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CAI Jianxian, MIAO Jie, YAO Zhenjing, LI Yanan, HAN Zhiming. .Design of acquisition system of multi-channel microseismic signal[J]. Journal of Mine Automation, 2018, 44(8): 100-104. DOI: 10.13272/j.issn.1671-251x.2018010002
Citation: CAI Jianxian, MIAO Jie, YAO Zhenjing, LI Yanan, HAN Zhiming. .Design of acquisition system of multi-channel microseismic signal[J]. Journal of Mine Automation, 2018, 44(8): 100-104. DOI: 10.13272/j.issn.1671-251x.2018010002
shu

.Design of acquisition system of multi-channel microseismic signal

  • Vibration Precision Measurement Technology and Instruments Key Laboratory， Institute of Disaster Prevention Science and Technology， Langfang 065200, China

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    Abstract
  • In view of problems of high cost and low universality existed in current acquisition systems of mine microseismic signal, an acquisition system of multi-channel microseismic signal was designed. The system adopts seismometer to collect microseismic signals, uses acquisition circuit to implement amplification for microseismic signals, analog-to-digital conversion and digital filter, and uses STM32 to real-timely send filtered signals to PC for analysis by USART. The test results show that the system can accurately collect and record 3-channel microseismic signals collected by seismometer with good stability, high reliability and low cost.
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    HAN Zhiming

    • Vibration Precision Measurement Technology and Instruments Key Laboratory， Institute of Disaster Prevention Science and Technology， Langfang 065200, China

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