| 水氡非随机干扰的定量排除 |
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| 引用本文： | 刘耀炜.水氡非随机干扰的定量排除[J].地震学报,1989,11(4):411-423. |
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| 作者姓名： | 刘耀炜 |
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| 作者单位： | 国家地震局兰州地震研究所 |
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| 摘 要： | 本文根据水氡干扰成份的数学物理特性,提出了定量排除非随机干扰的最优周期谱混合回归分析方法.方法的程序如下: 1)提取干扰因子的非随机成份; 2)用水氡的最优周期谱和干扰因子的非随机成份组成混合回归方程,分离非随机信息与非随机干扰; 3)以干扰因子的非随机成份和水氡的某些周期成份(包括趋势项)构成干扰模式. 实例分析的结果表明,用该方法建立干扰模式,排除水氡非随机干扰,所排除成份的物理意义明确,附加干扰少.与回归分析方法比较,异常信息的分辨率显著提高.
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| 关 键 词： | 水氡 干扰 波谱分析 回归分析 |
QUANTITATIVE ELIMINATION OF THE NONRANDOM INTERFERENCE ON GROUNDWATER RADON DATA |
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| Abstract: | In this paper,according to the mathematico-physical characteristics of the interference components on groundwater radon data,the optimum periodic spectrum mixed regression analysis is suggested for qantitative elimination of the nonrandom interference. The programs of this method are as follows:1)Extraction of the nonrandom components of interference factors.2)Construction of the mixed regression equation on the basis of the optimum periodic spectrum of the radon data and the nonrandom components of the interference factors,separation of nonrandom information from nonrandom interference.3)Formation of the interfarenc model with the nonrandom components of the interference factors and some periodic components of the radon data (including trend components).It is shown,by analysis of several examples,that the nonrandom interference separated from radon data with this model,has a definite physical meaning and less additional interference,and therefore has a higher resolution of anomaly than the regression analysis. |
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