... two-stage pump 双级泵 two-stage regression method 两段回归法 two-stage regulator 双级调节器 ...
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For the two components of a record, two energy equivalent spectra are calculated, and the geometric mean of the two spectra are adopted to analysis by two-stage regression method using an attenuation model. Then the attenuation law is attained.
对每一条记录，取了两个分量所计算的能量谱的几何平均值，选择了衰减模型，利用两步回归法，对这些能量等效速度谱做了统计拟合分析，得出了地震动四种能量反应谱随震级、距离等参数的衰减规律。
参考来源 - 地震动能量衰减规律的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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