点号 | 高程异常值 | 二次曲面 | 改进二次曲面 | BP神经网络 | 组合模型 | ||||
ζ(m) | ζ(m) | V(mm) | ζ(m) | V(mm) | ζ(m) | V(mm) | ζ(m) | V(mm) | |
13 | 21.0554 | 21.0514 | 4.0 | 21.0523 | 3.1 | 21.0605 | −5.1 | 21.0553 | 0.1 |
14 | 21.0826 | 21.0817 | 0.9 | 21.0836 | −1.0 | 21.0821 | 0.5 | 21.0830 | −0.4 |
15 | 21.0273 | 21.0259 | 1.4 | 21.0266 | 0.7 | 21.0253 | 2.0 | 21.0261 | 1.2 |
16 | 21.0744 | 21.0732 | 1.2 | 21.0735 | 0.9 | 21.0761 | −1.7 | 21.0745 | −0.1 |
17 | 21.0170 | 21.0160 | 1.0 | 21.0184 | −1.4 | 21.0210 | −4.0 | 21.0194 | −2.4 |
中误差(mm) |
| 2.3186 | 1.8849 | 3.5035 | 1.3591 |