研究内容主要包括地震烈度衰减关系和基岩地震动衰减关系。
And then the seismic intensity attenuation relations along major axis, minor axis and mean axis are established separately.
利用新疆历史地震考察资料，采用多元回归方法拟合新疆地区地震烈度衰减规律。
Combined with the survey data of historical earthquake in Xinjiang, the seismic intensity attenuation law has been fitted with multiple regression method.
本文利用山东省及其邻区14个地震的37条等震线拟合山东地区地震烈度衰减公式。
The formula of seismic intensity attenuation fitted by using 37 isoseismal lines of 14 earthquakes in Shandong and near area.
根据重庆及邻近地区的地震烈度资料，通过回归分析得到了重庆及邻近地区地震烈度衰减规律。
According to the seismic intensity data of Chongqing and nearby regions, we present the seismic intensity attenuation law for the regions of Chongqing and vicinity by using the regression method.
为了对比分析衰减关系的影响，编图中也采用了借助误差向后传播算法建立的地震烈度衰减关系。
For comparing and analyzing the influence of attenuation relationship, the attenuation relationship of earthquake intensity created by the error back propagation approach was adopted in mapping.
本文在考虑地震烈度评定和预测的不确定性的基础上，提出建立烈度衰减概率模型的方法。
A method is presented for use in establishing probability model of seismic intensity attenuation in regions with abundant data of isoseismal maps.
本文在考虑地震烈度评定和预测的不确定性的基础上，提出建立烈度衰减概率模型的方法。
A method is presented for use in establishing probability model of seismic intensity attenuation in regions with abundant data of isoseismal maps.
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