| 互相关法在瑞雷波数据处理中的分析与应用 |
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| 引用本文： | 仇根根,方根显,钱星,郭允.互相关法在瑞雷波数据处理中的分析与应用[J].工程地球物理学报,2009,6(5):571-574. |
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| 作者姓名： | 仇根根 方根显 钱星 郭允 |
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| 作者单位： | 1. 中国地质大学,地下信息探测技术与仪器教育部重点实验室,北京,100083
2. 东华理工大学,核工程技术学院,抚州,344000 |
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| 摘 要： | 如何提取准确可靠的频散曲线是瑞雷波勘探技术关键问题之一。互相关法是众多提取方法中一种行之有效的方法。对瑞雷波数据处理中互相关法应用的基本原理与应用效果做了深入分析，通过使用滤波和相关系数阀值等措施加强数据质量约束，最终得到频散曲线。利用该方法对一个实际水闸口模型进行计算，应用效果良好。结论表明在野外条件较好的情况下，该方法可提高横向分辨率和经济效率。
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| 关 键 词： | 简谐波 相速度 群速度 频散特征 互相关法 |
Analysis and Application of Cross-correlation Method Used in Rayleigh Wave Data Processing |
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| Qiu Gengen,Fang Genxian,Qian Xing,Guo Yun.Analysis and Application of Cross-correlation Method Used in Rayleigh Wave Data Processing[J].Chinese Journal of Engineering Geophysics,2009,6(5):571-574. |
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| Authors: | Qiu Gengen Fang Genxian Qian Xing Guo Yun |
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| Affiliation: | Qiu Gengen1,Fang Genxian2,Qian Xing1,Guo Yun1(1.Key Laboratory of Ministry of Education of Underground Information Detection Technology,China University of Geosciences,Beijing 100083,China,2.School of Nuclear Engineering and Technology,East China Institute of Technology,Fuzhou 344000,China) |
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| Abstract: | How to extract the accurate and reliable frequency disperse curve is one of the key issues for Rayleigh wave exploration technology.The cross-correlation method is an effective one in many methods.The analysis and application of cross-correlation method,which is used in Rayleigh wave data processing,are described in this paper.The quality of data can be enhanced through utilizing filtering and correlation coefficient threshold.As a result,the frequency disperse curve is got.With a practical sluice experimen... |
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| Keywords: | simple harmonic phase velocity group velocity frequency-scattering character cross-correlation analysis |
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