Optimization of Sparse Concentric Ring Arrays for Low Sidelobe

Table 3

Comparing the optimal result of = 201 and = 7 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	7
HGA [21]	-22.94	201		1.0	1.59	2.14	2.88	3.66	4.98	-
				12	19	26	36	45	62	-
Opt by MGA [22]	-25.45	201		0.80	1.38	1.88	2.43	3.18	3.91	4.98
				10	17	22	27	33	40	51
MGAFMA	-26.21	201		0.72	1.22	1.72	2.39	3.18	3.93	4.98
				9	15	21	28	35	41	51