THE SPECTRAL ANALYSIS METHOD OF THE GEOLOGICAL TIME SERIES AND ITS APPLICATION
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摘要: 介绍了地质时间序列随机模型及研究时间序列相关关系的频谱分析方法,给出了显著周期检验的Fisher准则。研究结果表明,频谱分析能够很好地确定地质时间序列的隐含周期及相关关系,从而揭示地质时间序列的内部特征。Abstract: The random model of the geological time series and the spectral analysis method used to study its correlation are introduced,and the Fisher crieria for testing the significance periods of the time series are given.The application results shown that the unknown periods of the geological time series and their correlation could be well determined by the spectral analysis,thus the inner characteristics of the geological time series could be find out.
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Keywords:
- time series analysis /
- spectral analysis /
- cross-power density analysis /
- delay time
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