吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (4): 1024-1030.doi: 10.13229/j.cnki.jdxbgxb201404019

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Full-wave recording of MRS groundwater exploration system

LIN Ting-ting, SHI Wen-long, QI Xin, LIN Jun   

  1. College of Instrumentation and Electrical Engineering, Jilin University, Changchun 130061, China
  • Received:2013-03-26 Online:2014-07-01 Published:2014-07-01

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Abstract: Using separated Tx/Rx and two-way diodes, the full-wave recording system for Magnetic Resonance Spectroscopy (MRS) groundwater exploration can increase the amplitude of the received MRS signal, and decrease the dead time of MRS exploration from 40 ms to 18 ms. Considering the characteristics that this full-wave recording system requires high-precision synchronization, large amount of data acquisition and fast data transmission, a full-wave recording system with the core of CompactRIO is developed, which can provide a practical platform for processing algorithm such as the reference noise cancellation algorithm. Experiment results show that the developed system, which is based on the state machine and multi-threading, is reliable and has the ability of providing effective full-wave data for the MSR inversion.

Key words: technology of instrument and meter, surface MRS, full-wave detection, two-way diode, groundwater, signal to noise ratio

CLC Number: 

  • TH216
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