| 不定积分变换法对二度体磁异常的研究II--无限延深直立厚板、有限延深直立厚板 |
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| 引用本文： | 阚光明,裴建新,张维冈.不定积分变换法对二度体磁异常的研究II--无限延深直立厚板、有限延深直立厚板[J].中国海洋大学学报(自然科学版),2004,34(3):446-452. |
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| 作者姓名： | 阚光明 裴建新 张维冈 |
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| 作者单位： | 1. 中国海洋大学,海洋地球科学学院,山东,青岛,266003
2. 中国海洋大学,海洋地球科学学院,山东,青岛,266003;中国海洋大学,海底资源与探测技术省级重点实验室,山东,青岛,266003 |
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| 摘 要： | 根据无限延深直立厚板和有限延深直立厚板的磁异常公式,求出磁异常的不定积分变换结果,并根据变换结果绘制磁异常变换参量图.在取不同空间几何参数条件下,讨论各变换参量图的变化规律,寻找由深度和厚度引起变换磁异常变化最显著的方向,以及与异常变换前参量图进行特性对比和效果分析.同时讨论了目标体埋深很大时有限延深直立厚板与水平圆柱体的变换参量图的相似性.该方法可简易、快速地区分异常体形状,能突出一些为常规处理所淹没的重要地质信息,有助于实际的磁异常解释.
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| 关 键 词： | 二度体 磁异常 参量图 不定积分变换 |
| 文章编号： | 1672-1574(2004)03-446-07 |
| 修稿时间： | 2003年5月27日 |
Study on Applying Indefinite Integral Transformation to Interpretation of Two-Dimensional Magnetic Abnormality II:Infinite Extension Erect Thick Plank and Limited Erect Thick Plank |
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| KAN Guang-ming ,PEI Jian-xin ,ZHANG Wei-gang.Study on Applying Indefinite Integral Transformation to Interpretation of Two-Dimensional Magnetic Abnormality II:Infinite Extension Erect Thick Plank and Limited Erect Thick Plank[J].Periodical of Ocean University of China,2004,34(3):446-452. |
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| Authors: | KAN Guang-ming PEI Jian-xin ZHANG Wei-gang |
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| Institution: | KAN Guang-ming 1,PEI Jian-xin 1,ZHANG Wei-gang 1,2 |
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| Abstract: | From the two kinds of magnetism abnormality formulae, we deduce respective results of indefinite integral transformation, and plot a series of parameter figures for them. According to the varieties of different spatial geometrical parameters, the variation of these parameter figures is discussed. We seek the most obvious direction in which the spatial geometrieal parameter affects the abnormalities most and conclude a series of regulations toward various object modes. At the same time, we discuss the similarity between the parameter figures of a limited erect thick plank and a horizontal cylinder when the object is deeply buried. The magnetisms can be distinguished by this method easily and quickly. This method can abstract plenty of important geological information, and contribute to the explanation of magnetic exploration . |
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| Keywords: | two-dimensional magnetic abnormality parameter figure indefinite integral transformation |
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