Low Sidelobe Sparse Concentric Ring Arrays Optimization Using Modified GA

Table 2

Peak sidelobe level (PSLL), modified real genetic algorithm (MGA), number of elements (), run time (RT), ring radii (), and number of elements in the rings ().

Method	PSLL (dB)	RT			1	2	3	4	5	6
Opt. & [9]		57 min	142		0.76	1.36	2.09	2.99	3.78	4.70
					9	17	25	31	26	33
The best result Opt. by MGA		70 min	142		0.7467	1.3180	2.0969	2.9305	3.7852	4.7000
					9	16	26	30	27	33
The worst result Opt. by MGA		70 min	142		0.7506	1.3173	2.0726	2.9078	3.7691	4.7000
					9	17	25	30	27	33