International Journal of Antennas and Propagation / 2015 / Article / Tab 2 / Research Article
Pattern Nulling of Linear Antenna Arrays Using Backtracking Search Optimization Algorithm Table 2 The element amplitudes (
) for the array patterns given in Figures
2 ,
3 , and
5 –
8 and the phases (
) in degree for the array patterns given in Figures
9 –
11 .
Initial Chebyshev pattern Computed with BSA Figure 2 ( ) Figure 3 ( ) Figure 5 ( ) Figure 6 ( ) Figure 7 ( ) Figure 8 ( ) Figure 9 ( ) Figure 10 ( ) Figure 11 ( ) ±1 1.00000 1.00000 1.00000 0.84376 0.98752 1.00000 0.94847 −1.15397 −0.37393 ±2 0.97010 0.98714 0.93080 0.85439 1.00000 0.94790 3.35183 −3.36187 −3.96817 ±3 0.91243 0.94987 0.89094 0.85078 0.99002 0.93151 5.70358 −5.59187 −8.10346 ±4 0.83102 0.88163 0.83167 0.74231 0.85050 0.88528 7.59405 −5.05200 −5.63161 ±5 0.73147 0.77212 0.74139 0.60989 0.74589 0.63226 9.32972 −7.11779 −3.07266 ±6 0.62034 0.63944 0.60244 0.55080 0.60333 0.60860 10.55083 −12.00020 −12.00112 ±7 0.50461 0.48298 0.45724 0.44059 0.36134 0.49878 10.51685 −18.81668 −21.61602 ±8 0.39104 0.33060 0.31903 0.30532 0.46506 0.41636 9.93409 −24.08489 −18.97410 ±9 0.28558 0.25882 0.22003 0.17434 0.20647 0.24505 8.38402 −33.72318 −29.99998 ±10 0.32561 0.29505 0.23683 0.22392 0.15120 0.19214 3.60727 −14.86452 −30.00000