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《Earthquake》 2009-04
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Finite-Frequency Seismic Tomography:Methods and Progresses

YANG Feng,HUANG Jin-li(Institute of Earthquake Science,CEA,Beijing 100036,China)  
This paper introduces the finite-frequency tomography(FFT) from traveltime seismic tomography based on ray theory.It points out that the essential difference between FFT and the traveltime seismic tomography lies in the sensitivity kernel.The methods and principles of FFT are summarized,and progresses in methods and applications of FFST are reviewed in detail.The significance of FFST on the study of global mantle plume is emphasized.Finally,some existent problems in study of regional 3D velocity structure using FFT are discussed.
【Fund】: 中国地震局地震预测研究所基本科研业务专项(2007-13);; 地震行业科研专项(200708008)
【CateGory Index】: P315.31
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