Research Article
Orthogonal Design Method for Optimizing Roughly Designed Antenna
Table 1
Experimental design with three factors and three levels per factor.
| Levels | Factor | Temperature (°C) | Fertilizer (g/m2) | pH |
| Level 1 | 20 | 100 | 6 | Level 2 | 25 | 150 | 7 | Level 3 | 30 | 200 | 8 |
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