基于优选延拓的重力异常分离方法及其应用(英文)

被引:25
作者
孟小红 [1 ,2 ]
郭良辉 [1 ,2 ]
陈召曦 [2 ]
李淑玲 [2 ]
石磊 [2 ]
机构
[1] 中国地质大学地质过程与矿产资源国家重点实验室
[2] 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)
关键词
优选延拓; 重力; 异常分离; 拓高度;
D O I
暂无
中图分类号
P631.1 [重力勘探];
学科分类号
0818 ; 081801 ; 081802 ;
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。
引用
收藏
页码:217 / 225+299 +299
页数:10
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