Short cylindrical antennas with enhanced radiation or high directivity |
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| Authors: | Lin C Nyquist D Chen K |
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| Affiliation: | Univ. of Detroit, Detroit, MI, USA; |
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| Abstract: | The feasibility of enhancing the radiated power or improving the directivity of a short cylindrical antenna by double impedance loading is investigated. An approximate solution for the current on a doubly loaded short antenna is developed, and typical current dlstributions, impedances, and radiation patterns of antennas appropriately loaded to implement enhanced radiation or high directivity are presented. Significant improvements in radiated power or directivity can be achieved with optimum impedance loadings. Theoretical predictions are verified by the results of an experimental study. |
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