The perturbed traveltime equation and the adjoint-states gradient of the traveltime error

Details The perturbed traveltime equation and the adjoint-states gradient of the traveltime error The perturbed traveltime equation and the adjoint-states gradient of the traveltime error

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006geoji.167..679m&link_type=abstract

Geophysical Journal International, Volume 167, Issue 2, pp. 679-683.

Astronomy and Astrophysics

Astronomy

Ray Theory, Seismic Velocities, Traveltime Tomography

Scientific paper

Traveltime tomography based on ray tracing requires the gradient or derivative of the traveltime error with respect to the velocity model parameters. This gradient can be computed by determining the Fréchet derivatives and solving a large sparse linear system. The perturbed traveltime equation offers an alternative way. A third, formal approach is the adjoint-state method. Here it is shown that the gradient obtained by the adjoint-state method is the same as the perturbed traveltime equation.

Affiliated with

Also associated with

No associations

Rating

The perturbed traveltime equation and the adjoint-states gradient of the traveltime error does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The perturbed traveltime equation and the adjoint-states gradient of the traveltime error, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The perturbed traveltime equation and the adjoint-states gradient of the traveltime error will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1314877