Table 1.
ELC Methods.
| Method | Assumtion | External Information | Calculations | Setting |
|---|---|---|---|---|
| VB (Section 3.1) | None | Last estimated velocity vector | Velocity vector Equation (24) | None |
| NSV (Section 3.2) | Zero sway velocity | None | Two velocity components Equation (33) | None |
| PLCF (Section 3.3) | None | None | One velocity component Equation (40) | Two velocity components with infinity variance |
| VHV (Section 3.4) | None | Last estimated heave velocity | Two velocity components Equations (40) and (45) | One velocity component with infinity variance |