THE CHARACTERISTICS OF INFORMATION DIMENSION

被引:0
|
作者
AN, ZW [1 ]
YAO, DH [1 ]
CHEN, R [1 ]
机构
[1] STATE SEISMOL BUR,BEIJING 100036,PEOPLES R CHINA
来源
SCIENCE IN CHINA SERIES B-CHEMISTRY | 1993年 / 36卷 / 07期
关键词
ACOUSTIC EMISSION(AE); SEISMIC ACTIVITY; SCALING; INFORMATION DIMENSION; CRITICAL BEHAVIOR;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Based on the information theory and multifractals viewpoint, the information dimension D1 of acoustic emission (AE) of rock for marble, gabbro and sandstone in a laboratory condition and seismic activities before and after some large earthquakes are studied. The results show that there is a dimension reduction process before the failure of rock and before the occurrence of large earthquakes. The curves of D1 determined during the process have a wider non-scaling range. Moreover, the non-scaling range became narrow when rock was close to failure fracture and large earthquake was just to happen. This shows that the system has instable critical behavior.
引用
收藏
页码:863 / 871
页数:9
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