Modelling Yagi-Uda antennas using point source approximation | Zendy

Harald Ebersbach | Zendy; David V. Thiel | Zendy; Mark Leckenby | Zendy

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Modelling Yagi-Uda antennas using point source approximation

Author(s) -

Harald Ebersbach,

David V. Thiel,

Mark Leckenby

Publication year - 2004

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el:20045690

Subject(s) - antenna (radio) , point (geometry) , point source , boundary (topology) , near and far field , radiation pattern , physics , radiation , optics , mathematics , acoustics , computer science , mathematical analysis , geometry , telecommunications

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.Griffith Sciences, Griffith School of EngineeringFull Tex

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