Analysis of a UHF Log-periodic Antenna

Report No. ARL-TR-5856
Authors: Christopher Kenyon and Christian Fazi
Date/Pages: January 2012; 28 pages
Abstract: This investigation uses the method of moments (MoM) approach to model a 2:1 bandwidth UHF log-periodic antenna (LPA) with the emphasis on designing the best possible front-to-back (F/B) ratio, rather than maximum forward gain. The use of non-resonant parasitic elements embedded in the log periodic structure was investigated to determine its effect on broadband matching and the F/B ratio.
Distribution: Approved for public release
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Last Update / Reviewed: January 1, 2012