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Rational interpolation of qP-traveltimes for semblance-based anisotropy estimation in layered VTI media
| Content Provider | Semantic Scholar |
|---|---|
| Author | Douma, Huub Baan, Mirko Van Der |
| Copyright Year | 2008 |
| Abstract | The -p domain is the natural domain for anisotropy parameterestimationinhorizontallylayeredmedia.Theneedto transformthedatatothe-p domainortopicktraveltimesin thet-xdomainis,however,apracticaldisadvantage.Toovercomethis,wecombine-p-derivedtraveltimesandoffsetsin horizontally layered transversely isotropic media with a verticalsymmetryaxisVTIwitharationalinterpolationprocedureappliedinthet-xdomain.Thiscombinationresultsinan accurate and efficient t-x-based semblance analysis for anisotropy parameter estimation from the moveout of qPwaves in horizontally layered VTI media. The semblance analysisisappliedtothemoveouttosearchdirectlyfortheinterval values of the relevant parameters. To achieve this, the method is applied in a layer-stripping fashion. We demonstrate the method using synthetic data examples and show thatitisrobustinthepresenceofrandomnoiseandmoderate statics. |
| File Format | PDF HTM / HTML |
| DOI | 10.1190/1.2938036 |
| Volume Number | 73 |
| Alternate Webpage(s) | https://sites.ualberta.ca/~vanderba/papers/DoVa08.pdf |
| Alternate Webpage(s) | https://doi.org/10.1190/1.2938036 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
