Referenced Items are not available for this document.
A compact low-profile UWB monopole antenna is proposed to operate from 50 MHz up to 2 GHz. The developed double-ellipse inverted-hat antenna (IHA) is 15 inches in aperture, 6 inches tall, and achieves 15 dBi gain at 75 MHz (when it is /10 in aperture size) in the presence of a finite 21 inch diameter ground plane, with the corresponding frequency being 50 MHz for an infinite ground plane. Calculated and measured gain data are given with reasonable agreement. The triple-ellipse IHA is investigated to resolve impedance matching issues at higher frequencies. Gain performance against antenna height and aperture are also studied. The proposed antenna is especially suited for small unmanned aerial vehicles.
Published in:
Electronics Letters
(Volume:45
,
Issue:
3
)
Date of Publication: January 29 2009
- Page(s):
- 142 - 144
- ISSN :
- 0013-5194
- INSPEC Accession Number:
- 10540556
- Digital Object Identifier :
- 10.1049/el:20092571
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 02 February 2009
- Issue Date :
- January 29 2009
- Sponsored by :
- Institution of Engineering and Technology
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