Referenced Items are not available for this document.
One relatively inexpensive setup for domestic reception of signals from two or more satellites is to use a conventional offset parabolic reflector fed by suitably placed off-axis arrays. In this paper, we show that the peak gain attainable using arrays with element-excitation amplitudes restricted to two or three values provided by a cascade of 3 dB power dividers can be as little as a few tenths of a decibel lower than that of arrays with unrestricted excitations. the optimum excitations are synthesized by a simulated annealing and downhill simplex optimization method.
Published in:
Antennas and Propagation Magazine, IEEE
(Volume:45
,
Issue:
3
)
Date of Publication: June 2003
- Page(s):
- 186 - 191
- ISSN :
- 1045-9243
- INSPEC Accession Number:
- 7785140
- Digital Object Identifier :
- 10.1109/MAP.2003.1232184
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 15 September 2003
- Issue Date :
- June 2003
- Sponsored by :
- IEEE Antennas and Propagation Society
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