| 基于优选延拓的重力异常分离方法及其应用(英文) |
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| 引用本文： | 孟小红,郭良辉,陈召曦,李淑玲,石磊.基于优选延拓的重力异常分离方法及其应用(英文)[J].应用地球物理,2009,6(3):217-225. |
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| 作者姓名： | 孟小红 郭良辉 陈召曦 李淑玲 石磊 |
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| 作者单位： | 孟小红,郭良辉(中国地质大学地质过程与矿产资源国家重点实验室,北京,100083;地下信息探测技术与仪器教育部重点实验室(中国地质大学,北京),北京,100083);陈召曦,李淑玲,石磊(地下信息探测技术与仪器教育部重点实验室(中国地质大学,北京),北京,100083) |
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| 基金项目： | supported jointly by projects of the 863 Program (Grant Nos.2006AA06Z111,2006AA06A201-3,and 20060109A1002-0201-03) |
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| 摘 要： | 本文在Pawlowski优选延拓思想的基础上,提出了在深源长波长信息和浅源短波长信息互不相关、延拓高度足够大的前提下,基于优选向上延拓算子的重力异常分离方法与步骤,通过分析理论模型重力异常分离算子的频率响应随不同延拓高度的变化规律,给出了估计最佳延拓高度的办法.利用本文方法对某铁矿区实际重力异常进行处理,有效地分离出了区域异常和局部异常,异常分离效果好.
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| 关 键 词： | 优选延拓 重力 异常分离 拓高度 |
A method for gravity anomaly separation based on preferential continuation and its application |
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| Xiaohong Meng,Lianghui Guo,Zhaoxi Chen,Shuling Li,Lei Shi.A method for gravity anomaly separation based on preferential continuation and its application[J].Applied Geophysics,2009,6(3):217-225. |
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| Authors: | Xiaohong Meng Lianghui Guo Zhaoxi Chen Shuling Li Lei Shi |
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| Institution: | Meng Xiaohong1,2,Guo Lianghui1,Chen Zhaoxi2,Li Shuling2,, Shi Lei21.State Key laboratory of Geological Processes , Mineral Resources,China University of Geosciences,Beijing 100083,China.2.Key Laboratory of Geo-detection(China University of Geosciences,Beijing),Ministry of Education,China. |
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| Abstract: | Based on the preferential continuation method proposed by Pawlowski(1995),we propose a method and procedure for gravity anomaly separation with the preferential upward continuation operator in the case that the various sources are uncorrelated with one another and the continuation height is enough large.We also present a method for estimating optimum upward-continuation height,based on analyzing the characteristics of the preferential upward continuation operators of a synthesized gravity anomaly varying wi... |
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| Keywords: | Preferential continuation gravity anomaly separation continuation height |
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