The existing methods of downward continuation of potential fields connot be used to continue the aeromagnetic data to the sea level because of the limited continuation depth.

Research on space covariance function s characteristic during downward continuation of airborne gravity measurement data;

Downward continuation of gravity signals based on the multiscale edge constraint;

The downward continuation of airborne gravity data based on land gravity data

Combined datum correction of tomography inversion with wavefield continuation under complex near surface condition.;

Forward simulation of wavefield continuation at shot point appropriate for fluctuate surface

Topics include design of seismic acquisition geometry based on illumination analysis, noise elimination with wavefield continuation, statics with wavefield continuation, prestack time/ depth migration techniques, construction and update of velocity model, and attribute analysis in depth-domain.