【摘要】 根据2007—2013年广西数字测震台网21个地震台的665条波形资料,运用三段几何衰减模型,采用Akinson方法多台多地震联合反演,得到广西地区非弹性衰减Q值,利用Moya方法进行台站的场地响应测算。结果表明:广西地区非弹性衰减Q值和频率f线性关系较好,Q（f）=366.3 f^0.47;其中10个台站的场地响应在1附近,且随频率变化波动小;百色、桂林、梧州地震台场地响应随着高频增加而缓慢降低;钦州地震台低频部分较为平坦,高频部分有较为明显的放大效应;河池地震台低频部分较为平坦,在频率7 Hz以上快速下降;南宁地震台仪器通带范围的能量场地响应有明显的放大效应。更多还原

【Abstract】 According to 665 waveform data of 21 seismic stations in Guangxi Digital Seismic Network from 2007 to 2013,using geometric attenuation of the third model fitting and Akinson method,the inelastic attenuation Q value had been obtained in this paper.On basis of above works,the site response had also been calculated using Moya method.The results show that;there is a good linear relationship between inelastic attenuation Q value and frequency f,that is Q（f） = 366.3 f^0.47.There are 10 of the 21 stations whose site response value were nearby 1 and had little fluctuatios accompanying with the frequency changes.The site responses of Baise,Guilin and Wuzhou seismic stations decreased slowly along with frequency increases.The site responses of Qinzhou Seismic Station has a smooth low-frequency section,but its high-frequency part is more obvious amplification.The site responses of Hechi Seismic Station also has a smooth low-frequency part,and decreasing rapidly above 7 Hz.The site response of Nanning Seismic Station is apparent magnification.更多还原