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Advances in Civil Engineering
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Advances in Civil Engineering
/
2020
/
Article
/
Tab 1
/
Research Article
Vibration Signal Analysis of Water Seal Blasting Based on Wavelet Threshold Denoising and HHT Transformation
Table 1
Standard deviation of noisy signal and different threshold after noise reduction [
18
].
Noisy signal
Sqtwolog
Rigrsure
Heursure
Minimax
0.0504
0.0138
0.0223
0.0168
0.0165