Table 5 The positioning errors in method 1 to method 7
From: A rigorous real-time acoustic positioning method for ocean bottom seismic exploration
Point name | Positioning error ΔP1 of method 1 (m) | Positioning error ΔP2 of method 2 (m) | Positioning error ΔP3 of method 3 (m) | Positioning error ΔP4 of method 4 (m) | Positioning error ΔP5 of method 5 (m) | Positioning error ΔP6 of method 6 (m) | Positioning error ΔP7 of method 7 (m) |
|---|---|---|---|---|---|---|---|
G1 | 0.118 | 0.181 | 4.300 | 0.353 | 4.435 | 4.298 | 0.359 |
G2 | 0.029 | 0.108 | 4.560 | 0.165 | 4.705 | 4.555 | 0.172 |
G3 | 0.131 | 0.224 | 4.744 | 0.102 | 4.959 | 4.777 | 0.085 |
G4 | 0.138 | 0.190 | 4.624 | 0.205 | 4.749 | 4.608 | 0.207 |
G5 | 0.007 | 0.070 | 4.696 | 0.104 | 4.758 | 4.637 | 0.108 |
G6 | 0.053 | 0.134 | 4.695 | 0.044 | 4.871 | 4.705 | 0.041 |
G7 | 0.093 | 0.194 | 4.780 | 0.225 | 4.948 | 4.782 | 0.229 |
G8 | 0.051 | 0.111 | 4.648 | 0.165 | 4.830 | 4.660 | 0.167 |
G9 | 0.115 | 0.173 | 4.360 | 0.256 | 4.523 | 4.369 | 0.261 |
G10 | 0.002 | 0.063 | 4.411 | 0.062 | 4.529 | 4.386 | 0.068 |