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《GEOPHYSICAL AND GEOCHEMICAL EXPLORATION》 1999-03
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THE WAVEFIELD TRANSFORMATION STUDY OF TRANSIENT ELECTROMAGNETIC FIELD

Chen Benchi (University of Petroleum,Beijing 100083) Zhou Fengtong (Institute of Geophysical and Geochemical Exploration,MLR,Langfang 065000) Li Jinming (China University of Geoscience,Beijing 100083)  
Through wavefield transformation and transient electromagnetic field data of stratiform medium model under different conditions,the authors have raised the understanding of the physical significance of wavefield transformation of transient electromagnetic field and summed up some valuable regularities.It is pointed out that the wave field obtained from the mathematic trasformation not only satisfies wave equation in form but also exhibits “propagation” phenomenon in conductive media.In the process of “propagation”,the “reflection” and “transmission”phenomena also exist at the electric interface.These conclusions provide important theoretical grounds for reasonable utilization of the seismic processing and interpretation method.
【Fund】: 地质行业科学技术发展基金
【CateGory Index】: P631.31
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