Optimization of Sparse Concentric Ring Arrays for Low Sidelobe

Table 4

Comparing the optimal result of = 142 and = 6 with [21, 22]. Function model algorithm using MGA (FMAMGA), element number (), ring radii (), and element number in the rings ().

method	PSLL (dB)			1	2	3	4	5	6
Opt [21]	-27.82	142		0.76	1.36	2.09	2.99	3.78	4.70
				9	17	25	31	26	33
Opt by MGA [22]	-28.07	142		0.76	1.36	2.09	2.92	3.77	4.70
				9	16	26	30	27	33
FMAMGA	-28.19	142		0.84	1.37	2.10	2.95	3.78	4.70
				10	17	25	29	29	31