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面波频散测量的频时分析法
引用本文:朱良保,熊安丽.面波频散测量的频时分析法[J].地震地磁观测与研究,2007,28(1):1-13.
作者姓名:朱良保  熊安丽
作者单位:中国合肥,230026,中国科学技术大学
摘    要:总结了面波频时分析(FTAN)的主要成果,如移动窗分析法、多重滤波法、残差频散测量法、时间变量滤波法,力图阐述各方法间的联系.对滤波参数的选择,详细介绍了常相对带宽、均等显示滤波、线性时间分辨、最佳滤波等,其中线性时间分辨是本文首次提出的新方法.对频时分析中的显示技术作了必要的讨论,最后介绍了如何利用频时分析方法作相速度测量.

关 键 词:面波  频散测量  频时分析  时变滤波
文章编号:1003-3246(2007)01-0001-13
收稿时间:2006-08-30
修稿时间:2006-08-30

The frequency-time analysis method for surface wave dispersion measurement
Zhu Liangbao,Xiong Anli.The frequency-time analysis method for surface wave dispersion measurement[J].Seismological and Geomagnetic Observation and Research,2007,28(1):1-13.
Authors:Zhu Liangbao  Xiong Anli
Institution:University of Science and Technology of China, He f ei 230006, China
Abstract:This paper summarized the main results of surface wave frequency-time analysis such as moving window analysis, multiple filter technique and residual dispersion measure and tried to display the relation between these methods. For the selection of filter parameters, we have introduced the constant relative bandwidth, the display-equalized filter, optimal filtering and linear time resolution, among these the linear time resolution is a new method set up by this paper. Display technique for FTAN and how to measure phase velocities are also discussed.
Keywords:surface wave  dispersion measurement  frequency-time analysis  time variation filter
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