Referenced Items are not available for this document.
Multiple-arm spiral antennas, generally with four or more arms, can be fed in multiple modes that produce different antenna patterns. The patterns and S-parameters of the antenna, operating in different modes, can be found by combining a weighted sum of measurements made on individual arms. The frequency range of good efficiency can be determined from S-parameter measurements before the antenna patterns and gain are measured. Individual arm measurements isolate construction problems that would be masked by a feed network
Published in:
Antennas and Propagation Magazine, IEEE
(Volume:40
,
Issue:
6
)
Date of Publication: Dec 1998
- Page(s):
- 65 - 69
- ISSN :
- 1045-9243
- INSPEC Accession Number:
- 6152295
- Digital Object Identifier :
- 10.1109/74.739203
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 1998
- Sponsored by :
- IEEE Antennas and Propagation Society
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