MIGRATOM : geophysical tomography using wavefront migration and fuzzy constraints

Jackson, M. J. (Michael James), 1954-; Tweeton, Daryl R.

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CDC STACKS serves as an archival repository of CDC-published products including scientific findings, journal articles, guidelines, recommendations, or other public health information authored or co-authored by CDC or funded partners. As a repository, CDC STACKS retains documents in their original published format to ensure public access to scientific information.

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MIGRATOM : geophysical tomography using wavefront migration and fuzzy constraints

1994
By Jackson, M. J. (Michael James), 1954- ; Tweeton, Daryl R.
Series: Mining Publications

[PDF-4.47 MB]

English

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Details:

Personal Author:

Jackson, M. J. (Michael James), 1954- ; Tweeton, Daryl R.

Jackson, M. J. (Michael James), 1954- ; Tweeton, Daryl R. Less -
Corporate Authors:

United States. Bureau of Mines.
Description:

"MIGRATOM is a third-generation PC-based computer program for geophysical tomograph. It was developed to enable users to address a variety of mining-related problems by mathematically reconstructing the distribution of physical properties in a rock mass, using measurements of travel time or amplitude of wave energy propagated through the rock mass. Examples of applications include litho-logic characterization, fracture detection, fluid monitoring, stress evaluation, and blast assessment. The resolution and accuracy of tomographic reconstructions generally depend very strongly on the geometry of source and receiver locations. In many practical applications, such as cross-borehole tomography, limited coverage results in nonunique reconstructions. MIGRATOM allows the user to constrain the inversion, in order to reduce the nonuniqueness problem. A new approach to application of constraints implemented in MIGRATOM is based on fuzzy logic techniques. Refraction of wave energy is modeled in MIGRATOM using an approach based on Huygens' Principle. Propagation of a continuous wavefront is modeled as a constructive interference phenomenon, which obviates the shadow-zone problem that affects conventional ray-tracing calculations." - NIOSHTIC-2

NIOSHTIC no. 10005134
Subjects:

[+]

Geophysics -- Computer Programs. Mining Geology -- Computer Programs. Tomography -- Computer Programs.
Series:

Mining Publications
Subseries:

Report of Investigations
Document Type:

Text
Genre:

Report
Pages in Document:

ii, 35 numbered pages
NIOSHTIC Number:

10005134
Resource Number:

RI-9497
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

[+]

urn:sha-512:7d4bac108a7861c96c9988e2dccf665ffd72cab65cb69ef91f557337a9b774d5f15c29590431f79037770a1a85333c397635d78b76aab965b43b51fb16569122
Download URL:

https://stacks.cdc.gov/view/cdc/10193/cdc_10193_DS1.pdf
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MIGRATOM : geophysical tomography using wavefront migration and fuzzy constraints

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