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An Aperiodic Array Antenna Using One Kind of Diamond Tile
B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Vol.J93-B No.9 pp.1219-1228
Publication Date: 2010/09/01
Online ISSN: 1881-0209
Print ISSN: 1344-4697
Type of Manuscript: Special Section PAPER (Special Issue on Antennas and Propagation Supporting Advanced Wireless System)
aperiodic array antennas,
Full Text(in Japanese): PDF(2.8MB)
To reduce the number of phase shifter, an array antenna is divided into subarrays, and one phase shifter is attached to each subarray. In this case, grating lobes will appear when the beam is scanned because of the periodicity of the array. Random arrangement of element antennas is effective to prevent grating lobes. This paper proposes an aperiodic array antenna using one kind of diamond tile as subarrays, which realize both a low cost and low sidelobe characteristics.