Three-element broadband narrow beam without side lobes array antenna

This study proposes the design of a three-element uniform linear array antenna using the method of ‘compressed cosines’. An approximation of an ideal array factor (AF) – Kronecker-δ with third degree optimal polynomial was performed and some Luneburg lenses were used to realise the array antenna. Th...

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Bibliographic Details
Published in:IET microwaves, antennas & propagation antennas & propagation, 2016-08, Vol.10 (11), p.1212-1217
Main Author: Apostolov, Peter
Format: Article
Language:English
Subjects:
Antenna arrays
Antennas
Approximation
approximation theory
Beams (radiation)
Broadband
compressed cosines
Constants
linear antenna arrays
Lobes
Matlab
Matlab simulation
third degree optimal polynomial
three‐element broadband narrow beam
three‐element uniform linear array antenna
two‐dimensional array antenna
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Summary:This study proposes the design of a three-element uniform linear array antenna using the method of ‘compressed cosines’. An approximation of an ideal array factor (AF) – Kronecker-δ with third degree optimal polynomial was performed and some Luneburg lenses were used to realise the array antenna. The designed array antenna has remarkable properties: broadband, narrow beam without side lobes, and with constant selectivity of the AF. A Matlab simulation was also demonstrated and a five-element, two-dimensional array antenna was designed with the proposed method.
ISSN:1751-8725
1751-8733
1751-8733
DOI:10.1049/iet-map.2016.0015