Abstract
A new type of mine microseismic monitoring is introduced. The microseismic signal by these downhole sensors collecting, through the differential amplification circuit and filter processing circuit, enhance the potential to voltage A/D conversion chip required. The conversion result is read by ARM controller. The controller processes those data using wavelet denoising, and uses the Ethernet control circuit using TCP/IP protocol transmitte themto the PC. On the trap circuit, Butterworth low-pass filter circuit, wavelet threshold denoising have been simulated, the experimental results basically reached the design requirements.
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