Abstract
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.
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