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利用遗传算法反演山东地区S波非弹性衰减及场地响应
引用本文:苗庆杰,刘希强,石玉燕,曲均浩.利用遗传算法反演山东地区S波非弹性衰减及场地响应[J].震灾防御技术,2016,11(4):800-807.
作者姓名:苗庆杰  刘希强  石玉燕  曲均浩
作者单位:山东省地震局,济南 250012,山东省地震局,济南 250012,山东省地震局,济南 250012,山东省地震局,济南 250012
基金项目:山东省自然科学基金(ZR2014DQ019)、中国地震局星火计划(XH16025Y)、山东省地震局重点基金项目(JJ1407Y)资助
摘    要:采用山东地震台网记录的地震资料,基于Atkinson方法计算得出研究区非弹性衰减Q值与频率f的关系为Q(f)=457.1f~(0.4317)。基于Moya方法得到山东台网中46个台站的场地响应,其中大部分台站效果比较理想,BSH、BZH、DOY、KEL、SHH、TZH、WEF台站存在较明显的放大效应,BZH、CHD、DOY、KEL、SHH、TCH、WEF台站的场地响应在6Hz以上出现显著的高频衰减。

关 键 词:山东地区  S波  Q值  场地响应
收稿时间:2016/10/28 0:00:00

The Inversion of S Wave Inelastic Attenuation and Site Response by Genetic Algorithms in the Shandong Region
Miao Qingjie,Liu Xiqiang,Shi Yuyan and Qu Junhao.The Inversion of S Wave Inelastic Attenuation and Site Response by Genetic Algorithms in the Shandong Region[J].Technology for Earthquake Disaster Prevention,2016,11(4):800-807.
Authors:Miao Qingjie  Liu Xiqiang  Shi Yuyan and Qu Junhao
Institution:Earthquake Administrator of Shandong Province, Jinan 250012, China,Earthquake Administrator of Shandong Province, Jinan 250012, China,Earthquake Administrator of Shandong Province, Jinan 250012, China and Earthquake Administrator of Shandong Province, Jinan 250012, China
Abstract:With the digital waveform data recorded in 46 stations of the Shandong seismic network, we calculated inelastic attenuation in the Shandong region by using Atkinson method, and obtained the relation of Q value and frequency as Q(?)=457.1?0.4317. Based on Moya method we found that most of the results the site response of 46 stationsare ideal. The site response of BSH, BZH, DOY, KEL, SHH, TZH, WEF stations show significant amplifications, while the site response of BZH, CHD, DOY, KEL, SHH, TCH, WEF stations show significant high-frequency attenuation above 6Hz.
Keywords:The Shandong region  S wave  Q value  Site response
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