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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/gi-2019-26
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-2019-26
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: research article 09 Sep 2019

Submitted as: research article | 09 Sep 2019

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Instrumentation, Methods and Data Systems (GI).

Development of a New Centralized Data Acquisition System for Seismic Exploration

Feng Guo1, Qisheng Zhang1, Qimao Zhang2, Wenhao Li1, Yueyun Luo1, Yuefeng Niu1, and Shuaiqing Qiao1 Feng Guo et al.
  • 1School of Geophysics and Information Technology, China University of Geosciences Beijing, No.29 Xueyuan Road, Haidian District, Beijing, 100083, China
  • 2Institute of Electronics, Chinese Academy of Science, No.19 North 4th Ring Road West, Haidian District,Beijing, 100190, China

Abstract. Seismic exploration equipment has developed rapidly over the past few decades. One such piece of equipment is a centralized seismograph, which plays an important role in engineering, so improving its performance is of great scientific significance. In this research, the core part of general seismic data acquisition devices is packaged to develop a centralized seismic data acquisition system (Named as CUGB-CS48DAS) that has independent operating ability and high scalability, which can be used for seismic exploration in varies engineering usage. Furthermore, by extending and modifying the acquisition circuit and corresponding software, the function of electrical method data acquisition has also been achieved. Thus, the proposed CUGB-CS48DAS makes it possible for joint exploration of seismic and electrical data in a single acquisition station, which is implicitly of great convenience in engineering prospecting. The low-power-consumption computer of the system comprises a 24-bit Σ-△ modulation A/D converter and 48 sampling channels with an optional sampling rate of 50 Hz to 64 kHz, dynamic range ≥ 120 dB, synchronization accuracy better than 200 ns. With regard to the host computer, the architecture of the control software is smart, and it can integrate the multiple functions of data acquisition, preprocessing, and self-testing; clear interfaces reduce the complexity of development and migration. Field tests was implemented to prove that the system is stable and convenient to use, and the performance could meet the demand of high-precision joint exploration.

Feng Guo et al.
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Short summary
The CUGB-CS48DAS data acquisition system was designed for seimic purpose at first. However, we tried to integrate the acquisition circuit for electrical purpose and implemented hardware improvmens as well as software updates. Moreover, technology including NB-IoT QC monitoring was also introduced. After a few field tests, the system was proved to be stable and easy to use, and has good application effect in engineering geology, mineral geology and energy geology.
The CUGB-CS48DAS data acquisition system was designed for seimic purpose at first. However, we...
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