Table 4 Evaluation of different geoids with various regularization parameters when first-order regularization is used (Units: cm)
Regularization parameters | 10−14 | 10−13 | 10−12 | 10−11.8 | 10−11.6 | 10−11.4 | 10−11.3 | 10−11.2 | 10−11 | 10−10 | 10−9 | 10−8 | 10−7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Radial constraint | 2.4 | 2.2 | 2.1 | 1.9 | 1.8 | 1.7 | 1.6 | 1.7 | 1.7 | 1.8 | 1.9 | 2.1 | 2.3 |
Horizontal constraint | 2.4 | 2.2 | 2.1 | 1.9 | 1.8 | 1.7 | 1.6 | 1.7 | 1.7 | 1.8 | 1.9 | 2.1 | 2.3 |