DocumentCode :
862263
Title :
A circular array for plane-wave synthesis
Author :
Hill, David A.
Author_Institution :
NBS, Boulder, CO, USA
Volume :
30
Issue :
1
fYear :
1988
fDate :
2/1/1988 12:00:00 AM
Firstpage :
3
Lastpage :
8
Abstract :
A circular array of electric line sources for generating a uniform plane wave in the interior region of the array is analyzed. Identical results for the synthesized element weightings are obtained using matrix inversion or a Fourier series technique. A physical optics approximation for the element weightings is also presented, but it yields a much poorer result for the synthesized field. The angle of arrival of the plane wave can be scanned by recalculating the element weightings, and the quality of the field is maintained. Frequency scanning is also possible, but the number of array elements limits the maximum frequency
Keywords :
antenna arrays; antenna radiation patterns; antenna theory; physical optics; Fourier series technique; antenna arrays; arrival angle; circular array; electric line sources; frequency scanning; matrix inversion; physical optics approximation; plane-wave synthesis; synthesized element weightings; Antenna arrays; Antenna theory; Electronic equipment testing; Fourier series; Frequency synthesizers; Horn antennas; Hyperthermia; Performance evaluation; Phased arrays; Physical optics;
fLanguage :
English
Journal_Title :
Electromagnetic Compatibility, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9375
Type :
jour
DOI :
10.1109/15.19881
Filename :
19881
Link To Document :
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