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Table 2 Quantitative evaluation of the charge–discharge-like noise processing

From: Improved shift-invariant sparse coding for noise attenuation of magnetotelluric data

 NCCESNR (dB)T (s)
Before processing0.010857.0588− 35.1264/
PSO-PD0.82540.56604.9437440.2
ISISC0.98270.184914.65971.2