Pattern Synthesis of Planar Nonuniform Circular Antenna Arrays Using a Chaotic Adaptive Invasive Weed Optimization Algorithm

Table 6

Comparisons of results obtained by CAIWO with other algorithms.

Number of elements	Algorithms	Max SLL (dB)	HPBW (°)	ADR	Directivity (dB)	Circumferences
8	CAIWO	−13.0225	17.19	1.4974	9.6365	9.1210
	IWO	−8.1667	14.9	4.6579	8.0011	8.3999
	BBO	−12.24	18.6	5.9595	9.43	9.0710
	SA	−12.00	26.60	3.2383	10.7201	5.8750
	PSO	−10.7996	32	2.7910	7.8269	4.4931
	GA	−9.811	32	3.9417	7.6245	4.4054
10	CAIWO	−14.96	16.04	1.9514	10.2658	9.2333
	IWO	−10.8961	14.9	4.8786	9.5974	9.2637
	BBO	−13.95	16.60	2.6185	10.2032	9.2318
	SA	−13	18.4	3.2179	10.8722	8.0214
	PSO	−12.307	24.34	1.9755	8.6048	5.9029
	GA	−9.811	32	2.8140	9.8037	6.0886
12	CAIWO	−16.50	13.75	2.3018	10.7494	10.5351
	IWO	−11.0042	11.46	7.6718	9.9301	12.0781
	BBO	−14.372	14.8	2.2676	10.8448	10.6453
	SA	−13.91	19.60	3.2639	10.7069	7.9523
	PSO	−13.670	21.2	2.5265	9.3667	7.1419
	GA	−11.83	20.8	4.1439	10.2209	7.7724