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《Earthquake Engineering and Engineering Vibration》 2006-01
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Discussion on validation of Nakamura's technique

Lu Tao~(1),Zhou Zhenghua~(2),Zhou Yongnian~(2),Zhong Weizhao~(2)(1.Institute of Geophaysics,China Earthquake Administration,Beijing 100081,China;2.Institute of Engineering Mechanics,China Earthquake Administration,Harbin 150080,China)  
In 1989,a method called Nakamura's technique,which uses a horizontal-to-vertical Fourier spectrum ratio(H/V ratio) of microtremor to estimate the dynamic characteristics of site,was introduced by a Japanese scholar Nakamura.However,the validation of Nakamura's technique and its two basic assumptions has been discussed for many years.In this paper,based on microtremor records and earthquake records from Xiangtang Array,the statistical analysis of H/V ratio and transform function is done,and a comparison is made between these two results.Then the rationality of Nakamura's technique and its two basic assumptions are analyzed and discussed,and some suggestions are proposed in this paper.
【Fund】: 地震科学联合基金项目(105023)
【CateGory Index】: P315.9
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【Co-references】
Chinese Journal Full-text Database 10 Hits
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