Synthesis of Sparse Concentric Ring Arrays Based on Fitness-Associated Differential Evolution Algorithm

Figure 6

Convergence curves of f₁–f₁₀ when D = 100 (if there are two figures in one subgraph, the smaller one represents partial enlarged drawing of the bigger one for clear presentation). (a) f₁, (b) f₂, (c) f₃, (d) f₄, (e) f₅, (f) f₆, (g) f₇, (h) f₈, (i) f₉, and (j) f₁₀.

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(b)

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(e)

(f)

(g)

(h)

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(j)