Referenced Items are not available for this document.
In this letter, a technique for the miniaturization of conventional printed quadrifilar helical antennas using simple sinusoidal profiles is described and supported by experimental results. The challenge is to reduce the size of the antenna while maintaining iso-flux radiation patterns and high cross-polarization discrimination. The miniaturization design approach simulation and measurement results are given in the case of a specific design of L-band telemetry link antenna for meteorological stratospheric balloon payloads, but the achieved results can be extended to any quadrifilar helical antenna with shaped pattern. Size reduction close to 50% is reached while preserving major radiation pattern characteristics and good axial-ratio performance over a wide angular range.
Published in:
Antennas and Wireless Propagation Letters, IEEE
(Volume:10
)
Date of Publication: 2011
- Page(s):
- 635 - 638
- ISSN :
- 1536-1225
- INSPEC Accession Number:
- 12092005
- Digital Object Identifier :
- 10.1109/LAWP.2011.2159189
- Product Type:
- Journals & Magazines
- Date of Publication :
- 09 June 2011
- Date of Current Version :
- 04 July 2011
- Issue Date :
- 2011
- Sponsored by :
- IEEE Antennas and Propagation Society
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