Tehran, Iran
&
J. Rashed-MohasselCenter of Excellence on Applied Electromagnetic Systems, School of ECE College of Engineering, University of Tehran, P. O. Box 14395-515, Tehran, Iran
Pages 1044-1055 | Received 21 Jan 2014, Accepted 10 Mar 2014, Published online: 04 Apr 2014
 
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Abstract

This paper introduces a new fast method for the analysis of small antennas with catenary elements such as LF transmitter antennas. While many proposed antenna structures in this area are based on the hanging wires that conforms the catenary curve, this method is valuable for these antennas. The speed of the convergence of structural equations is important for optimization of these antennas, since the process can be extremely time consuming. As an example, this method has been applied to optimization of the radiation resistance of Sectionalized Loran Transmitter antenna. Final results are validated using scaled model full-wave simulation and fabrication.

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