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2018, 37(1) 218-223,308 DOI:
10.3969/j.issn.1004-5589.2018.01.019 ISSN: 1004-5589 CN: 22-1111/P |
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Potential field migration for imaging based on gravity and gravity gradient data |
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TIAN Ming-yang, WU Yan-gang, ZHANG Shuang, YAN Hong-qun, ZHANG Rui-sen |
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College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China |
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Abstract��
In order to verify the effectiveness of potential field migration for rapid imaging method and to compare the migration imaging results based on gravity and gravity gradient data, the authors used MATLAB to program the arithmetic of the potential field migration imaging for gravity and gravity gradient data, and proceed the modeling calculation. It was found that the horizontal resolution, noise immunity and the capacity of separating ambient field of migration imaging of gradient data was better than that of gravity data. Moreover, migration imaging of gradient data could determine the depth of the centers of models more precisely. The method was applied to the calculation of the depth of a lead-zinc deposit mine tunnel in Heiyugou of Huludao City, and it was proved to be effective. |
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Keywords��
gravity
gravity gradient
potential field migration
rapid imaging
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Received 2017-04-24 Revised 2017-11-08 Online: |
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DOI: 10.3969/j.issn.1004-5589.2018.01.019 |
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Fund: |
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Corresponding Authors: |
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Email: yangang_wu341@yahoo.com.cn |
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About author: |
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References�� |
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