Research Article
Optimal Pattern Synthesis of Linear Array and Broadband Design of Whip Antenna Using Grasshopper Optimization Algorithm
Table 1
The maximum SLL of linear array and the location of each element after optimization.
| Algorithms | Max SLL (dB) | Optimized element positions (units: ) |
| Conv. | −12.90 | 0.2500 | 0.7500 | 1.2500 | 1.7500 | 2.2500 | PSO [10] | −17.41 | 0.2515 | 0.5550 | 1.0650 | 1.5000 | 2.1100 | CSO [14] | −19.99 | 0.2081 | 0.6679 | 1.1347 | 1.7238 | 2.4036 | SMO [15] | −20.25 | 0.236 | 0.528 | 1.007 | 1.471 | 2.126 | GOA | −21.31 | 0.3360 | 0.4196 | 1.0126 | 1.4166 | 2.1000 |
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