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Control factors of antenna for miniaturization for the second iteration.
| Factor levels | Patch width (mm) | Ground width (mm) | Ground length (mm) | Feed width (mm) | Feed slot (mm) |
|---|---|---|---|---|---|
| f1 | f2 | f3 | f4 | f5 | |
| (u) | (v) | (w) | (x) | (y) | |
| 1 | 44.71 | 62.71 | 53.89 | 0.25 | 8.97 |
| 2 | 41.91 | 57.12 | 51.64 | 0.37 | 8.22 |
| 3 | 39.12 | 51.53 | 49.39 | 0.5 | 7.47 |
| 4 | 36.32 | 45.94 | 47.14 | 0.62 | 6.72 |
| 5 | 33.53 | 40.35 | 44.89 | 0.75 | 5.98 |
