| 磁（重力）异常局部场与区域场分离处理中的扩边方法研究 |
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| 引用本文： | 段本春,徐世浙.磁（重力）异常局部场与区域场分离处理中的扩边方法研究[J].物探化探计算技术,1997,19(4):298-304. |
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| 作者姓名： | 段本春 徐世浙 |
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| 作者单位： | 青岛海洋大学地质地球物理研究所 |
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| 摘 要： | 本文针对局部场与区域场分离处理的特点，提出了区域场扩边的思想，并给出了一种区域场扩边方法。与其它两种数据处理中常用的扩边方法进行了对比研究。模型和实测资料的处理结果表明，区域场扩边方法效果最好，对折扩边方法次之，余弦衰减至零的方法效果最差。
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| 关 键 词： | 异常分离 扩边 区域场扩边 对折扩边 余弦衰减至零扩边 |
A STUDY OF THE SCHEME OF EXTENDING EDGE IN THE PROCESSING OF SEPARATING LOCAL FIELD FROM REGIONAL FIELD FOR MAGNETIC/GRAVITY ANOMALY |
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| Duan Benchun,Xu Shizhe.A STUDY OF THE SCHEME OF EXTENDING EDGE IN THE PROCESSING OF SEPARATING LOCAL FIELD FROM REGIONAL FIELD FOR MAGNETIC/GRAVITY ANOMALY[J].Computing Techniques For Geophysical and Geochemical Exploration,1997,19(4):298-304. |
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| Authors: | Duan Benchun Xu Shizhe |
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| Abstract: | According to the feature of the processing of separating a local field from a regional field, this paper suggests the rule of extending regional field and presents a scheme of its implementation. A study of the comparison of this scheme with the other two schemes which have been widely used in data processing is done. The results of the models and the field data show that the scheme of extending regional field is excellent, the scheme of cosine decreasing to zero is the worst, and the scheme of extending symmetrically lies in the middle. |
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| Keywords: | separation of anomaly extending edge extending regional field extending symmetrically cosine decreasing to zero |
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