| 改进的斜导数方法及应用 |
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| 引用本文： | 郭华,于长春,吴燕冈.改进的斜导数方法及应用[J].物探与化探,2009,33(2):212-216. |
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| 作者姓名： | 郭华 于长春 吴燕冈 |
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| 作者单位： | 1. 中国国土资源航空物探遥感中心,北京,100083
2. 吉林大学,地球探测科学与技术学院,吉林,长春,130026 |
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| 摘 要： | 系统阐述了斜导数方法在边界提取上的优势，在此基础上又提出新的概念——非绝对值斜导数的水平导数，对研究地质体的产状问题有了新的认识。针对这一新方法进行了理论模型设计，指出了斜导数方法存在的问题。运用斜导数方法对某地区重力数据进行研究，得到比较理想的结果。
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| 关 键 词： | 重磁勘探 斜导数方法 地质体的产状 |
AN IMPROVED TILT DERIVATIVE METHOD AND ITS APPLICATION |
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| GUO hua,YU Chang-chun,WU Yan-gang.AN IMPROVED TILT DERIVATIVE METHOD AND ITS APPLICATION[J].Geophysical and Geochemical Exploration,2009,33(2):212-216. |
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| Authors: | GUO hua YU Chang-chun WU Yan-gang |
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| Institution: | 1. China Aero Geophysical Survey and Remote Sensing Center for Land and Resources, Beijing 100083, China; 2. College of Geo-Exploration Science and Technology, Jilin University, Changchun 130026, China |
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| Abstract: | This paper deals with the advantages of the tilt derivative method in locating boundaries of magnetic and gravity sources and presents a new theory for explaining the inclination of the geological body, which is called non-absolute horizontal derivative of tilt derivative. Some models have been designed to prove the method, and the problems existent in the tilt derivative method are pointed out. The method was employed to explain the gravity potential data of a certain area, with good results obtained. |
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| Keywords: | gravity and magnetic prospecting tilt derivative method inclination of geological body |
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