New method of antennas array synthesis applied to generation of double-step patterns

A method of synthesizing linear antenna arrays utilizes the natural phase distribution that exists on transmission lines. The far-field pattern function obtained with equispaced elements is decomposed in terms of the feeding coefficients realizable along the feeding guide. Such functions are sufficiently general to permit synthesis of any arbitrary pattern with arbitrary phase. This theory is applied to an asymmetric pattern. The engineering techniques needed to design this pattern are described. Experimental results are in good agreement with the theory.