Research Article

Synthesizing Asymmetric Side Lobe Pattern with Steered Nulling in Nonuniformly Excited Linear Arrays by Controlling Edge Elements

Table 1

Patterns features for different number of array elements and .

FeaturesOriginal Dolph array patternProposed array pattern
(change with respect to original Dolph pattern)

Directivity [dB]9.844111.879414.42229.5102
(−3.34%)
11.5210
(−3.02%)
14.1047
(−2.2%)
HPBW [deg]11.15206.75203.520011.8200
(5.98%)
7.26
(7.5%)
3.8700
(9.9%)
Taper efficiency0.96220.96090.92070.8404
(−12.6%)
0.8686
(−9.6%)
0.8955
(−2.7%)
Runtime [second]1.757561.835481.876571.75756
(0.0%)
1.83548
(0.0%)
1.87657
(0.0%)
Peak SLL [dB]
(4.9 dB)

(4.3 dB)

(3.3 dB)
AUSL0.04420.05310.06830.03430.02900.0238
AUSL %(−22.4%)(−45.38%)(−65.15%)
AUMB0.2620.17960.09170.28900.19350.0981
AUMB %(10.3%)(7.74%)(6.97%)