Baseline Correction of Digital Strong-Motion Data-Examples from the 2008 Wenchuan, China, Earthquake

Abstract:

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This paper analyzes key noises within digital strong-motion acceleration recording that can result in baseline offset, and according to their specific position provide a baseline correction scheme for preserving the long-period ground motion. This correction method is then applied to the digital acceleration records from the 2008 Wenchuan earthquake, and also, when compared with GPS data (including some high frequency of 1Hz GPS data), it is shown that this method can well restore displacement of ground motion, including permanent displacement which is the main concern of seismologists. Furthermore, compared with other methods that aim to restore the ground displacement, it has much greater stability.

Info:

Periodical:

Advanced Materials Research (Volumes 378-379)

Edited by:

Brendan Gan, Yu Gan and Y. Yu

Pages:

247-250

DOI:

10.4028/www.scientific.net/AMR.378-379.247

Citation:

H. Li et al., "Baseline Correction of Digital Strong-Motion Data-Examples from the 2008 Wenchuan, China, Earthquake", Advanced Materials Research, Vols. 378-379, pp. 247-250, 2012

Online since:

October 2011

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Price:

$35.00

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