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
.
| Features | Original Dolph array pattern | Proposed array pattern (change with respect to original Dolph pattern) | | | | | | |
| Directivity [dB] | 9.8441 | 11.8794 | 14.4222 | 9.5102 (−3.34%) | 11.5210 (−3.02%) | 14.1047 (−2.2%) | HPBW [deg] | 11.1520 | 6.7520 | 3.5200 | 11.8200 (5.98%) | 7.26 (7.5%) | 3.8700 (9.9%) | Taper efficiency | 0.9622 | 0.9609 | 0.9207 | 0.8404 (−12.6%) | 0.8686 (−9.6%) | 0.8955 (−2.7%) | Runtime [second] | 1.75756 | 1.83548 | 1.87657 | 1.75756 (0.0%) | 1.83548 (0.0%) | 1.87657 (0.0%) | Peak SLL [dB] | | | | (4.9 dB) | (4.3 dB) | (3.3 dB) | AUSL | 0.0442 | 0.0531 | 0.0683 | 0.0343 | 0.0290 | 0.0238 | AUSL % | — | — | — | (−22.4%) | (−45.38%) | (−65.15%) | AUMB | 0.262 | 0.1796 | 0.0917 | 0.2890 | 0.1935 | 0.0981 | AUMB % | — | — | — | (10.3%) | (7.74%) | (6.97%) |
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