International Journal of Antennas and Propagation

Research Article

An Antenna Array Sidelobe Level Reduction Approach through Invasive Weed Optimization

Table 4

Excitation currents and maximum SLL of the 16-element LAA obtained by different algorithms.


Algorithm	(I₁, I₂, I₃, I₄, I₅, I₆, I₇, I₈, I₉, I₁₀, I₁₁, I₁₂, I₁₃, I₁₄, I₁₅, I₁₆)	Max SLL (dB)

IWO	0.3816, 0.3518, 0.4807, 0.5730, 0.7230, 0.8449, 0.8716, 0.9607, 0.9015, 0.9152, 0.8064, 0.7165, 0.6284, 0.4646, 0.3593, 0.3754	−26.3889
CS	0.2746, 0.4124, 0.4454, 0.6572, 0.6341, 0.7431, 0.8423, 0.8115, 0.9066, 0.7848, 0.7173, 0.7259, 0.5137, 0.3320, 0.3200, 0.3043	−25.0106
FA	0.2945, 0.3581, 0.4739, 0.6472, 0.6065, 0.6275, 0.7910, 0.9785, 0.7978, 0.6976, 0.7821, 0.6515, 0.5205, 0.4430, 0.1535, 0.2805	−24.2705
BBO	0.2211, 0.1887, 0.3124, 0.2465, 0.7824, 0.6565, 0.7495, 0.8711, 0.8811, 1.0000, 0.5846, 0.8090, 0.8059, 0.5463, 0.5439, 0.3832	−21.2792
PSO	1.0000, 0.0131, 0.4806, 0.5739, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000	−17.6110
Uniform	1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000	−13.1476