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J. Electromagn. Eng. Sci > Volume 7(3); 2007 > Article
Journal of the Korean Institute of Electromagnetic and Science 2007;7(3):129-133.
DOI: https://doi.org/10.5515/JKIEES.2007.7.3.129   
The Design of a Dielectric Rod Antenna Using Genetic Algorithm Optimization for Vessel's Collision Avoidance Applications
Sung-Tek Kahng, Jeong-Ho Ju
Dept. of Information & Telecommunication. Engineering, University of Incheon
In this paper, we present the development of an antenna specialized for the maritime collision avoidance system. This antenna is configured as the dielectric rod partially embedded in the metal cavity to reduce the overall size, simultaneously assuring the mechanical sturdiness against the challenging oceanic weather conditions. More importantly, the design has been carefully done to meet the requirements on the radiation pattern(with the slope < 5 dB/deg in the elevation(E-plane), circular in the azimuth) suitable to receiving the reflected signals from the other objects on the sea. To find the optimal design parameters, the genetic algorithm has been used to meet the goals of the desired return loss and pattern. This design methodology is validated by the good agreement between the calculation and measurement.
Key words: Dielectric Rod Antenna, Antenna Optimization by G.A.


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