Research Article

An Antenna Array Sidelobe Level Reduction Approach through Invasive Weed Optimization

Table 3

Excitation currents and maximum SLL of the 8-element LAA obtained by different algorithms.

Algorithm(I1, I2, I3, I4, I5, I6, I7, I8)Max SLL (dB)

IWO0.5891, 0.6562, 0.8840, 0.9855, 1.0000, 0.8575, 0.6712, 0.6115−19.5215
CS0.5853, 0.5491, 0.8083, 0.8071, 0.7859, 0.6131, 0.5531, 0.3801−18.9278
FA0.7033, 0.7033, 0.9412, 0.9381, 0.9565, 0.9082, 0.5943, 0.4540−18.5229
BBO0.4311, 0.4227, 0.6133, 0.6035, 0.8779, 0.6096, 0.5785, 0.4397−18.3868
PSO0.4634, 0.6319, 0.8124, 1.0000, 1.0000, 1.0000, 0.7746, 0.9151−17.7736
Uniform1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000−12.7972