International Journal of Antennas and Propagation

Research Article

An Antenna Array Sidelobe Level Reduction Approach through Invasive Weed Optimization

Table 8

Excitation currents and maximum SLL of the 32-element CAA obtained by different algorithms.


Algorithm	(I₁, I₂, I₃, I₄, I₅, I₆, I₇, I₈, I₉, I₁₀, I₁₁, I₁₂, I₁₃, I₁₄, I₁₅, I₁₆, I₁₇, I₁₈, I₁₉, I₂₀, I₂₁, I₂₂, I₂₃, I₂₄, I₂₅, I₂₆, I₂₇, I₂₈, I₂₉, I₃₀, I₃₁, I₃₂)	Max SLL (dB)

IWO	0.6962, 0.8724, 0.9469, 0.3662, 0.6728, 0.0000, 0.1661, 0.1986, 0.3027, 0.0027, 0.4057, 0.4835, 0.8900, 0.9488, 0.5514, 0.3984, 0.6691, 0.9885, 0.5369, 0.5013, 0.1124, 0.0000, 0.2475, 0.5433, 0.0866, 0.0022, 0.2773, 0.4401, 0.5761, 0.9800, 0.6543, 0.6568	−12.7489
CS	0.4882, 0.7702, 0.6405, 0.3620, 0.6630, 0.0012, 0.0000, 0.4578, 0.6467, 0.0000, 0.6134, 0.9036, 1.0000, 1.0000, 0.3819, 0.7429, 1.0000, 0.5358, 0.7066, 0.6653, 0.4260, 0.0733, 0.3589, 0.2861, 0.0822, 0.0613, 0.2267, 0.3179, 0.5606, 0.7464, 0.4997, 0.7752	−11.6105
FA	0.5033, 0.9810, 0.9763, 0.7815, 0.2773, 0.2609, 0.2942, 0.2791, 0.3200, 0.4224, 0.1447, 0.5089, 0.4782, 0.4259, 0.9683, 0.6367, 0.8785, 0.7848, 0.5544, 0.8588, 0.3806, 0.1826, 0.1038, 0.3516, 0.3241, 0.0781, 0.4653, 0.4521, 0.7865, 0.9838, 0.6276, 0.5940	−11.3841
BBO	0.9960, 0.8963, 0.7448, 0.8392, 0.6942, 0.3150, 0.0000, 0.2426, 0.0171, 0.2492, 1.0000, 0.6806, 0.6796, 0.4954, 0.4173, 0.9256, 0.9525, 0.5485, 1.0000, 0.6544, 0.8278, 0.1468, 0.6944, 0.4708, 0.0000, 0.0000, 0.2895, 0.5924, 0.9188, 0.9119, 0.6243, 1.0000	−10.8523
PSO	0.4045, 1.0000, 1.0000, 0.6247, 1.0000, 0.0000, 0.0000, 0.9881, 1.0000, 0.0000, 0.0606, 0.8151, 1.0000, 1.0000, 0.6900, 0.4287, 1.0000, 0.6354, 0.6957, 1.0000, 0.0136, 0.0000, 1.0000, 0.3149, 0.0000, 0.3271, 0.6709, 0.3145, 1.0000, 1.0000, 0.8568, 1.0000	−10.6564
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, 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	−7.5386