›› 2003, Vol. 24 ›› Issue (1): 109-112.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Spectral ratio of horizontal to vertical component research for body wave microtremors

GUO Ming-zhu1, XIE Li-li 2,3 , YAN Wei-ming1, MA Dong-hui1   

  1. 1. China Institute of Water Resources and Hydropower Research, Beijing 100044, China; 2. Institute of Engineering Mechanics, China Seismological Bureau, Harbin 150080, China; 3. Harbin Institute of Technology, Harbin 150001, China
  • Received:2001-12-07 Online:2003-02-10 Published:2014-08-27

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Abstract: The spectral ratio method’s rationality of horizontal to vertical component (H/V method) for microtremors is discussed by an elastic layer over a half-space and probability model. The H/V expressions of body microtremors for layered media are derived. The feasibility of estimating the horizontal transfer function from H/V of microtremors is discussed. It is shown that the spectral ratio method of horizontal to vertical component can be used to estimate the site predominant frequency for body microtremors when the impedance ratio is more than 3. However the amplification factor of this method is smaller compared with site horizontal transfer function.

Key words: microtremors, spectral ratio method, site transfer function

CLC Number: 

  • P315
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
[1] CHEN Long-wei , YUAN Xiao-ming , LI Yu-run，. Preliminary analysis of influence of site characteristics variability on site transfer function for horizontal strata [J]. , 2013, 34(S2): 363-367.
[2] DONG Lian-cheng ，TAO Xia-xin ，SHI Li-jing ，LI Guang-ying . Inversion of shallow shear wave velocity profile of engineering site from recordings associated with microtremors array [J]. , 2008, 29(2): 553-556.
[3] GUO Ming-zhu , ZHOU Si-ping , XU Guo-dong , YU Rui-fang,. Research on microtremors spectral ratio of horizontal to vertical component on half elastic space [J]. , 2004, 25(7): 1068-1071.
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