Synthesis of Uniformly Excited Concentric Ring Arrays by the Strategy of Partial Density Tapering and the Algorithm of Differential Evolution

<div>(a) Convergence of fitness value, (b) 3D pattern, and (c) u-cut.</div>

International Journal of Antennas and Propagation

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Figure 3

Figure 3: Synthesis of Uniformly Excited Concentric Ring Arrays by the Strategy of Partial Density Tapering and the Algorithm of Differential Evolution 

Figure 3 | Synthesis of Uniformly Excited Concentric Ring Arrays by the Strategy of Partial Density Tapering and the Algorithm of Differential Evolution 