Research Article

The Iterative Inversion Method of the Gravity Interface Based on the Regular-Integral Downward Continuation Method

Table 2

The comparison of inversion results in the model with noise.

 Bulge A (km)Bulge B (km)Depression C (km)Root mean square error (km)
CoordinateDepthCoordinateDepthCoordinateDepth

Model(21, 35)1.8829(35, 25.5)1.7992(19, 14)2.0774 
Parker-Oldenburg method(21, 34.5)1.8236(35, 25.5)1.7894(19, 14)2.07340.0027
Improved method(21, 35)1.8306(35, 25.5)1.7993(19, 14)2.07230.0015