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本文在调查研究彭泽台所受降雨影响的基础上,1982年7月6日在该台作了降雨模拟试验,证实了降雨量与倾斜的关系。文中以彭泽台连续三年的资料,用扣除N≤49阶(契比雪夫展开式)后的剩余均方差,作为判别台站所受雨量影响的依据,并经统计检验,证明是有效的。本文还通过雨季和非雨季所作的固体潮调和分析计算,说明降雨引起的异变会增加γ值的误差,有时会导致γ因子的变化。文中用扣除了与地震无关的那些周期项的资料进行数据标准化,在此基础上对异常进行了讨论。
Based on the investigation of the rainfall affected by Pengzentai, this paper made a rainfall simulation test on the station on July 6, 1982, confirming the relationship between rainfall and tilting. In the paper, the data of Pengzentai for three years in a row are used as the basis for judging the impact of rainfall on stations by deducting N≤49 order (Chebyshev expansion) and verified by statistics. Based on the analysis of solid tide by the rainy season and non-rainy season, this paper also shows that the rainfall induced variation will increase the error of γ value and sometimes lead to the change of γ factor. In this paper, we standardize the data by deducting the data of those cycles that have nothing to do with the earthquake and discuss the anomalies based on this.