[1]胡进军,孙健.基于信息论方法分析我国典型地震动衰减关系[J].世界地震工程,2018,34(02):065-70.
 HU Jinjun,SUN Jian.Analysis of the typical ground-motion attenuation relationships in China based on information-theory[J].,2018,34(02):065-70.
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基于信息论方法分析我国典型地震动衰减关系
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《世界地震工程》[ISSN:/CN:]

卷:
34
期数:
2018年02期
页码:
065-70
栏目:
出版日期:
2018-10-10

文章信息/Info

Title:
Analysis of the typical ground-motion attenuation relationships in China based on information-theory
作者:
胡进军 孙健
中国地震局工程力学研究所 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080
Author(s):
HU Jinjun SUN Jian
Institute of Engineering Mechanics, China Earthquake Administration, Key Laboratory of Earthquake Engineering and Engineering Vibration of China Earthquake Administration, Harbin 150080, China
关键词:
地震动衰减关系信息论加权方法对数似然函数
Keywords:
ground motionattenuation relationshipsinformation-theoryweighted methodlog-likelihood function
分类号:
P315.9
摘要:
近年来我国强震数据逐渐增多,为了比较和分析我国的几个典型地震动衰减关系,采用一种信息论方法,基于实际地震动记录,计算选取的地震动衰减关系模型的对数似然函数值,通过对数似然函数值对模型进行排序,并给出相应的权重及排名,分析了不同衰减关系对地震动的预测能力。研究表明:针对于我国西部强震数据,基于强震动记录建立的衰减关系的预测结果更接近于实测地震动数据。研究结果可为地震动记录信息不完善或缺乏强震数据地区的地震动衰减关系选取提供参考。
Abstract:
In recent years, the data of strong ground motion in China have increased gradually. In order to compare and analysis the typical ground motion attenuation relationships in China. Based on the real strong motion records, an information-theory based method is used to calculate the log-likelihood function value of the typical attenuation models, then the models are ranked by the log-likelihood function value, and the corresponding weights and the rankings are given. Through analyzing the predictive abilities of the selected attenuation models, results show that for the strong motion data in Western China, the predicted ground motion by attenuation relationship based on strong motion are closer to the measured ground motion than those by the other methods. This research results provide reference for selecting attenuation relationships for regions lacking of strong motion records or complete related information.

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备注/Memo

备注/Memo:
收稿日期:2017-08-16;改回日期:2018-01-15。
基金项目:国家自然科学基金项目(51578516);国家重点研发计划(2017YFC1500403);黑龙江省博士后科研启动基金(LBH-Q15145)
作者简介:胡进军(1978-),男,研究员,主要从事地震动特征及设计地震动研究.E-mail:hujinjun@iem.ac.cn
更新日期/Last Update: 1900-01-01