Referenced Items are not available for this document.
Conventional antenna radiation efficiency measurement techniques, such as the Wheeler cap, are generally narrowband and, thus, well suited for resonant antennas. In this work, the Johnston-Geissler (J-G) method based on the Wheeler cap principle is used in a wide frequency range. First, a good agreement between measurement and simulation in an ultrawide frequency band is shown on a straight wire monopole antenna with different attenuators emulating antenna losses. Then, this technique is used to measure the radiation efficiency of several ultrawideband (UWB) antennas.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:8
)
Date of Publication: 2009
- Page(s):
- 72 - 75
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 10587074
- Digital Object Identifier :
- 10.1109/LAWP.2008.2011928
- Product Type:
- Journals & Magazines
- Date of Publication :
- 06 January 2009
- Date of Current Version :
- 14 April 2009
- Issue Date :
- 2009
- Sponsored by :
- IEEE Antennas and Propagation Society
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