| 竖直角度 | 差异系数 |
| 0 | 0.0727 |
| 15 | 0.0044 |
| 30 | 0.1610 |
| 45 | 0.0309 |
| 60 | 0.4006 |
| 75 | 0.4842 |
| 90 | 0.6597 |
| 105 | 0.5559 |
| 120 | 0.3226 |
| 135 | 0.0721 |
| 150 | 0.0581 |
| 165 | 0.0081 |