Phase and amplitude inversion of crosswell radar data
Geophysics
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Abstract
Phase and amplitude inversion of crosswell radar data estimates the logarithm of complex slowness for a 2.5D heterogeneous model. The inversion is formulated in the frequency domain using the vector Helmholtz equation. The objective function is minimized using a back-propagation method that is suitable for a 2.5D model and that accounts for the near-, intermediate-, and far-field regions of the antennas. The inversion is tested with crosswell radar data collected in a laboratory tank. The model anomalies are consistent with the known heterogeneity in the tank; the model’s relative dielectric permittivity, which is calculated from the real part of the estimated complex slowness, is consistent with independent laboratory measurements. The methodologies developed for this inversion can be adapted readily to inversions of seismic data (e.g., crosswell seismic and vertical seismic profiling data).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Phase and amplitude inversion of crosswell radar data |
| Series title | Geophysics |
| DOI | 10.1190/1.3554412 |
| Volume | 76 |
| Issue | 3 |
| Year Published | 2011 |
| Language | English |
| Publisher | Society of Exploration Geophysicists |
| Description | 12 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geophysics |
| Google Analytic Metrics | Metrics page |