Table 1.
Number of beams vs. frequency.
| F (Hz) | Δθ(degrees) | Δμ | Mk |
|---|---|---|---|
| 6000 | 4.20° | 0.0732 | 7 |
| 8000 | 3.20° | 0.0558 | 9 |
| 10000 | 2.56° | 0.0447 | 11 |
| 12000 | 2.12° | 0.0370 | 13 |
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