| 华北地区航磁图像处理结果和地震构造解释 |
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| 引用本文： | 余钦范 马杏垣. 华北地区航磁图像处理结果和地震构造解释[J]. 地震地质, 1989, 11(4): 5-14 |
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| 作者姓名： | 余钦范 马杏垣 |
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| 作者单位： | 中国地质大学，国家地震局地质研究所 北京 |
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| 摘 要： | 本文介绍了我国华北地区航磁图像处理结果,它包括航磁数据的假彩色图、立体阴影图、卷积滤波、指数滤波及局部自适应增强(LAHE)等图像。本文在研究了这些图像所蕴含的丰富信息基础上,对其所反映的地质实体及其演化和各种构造形迹这两个相互联系的方面进行了综合分析,进而建立了华北亚板块的地震构造立体格架,并运用走滑断裂带间块体转动模型,对本区构造变形和地震活动机制作了探讨
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| 关 键 词： | 华北 航磁异常 图像处理 地震构造 块体转动 |
RESULTS OF IMAGE PROCESSING OF AEROMAGNETIC DATA IN NORTH CHINA AND THE SEISMOTECTONIC INTERPRETATION |
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| Yu Qin-fan Ma Xing-yuan. RESULTS OF IMAGE PROCESSING OF AEROMAGNETIC DATA IN NORTH CHINA AND THE SEISMOTECTONIC INTERPRETATION[J]. Seismology and Geology, 1989, 11(4): 5-14 |
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| Authors: | Yu Qin-fan Ma Xing-yuan |
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| Abstract: | The results of image processing of aeromagnetic data in North China are introduced, including pseudocolor enhancement, stereo shaded relief, convolution filtering, expon-tial filtering and local adoptive histogram equalization images. Based upon the information reflected by these images a comprehensive study of both the geological entities and their evolution and also the related tectonic lineaments has been made. Thus is established the seismotectonic framework of North China subplate. A model of block rotation in the strike-slip setting has been adopted to explore the mechanism of the tectonic deformation and seismic activity of the region. |
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| Keywords: | North China Aeromagnetic anomaly Image processing Seismotectonics Block rotation |
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