Orthogonal Design Method for Optimizing Roughly Designed Antenna

Table 2

The yield of nine representative combinations, based on the orthogonal array 𝐿₉(3³).

No.	Factor
	Temperature	Fertilizer	pH	Yield
1	1 (20°C)	1 (100 g/m^2)	1 (6)	2.75
2	1 (20°C)	2 (150 g/m^2)	2 (7)	4.52
3	1 (20°C)	3 (200 g/m^2)	3 (8)	4.65
4	2 (25°C)	1 (100 g/m^2)	2 (7)	4.60
5	2 (25°C)	2 (150 g/m^2)	3 (8)	5.58
6	2 (25°C)	3 (200 g/m^2)	1 (6)	4.10
7	3 (30°C)	1 (100 g/m^2)	3 (8)	5.32
8	3 (30°C)	2 (150 g/m^2)	1 (6)	4.10
9	3 (30°C)	3 (200 g/m^2)	2 (7)	4.37