Research Article

An Antenna Array Sidelobe Level Reduction Approach through Invasive Weed Optimization

Table 6

Excitation currents and maximum SLLs of the 8-element CAA obtained by different algorithms.

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

IWO0.3985, 0.6434, 0.4675, 1.0000, 0.4329, 0.6780, 0.4401, 0.9638−6.2535
CS0.8433, 0.5502, 0.3853, 0.9240, 0.2821, 0.5422, 0.4995, 0.8207−5.6903
FA0.5079, 0.8003, 0.6064, 0.6958, 0.4866, 0.2004, 0.5056, 0.9449−5.6191
BBO0.2853, 0.2541, 0.5133, 0.7834, 0.6841, 0.7279, 0.3247, 0.6775−5.5380
PSO0.9702, 1.0000, 0.4337, 1.0000, 0.7317, 0.0000, 1.0000, 1.0000−5.4304
Uniform1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000−4.1702