Research Article
Synthesis of Uniformly Excited Concentric Ring Arrays by the Strategy of Partial Density Tapering and the Algorithm of Differential Evolution
Table 1
Synthesis results obtained by PDT-DE for the cases N = 142, 183, and 201.
| | N | PSL (dB) | D (dB) | m | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| 4.26 | 142 | −29.95 | 28.19 | | 0.5 | 1.0 | 1.5 | 2.06 | 2.68 | 3.45 | 4.26 | ― | | 6 | 12 | 18 | 21 | 29 | 26 | 29 | ― |
| 4.5 | 183 | −27.86 | 28.39 | | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.07 | 3.68 | 4.5 | | 6 | 12 | 18 | 25 | 25 | 28 | 25 | 43 |
| 5.0 | 201 | −30.34 | 29.30 | | 0.5 | 1.0 | 1.5 | 2.0 | 2.65 | 3.36 | 4.11 | 5.0 | | 6 | 12 | 18 | 25 | 33 | 35 | 31 | 40 |
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