Inversion of multichannel geophysical data with projected kernels
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Abstract
Statistical de‐noising methods such as Principal Component Analysis modify data in a way not constrained by physics. In much the same way as frequency‐filtered data must incorporate altered frequency content into numerical interpretation, so must statistically rotated data include the rotation operator in inversion processes. We propose a method of accounting for statistical reduction of data in non‐linear inversions (such as for electromagnetic data) through an incorporation of the rotation operator into the kernels and sensitivity matrix. We show a generalized linear inversion to demonstrate the necessity of rotating the inversion kernels in this abstract and will present a nonlinear parametric example from an unexploded ordnance application.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Inversion of multichannel geophysical data with projected kernels |
| DOI | 10.1190/1.3255124 |
| Year Published | 2009 |
| Language | English |
| Publisher | Society of Exploration Geophysicists |
| Contributing office(s) | Crustal Geophysics and Geochemistry Science Center |
| Description | 5 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | SEG technical program expanded abstracts 2009 |
| First page | 1459 |
| Last page | 1463 |
| Conference Title | SEG Houston 2009 International Exposition and Annual Meeting |
| Conference Location | Houston, TX |
| Conference Date | October 25-30, 2009 |
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