Modelling Yagi-Uda antennas using point source approximation
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Thiel, DV
Leckenby, M
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Eric Ash
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Abstract
A point source approximation is shown to be an efficient algorithm for calculating the near and far fields of Yagi-Uda antennas for the evaluation of the human radiation exposure zone boundaries. Results of a 12-element Yagi-Uda antenna compared to numerical electromagnetics code show that the modelled antenna field strength and front-to-back ratio were calculated to within 0.10 and 0.34 dB, respectively, while the occupational and general public exposure zone boundary distances were calculated to within 0.23 and 0.14 m, respectively.
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Electronics Letters
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40
Issue
18
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© 2004 Institution of Engineering and Technology. Reproduced in accordance with the copyright policy of the publisher. This journal is available online - use hypertext links
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Communications engineering