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| THE EXTRACTION METHOD AND PROGRAM DESIGN FOR DISPERSION CURVE IN F-K DOMAIN |
| LI Jie1, CHEN Xuan-hua1, ZHANG Jiao-dong1, ZHOU Qi1, LIU Gang1, LIU Zhi-qiang1, XU Yan1, LI Bing1, YANG Jing2 |
1. Chinese Academy of Geological Sciences, Beijing 100037,China;
2. School of the Earth Sciences and Resources,China University of Geoscinences,Beijing 100083,China |
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Abstract Based on two-dimensional Fourier transform and half-wave theory, this paper has studied the seismic Rayleigh wave dispersion curve extraction in f-k domain and made this theory fit in with a program by means of Delphi7.0. It is concluded that the f-k method overcomes the shortcomings of the one-dimensional digital processing technology and makes full use of multi-channel Rayleigh wave data record.
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Received: 09 August 2010
Published: 15 October 2011
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