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Journal of Vibration Testing and System Dynamics

C. Steve Suh (editor), Pawel Olejnik (editor),

Xianguo Tuo (editor)

Pawel Olejnik (editor)

Lodz University of Technology, Poland

Email: pawel.olejnik@p.lodz.pl

C. Steve Suh (editor)

Texas A&M University, USA

Email: ssuh@tamu.edu

Xiangguo Tuo (editor)

Sichuan University of Science and Engineering, China

Email: tuoxianguo@suse.edu.cn


Three-component Parallel and Synchronous Seismic Data Acquisition Based on Time-division Sampling System

Journal of Vibration Testing and System Dynamics 1(2) (2017) 135--141 | DOI:10.5890/JVTSD.2017.06.002

Tong Shen$^{1}$,$^{2}$, Xian-Guo Tuo$^{1}$,$^{2}$, Yong Liu$^{1}$,$^{2}$, Jing Lu$^{1}$,$^{2}$

$^{1}$ School of Automation & Information and Engineering, Sichuan University of Science & Engineering, Zigong 643000, China;

$^{2}$ Fundamental Science on Nuclear Wastes and Environmental Safety Laboratory, Southwest University of Science and Technology, Mianyang 621010, China

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Abstract

To economize power dissipation and volume of the three-component parallel and synchronous seismic data acquisition system, under the inspiration of sampling rate conversion theory in the digital signal processing, a project of three-component parallel and synchronous seismic data acquisition method is proposed based on time-division sampling system, in which triple interpolation is implemented in the three sets of data acquired by time-division sampling. Then another interpolation or decimation is carried out to aim at converting sampling rate of the system into the target value. Results of the error analysis show that the accuracy of numerical calculation in this conversion process is superior to the resolution ratio of hardware system. the prominent dominant of this project is that power dissipation and volume of parallel and synchronous acquisition system applied to band-limited signal are optimized and performance of the whole system is improved.

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