| 重叠回线装置下有限导电薄板瞬变电磁响应的一种简化模型 |
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| 引用本文： | 李勇.重叠回线装置下有限导电薄板瞬变电磁响应的一种简化模型[J].地球物理学进展,2008,23(3):948-956. |
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| 作者姓名： | 李勇 |
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| 作者单位： | 贺州学院,贺州,542800 |
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| 摘 要： | 在吸收前人提出的导电薄板等效电流回路模型概念的基础上,应用普通电磁学理论对其瞬变电磁法的过程作了完整的论述,并得到清晰明确的数学表达式,同时指出一次场关断时间与观测异常幅值的关系.在重叠回线装置下,模型解可进一步被简化.通过实例的具体数值计算过程,证明该简化模型为重叠回线装置下有限薄板类地质体瞬变电磁的定量分析提供了一个简捷有效的途径.
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| 关 键 词： | 薄板 重叠回线 数值积分 |
| 收稿时间： | 2008-1-10 |
| 修稿时间： | 2008-3-20 |
A simplification TEM response of rectangular thin plate on coincident-loop survey |
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| LI Yong.A simplification TEM response of rectangular thin plate on coincident-loop survey[J].Progress in Geophysics,2008,23(3):948-956. |
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| Authors: | LI Yong |
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| Institution: | (HeZhouUniversity,HeZhou542800,China) |
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| Abstract: | A single big eddy current circulating inside a thin plate conductor can be formulated as a model in transient electromagnetism method.This paper describes an induced current system mechanism in a conductor thin plate by the classical electromagnetics theory.The eddy current has been concerned with survey transmitter shuts off time.On the coincident-loop survey this model mathematical expression can be farther simplified for calculating transient electromagnetism method response with conventional numerical integral. |
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| Keywords: | thin plate coincident-loop survey numerical integral |
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