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Controlled analogue experiments on propagation of seismic electromagnetic signals
作者姓名:HUANG  Qinghua
作者单位:[1]Computational Geodynamics Laboratory, Department of Geophysics,School of Earth and Space Sciences, Peking University, Beijing 100871,China
摘    要:This study presented a method of laboratory analogue experiments based on a geographical scaling model and a waveguide model to investigate the characteristics of the propagation of seismic electromagnetic signals in the crust and the atmosphere. Some controlled experiments were done to evaluate the possible influence on the experimental results from the background electromagnetic field, geographical conditions, boundary effects, the source of electromagnetic signals (position, magnitude, and frequency), and media conductivity. The reliability and the extensibility of the above analogue experimental method were also investigated. This study indicated that such kind of analogue experimental method provided an intuitionistic way of studying the propagation of seismic electromagnetic signals, which is one of the most difficult research topics in seismo-electromagnetism.

关 键 词:地震  电磁信号  传播方式  波导模式  震源
收稿时间:2005-01-04
修稿时间:2005-01-042005-04-15

Controlled analogue experiments on propagation of seismic electromagnetic signals
HUANG Qinghua.Controlled analogue experiments on propagation of seismic electromagnetic signals[J].Chinese Science Bulletin,2005,50(17):1956-1961.
Authors:Huang Qinghua
Institution:HUANG Qinghua Computational Geodynamics Laboratory, Department of Geophysics, School of Earth and Space Sciences, Peking University, Beijing 100871, China
Abstract:This study presented a method of laboratory analogue experiments based on a geographical scaling model and a waveguide model to investigate the characteristics of the propagation of seismic electromagnetic signals in the crust and the atmosphere. Some controlled experiments were done to evaluate the possible influence on the experimental results from the background electromagnetic field, geo-graphical conditions, boundary effects, the source of elec-tromagnetic signals (position, magnitude, and frequency), and media conductivity. The reliability and the extensibility of the above analogue experimental method were also inves-tigated. This study indicated that such kind of analogue ex-perimental method provided an intuitionistic way of studying the propagation of seismic electromagnetic signals, which is one of the most difficult research topics in seismo-electro- magnetism.
Keywords:propagation of seismic electromagnetic signals  seismo-electromagnetism  waveguide model  analogue experiments  
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