Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Orthogonal array for L9 with four parameters and three level designs.
| No. | Frequency (π) | Amplitude (mm) | Width (mm) | Height (mm) |
|---|---|---|---|---|
| 1 | 2 | 0.5 | 0.25 | 0.25 |
| 2 | 2 | 1 | 0.5 | 0.5 |
| 3 | 2 | 2 | 1 | 1 |
| 4 | 5 | 0.5 | 0.5 | 1 |
| 5 | 5 | 1 | 1 | 0.25 |
| 6 | 5 | 2 | 0.25 | 0.5 |
| 7 | 10 | 0.5 | 1 | 0.5 |
| 8 | 10 | 1 | 0.25 | 1 |
| 9 | 10 | 2 | 0.5 | 0.25 |
