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

Table 4

Design variables obtained with CAIWO algorithm.

Number of elements	FNBW	𝑑𝑖 in terms of wavelength	Normalized 𝐼𝑛
8	70.27	0.5600, 1.0000	0.4423, 0.3059
		1.0000, 0.5734	0.6405, 0.7325
		0.9509, 0.6363	0.2203, 0.1938
		0.5503, 0.5000	0.3925, 0.8590
10	55.85	0.5001, 1.0000	0.5823, 0.3462
		0.9253, 1.0000	0.41608, 0.7275
		0.5332, 0.5313	0.7032, 0.0737
		0.9433, 0.8756	0.3758, 0.3450
		0.5567, 0.5078	0.4751, 0.9033
12	46.26	0.6448, 1.0000	0.4958, 0.4722
		1.0000, 1.0000	0.0010, 0.4733
		0.6294, 0.5000	0.6587, 0.8100
		0.5000, 0.9564	0.4700, 0.4122
		0.5532, 0.7578	0.2060, 0.4956
		1.0000, 0.5967	0.5455, 0.9976