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基于两步SVD变换的零偏VSP资料上下行波场分离方法
SVD 零偏VSP 波场分离 同相轴排齐
2013/11/4
垂直地震剖面(Vertical Seismic Profiling,VSP)资料处理中波场分离是关键问题之一.随着属性提取技术的发展,新的属性参数(例如Q值)提取技术对波场分离的保真性要求越来越高.本文改进了传统奇异值分解(Singular Value Decomposition,SVD)法,给出了一种对波场的动力学特征具有更好的保真性,可以作为Q值提取的预处理步骤的零偏VSP资料上下行波场分离方...
SVD analysis of the magnetospheric AE index time series and comparison with low-dimensional chaotic dynamics
SVD analysis magnetospheric AE index time series low-dimensional chaotic dynamics
2009/11/12
The singular value decomposition (SVD) analysis is used at different stages in this paper in order to extract useful information concerning the underlying dynamics of the magnetospheric AE index. As a...