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本文在分析了近年来麻城、宜昌台倾斜观测资料内在质盈的基础上,利用日均差序列,计算了两台站FSQ型浮子自记水管仪观测资料的正常背景值R与辨别异常限M,得出麻城台 R_(EW)≤0″.007 R_(NS)≤0″.007M_(EW)≤0″.0170 M_(NS)≤0″.0160宜昌台 R_(EW)≤0″.0050 R_(NS)≤0″.0040M_(EW)≤0″.0130 R_(NS)≤0″.0100说明两台站具有辨别10~(?)以下异常信息的能力。 而1985-1986期间,自记水管仪各分量M_2波γ值的逐自变动量,不超过其平均值的2％,此即为该两台站的γ值正常水平。
Based on the analysis of the intrinsic quality gain of the observed data of Macheng and Yichang stations in recent years, this paper calculates the normal background value R and the identification abnormality limit M of observed data of two stations FSQ float self-recording water gauge using daily mean difference sequence (EW) ≤0 “.007 R_ (NS) ≤0” .007M_ (EW) ≤0 “.0170 M_ (NS) ≤0” .0160 Yichang station R_ (EW) ≤0 “. 0050 R_ (NS) ≤0 ”.0040M_ (EW) ≤0“ .0130 R_ (NS) ≤0 ”.0100 Description The two stations have the capability of distinguishing the following anomalies under 10 ~ (?). During 1985-1986, the per-variation of the γ value of M_2 waves in each component of the self-recorded water pipe does not exceed 2% of its average value, which is the normal value of γ for both stations.