Table 5 Quantitative evaluation of the denoising effect of microseismic analog signals.

From: Investigation of microseismic signal denoising using an improved wavelet adaptive thresholding method

 

Median-Median

Median-Mean

Mean-Mean

Mean-Median

SNR(dB)

12.759

12.518

7.158

7.781

RMSE

0.845

0.869

1.611

1.499

Operation hours(s)

0.937

0.956

0.973

0.925

Sample Entropy

0.0073

0.0079

0.0191

0.019